数据结构各种算法实现(C++模板)
目 录
1、顺序表
Seqlist.h
const
int DefaultSize=100;
template <typename Type> class SeqList{
public:
SeqList(int sz=DefaultSize)
:m_nmaxsize(sz),m_ncurrentsize(-1){
if(sz>0){
m_elements=new Type[m_nmaxsize];
}
}
~SeqList(){
delete[] m_elements;
}
int Length() const{ //get the length
return m_ncurrentsize+1;
}
int Find(Type x) const; //find the position of x
int IsElement(Type x) const; //is it in the list
int Insert(Type x,int i); //insert data
int Remove(Type x); //delete data
int IsEmpty(){
return m_ncurrentsize==-1;
}
int IsFull(){
return m_ncurrentsize==m_nmaxsize-1;
}
Type Get(int i){ //get the ith data
return i<0||i>m_ncurrentsize?(cout<<"can't find the element"<<endl,0):m_elements[i];
}
void Print();
private:
Type *m_elements;
const
int m_nmaxsize;
int m_ncurrentsize;
};
template <typename Type> int SeqList<Type>::Find(Type x) const{
for(int i=0;i<m_ncurrentsize;i++)
if(m_elements[i]==x)
return i;
cout<<"can't find the element you want to find"<<endl;
return -1;
}
template <typename Type> int SeqList<Type>::IsElement(Type x) const{
if(Find(x)==-1)
return 0;
return 1;
}
template <typename Type> int SeqList<Type>::Insert(Type x, int i){
if(i<0||i>m_ncurrentsize+1||m_ncurrentsize==m_nmaxsize-1){
cout<<"the operate is illegal"<<endl;
return 0;
}
m_ncurrentsize++;
for(int j=m_ncurrentsize;j>i;j--){
m_elements[j]=m_elements[j-1];
}
m_elements[i]=x;
return 1;
}
template <typename Type> int SeqList<Type>::Remove(Type x){
int size=m_ncurrentsize;
for(int i=0;i<m_ncurrentsize;){
if(m_elements[i]==x){
for(int j=i;j<m_ncurrentsize;j++){
m_elements[j]=m_elements[j+1];
}
m_ncurrentsize--;
continue;
}
i++;
}
if(size==m_ncurrentsize){
cout<<"can't find the element you want to remove"<<endl;
return 0;
}
return 1;
}
template <typename Type> void SeqList<Type>::Print(){
for(int i=0;i<=m_ncurrentsize;i++)
cout<<i+1<<":\t"<<m_elements[i]<<endl;
cout<<endl<<endl;
}
Test.cpp
#include
<iostream>
#include
"SeqList.h"
using
namespace std;
int main()
{
SeqList<int> test(15);
int
array[15]={2,5,8,1,9,9,7,6,4,3,2,9,7,7,9};
for(int i=0;i<15;i++){
test.Insert(array[i],0);
}
test.Insert(1,0);
cout<<(test.Find(0)?"can't be found ":"Be found ")<< 0 << endl<<endl;
test.Remove(7);
test.Print();
test.Remove(9);
test.Print();
test.Remove(0);
test.Print();
return 0;
}
单链表
ListNode.h
template<typename Type> class SingleList;
template<typename Type> class ListNode{
private:
friend
typename SingleList<Type>;
ListNode():m_pnext(NULL){}
ListNode(const Type item,ListNode<Type> *next=NULL):m_data(item),m_pnext(next){}
~ListNode(){
m_pnext=NULL;
}
public:
Type GetData();
friend ostream& operator<< <Type>(ostream& ,ListNode<Type>&);
private:
Type m_data;
ListNode *m_pnext;
};
template<typename Type> Type ListNode<Type>::GetData(){
return
this->m_data;
}
template<typename Type> ostream& operator<<(ostream& os,ListNode<Type>& out){
os<<out.m_data;
return os;
}
SingleList.h
#include
"ListNode.h"
template<typename Type> class SingleList{
public:
SingleList():head(new ListNode<Type>()){}
~SingleList(){
MakeEmpty();
delete head;
}
public:
void MakeEmpty(); //make the list empty
int Length(); //get the length
ListNode<Type> *Find(Type value,int n); //find thd nth data which is equal to value
ListNode<Type> *Find(int n); //find the nth data
bool Insert(Type item,int n=0); //insert the data in the nth position
Type Remove(int n=0); //remove the nth data
bool RemoveAll(Type item); //remove all the data which is equal to item
Type Get(int n); //get the nth data
void Print(); //print the list
private:
ListNode<Type> *head;
};
template<typename Type> void SingleList<Type>::MakeEmpty(){
ListNode<Type> *pdel;
while(head->m_pnext!=NULL){
pdel=head->m_pnext;
head->m_pnext=pdel->m_pnext;
delete pdel;
}
}
template<typename Type> int SingleList<Type>::Length(){
ListNode<Type> *pmove=head->m_pnext;
int count=0;
while(pmove!=NULL){
pmove=pmove->m_pnext;
count++;
}
return count;
}
template<typename Type> ListNode<Type>* SingleList<Type>::Find(int n){
if(n<0){
cout<<"The n is out of boundary"<<endl;
return NULL;
}
ListNode<Type> *pmove=head->m_pnext;
for(int i=0;i<n&&pmove;i++){
pmove=pmove->m_pnext;
}
if(pmove==NULL){
cout<<"The n is out of boundary"<<endl;
return NULL;
}
return pmove;
}
template<typename Type> ListNode<Type>* SingleList<Type>::Find(Type value,int n){
if(n<1){
cout<<"The n is illegal"<<endl;
return NULL;
}
ListNode<Type> *pmove=head;
int count=0;
while(count!=n&&pmove){
pmove=pmove->m_pnext;
if(pmove->m_data==value){
count++;
}
}
if(pmove==NULL){
cout<<"can't find the element"<<endl;
return NULL;
}
return pmove;
}
template<typename Type> bool SingleList<Type>::Insert(Type item, int n){
if(n<0){
cout<<"The n is illegal"<<endl;
return 0;
}
ListNode<Type> *pmove=head;
ListNode<Type> *pnode=new ListNode<Type>(item);
if(pnode==NULL){
cout<<"Application error!"<<endl;
return 0;
}
for(int i=0;i<n&&pmove;i++){
pmove=pmove->m_pnext;
}
if(pmove==NULL){
cout<<"the n is illegal"<<endl;
return 0;
}
pnode->m_pnext=pmove->m_pnext;
pmove->m_pnext=pnode;
return 1;
}
template<typename Type> bool SingleList<Type>::RemoveAll(Type item){
ListNode<Type> *pmove=head;
ListNode<Type> *pdel=head->m_pnext;
while(pdel!=NULL){
if(pdel->m_data==item){
pmove->m_pnext=pdel->m_pnext;
delete pdel;
pdel=pmove->m_pnext;
continue;
}
pmove=pmove->m_pnext;
pdel=pdel->m_pnext;
}
return 1;
}
template<typename Type> Type SingleList<Type>::Remove(int n){
if(n<0){
cout<<"can't find the element"<<endl;
exit(1);
}
ListNode<Type> *pmove=head,*pdel;
for(int i=0;i<n&&pmove->m_pnext;i++){
pmove=pmove->m_pnext;
}
if(pmove->m_pnext==NULL){
cout<<"can't find the element"<<endl;
exit(1);
}
pdel=pmove->m_pnext;
pmove->m_pnext=pdel->m_pnext;
Type temp=pdel->m_data;
delete pdel;
return temp;
}
template<typename Type> Type SingleList<Type>::Get(int n){
if(n<0){
cout<<"The n is out of boundary"<<endl;
exit(1);
}
ListNode<Type> *pmove=head->m_pnext;
for(int i=0;i<n;i++){
pmove=pmove->m_pnext;
if(NULL==pmove){
cout<<"The n is out of boundary"<<endl;
exit(1);
}
}
return pmove->m_data;
}
template<typename Type> void SingleList<Type>::Print(){
ListNode<Type> *pmove=head->m_pnext;
cout<<"head";
while(pmove){
cout<<"--->"<<pmove->m_data;
pmove=pmove->m_pnext;
}
cout<<"--->over"<<endl<<endl<<endl;
}
test.cpp
#include
<iostream>
using
namespace std;
#include
"SingleList.h"
int main()
{
SingleList<int> list;
for(int i=0;i<20;i++){
list.Insert(i*3,i);
}
for(int i=0;i<5;i++){
list.Insert(3,i*3);
}
cout<<"the Length of the list is "<<list.Length()<<endl;
list.Print();
list.Remove(5);
cout<<"the Length of the list is "<<list.Length()<<endl;
list.Print();
list.RemoveAll(3);
cout<<"the Length of the list is "<<list.Length()<<endl;
list.Print();
cout<<"The third element is "<<list.Get(3)<<endl;
cout<<*list.Find(18,1)<<endl;
list.Find(100);
list.MakeEmpty();
cout<<"the Length of the list is "<<list.Length()<<endl;
list.Print();
return 0;
}
双向链表
NodeList.h
template<typename Type> class DoublyList;
template<typename Type> class ListNode{
private:
friend
class DoublyList<Type>;
ListNode():m_pprior(NULL),m_pnext(NULL){}
ListNode(const Type item,ListNode<Type> *prior=NULL,ListNode<Type> *next=NULL)
:m_data(item),m_pprior(prior),m_pnext(next){}
~ListNode(){
m_pprior=NULL;
m_pnext=NULL;
}
public:
Type GetData();
private:
Type m_data;
ListNode *m_pprior;
ListNode *m_pnext;
};
template<typename Type> Type ListNode<Type>::GetData(){
return
this->m_data;
}
DoubleList.h
#include
"ListNode.h"
template<typename Type> class DoublyList{
public:
DoublyList():head(new ListNode<Type>()){ //the head node point to itself
head->m_pprior=head;
head->m_pnext=head;
}
~DoublyList(){
MakeEmpty();
delete head;
}
public:
void MakeEmpty(); //make the list empty
int Length(); //get the length of the list
ListNode<Type> *Find(int n=0); //find the nth data
ListNode<Type> * FindData(Type item); //find the data which is equal to item
bool Insert(Type item,int n=0); //insert item in the nth data
Type Remove(int n=0); //delete the nth data
Type Get(int n=0); //get the nth data
void Print(); //print the list
private:
ListNode<Type> *head;
};
template<typename Type> void DoublyList<Type>::MakeEmpty(){
ListNode<Type> *pmove=head->m_pnext,*pdel;
while(pmove!=head){
pdel=pmove;
pmove=pdel->m_pnext;
delete pdel;
}
head->m_pnext=head;
head->m_pprior=head;
}
template<typename Type> int DoublyList<Type>::Length(){
ListNode<Type> *pprior=head->m_pprior,*pnext=head->m_pnext;
int count=0;
while(1){
if(pprior->m_pnext==pnext){
break;
}
if(pprior==pnext&&pprior!=head){
count++;
break;
}
count+=2;
pprior=pprior->m_pprior;
pnext=pnext->m_pnext;
}
return count;
}
template<typename Type> ListNode<Type>* DoublyList<Type>::Find(int n = 0){
if(n<0){
cout<<"The n is out of boundary"<<endl;
return NULL;
}
ListNode<Type> *pmove=head->m_pnext;
for(int i=0;i<n;i++){
pmove=pmove->m_pnext;
if(pmove==head){
cout<<"The n is out of boundary"<<endl;
return NULL;
}
}
return pmove;
}
template<typename Type> bool DoublyList<Type>::Insert(Type item,int n){
if(n<0){
cout<<"The n is out of boundary"<<endl;
return 0;
}
ListNode<Type> *newnode=new ListNode<Type>(item),*pmove=head;
if(newnode==NULL){
cout<<"Application Erorr!"<<endl;
exit(1);
}
for(int i=0;i<n;i++){ //find the position for insert
pmove=pmove->m_pnext;
if(pmove==head){
cout<<"The n is out of boundary"<<endl;
return 0;
}
}
//insert the data
newnode->m_pnext=pmove->m_pnext;
newnode->m_pprior=pmove;
pmove->m_pnext=newnode;
newnode->m_pnext->m_pprior=newnode;
return 1;
}
template<typename Type> Type DoublyList<Type>::Remove(int n = 0){
if(n<0){
cout<<"The n is out of boundary"<<endl;
exit(1);
}
ListNode<Type> *pmove=head,*pdel;
for(int i=0;i<n;i++){ //find the position for delete
pmove=pmove->m_pnext;
if(pmove==head){
cout<<"The n is out of boundary"<<endl;
exit(1);
}
}
//delete the data
pdel=pmove;
pmove->m_pprior->m_pnext=pdel->m_pnext;
pmove->m_pnext->m_pprior=pdel->m_pprior;
Type temp=pdel->m_data;
delete pdel;
return temp;
}
template<typename Type> Type DoublyList<Type>::Get(int n = 0){
if(n<0){
cout<<"The n is out of boundary"<<endl;
exit(1);
}
ListNode<Type> *pmove=head;
for(int i=0;i<n;i++){
pmove=pmove->m_pnext;
if(pmove==head){
cout<<"The n is out of boundary"<<endl;
exit(1);
}
}
return pmove->m_data;
}
template<typename Type> void DoublyList<Type>::Print(){
ListNode<Type> *pmove=head->m_pnext;
cout<<"head";
while(pmove!=head){
cout<<"--->"<<pmove->m_data;
pmove=pmove->m_pnext;
}
cout<<"--->over"<<endl<<endl<<endl;
}
template<typename Type> ListNode<Type>* DoublyList<Type>::FindData(Type item){
ListNode<Type> *pprior=head->m_pprior,*pnext=head->m_pnext;
while(pprior->m_pnext!=pnext && pprior!=pnext){ //find the data in the two direction
if(pprior->m_data==item){
return pprior;
}
if(pnext->m_data==item){
return pnext;
}
pprior=pprior->m_pprior;
pnext=pnext->m_pnext;
}
cout<<"can't find the element"<<endl;
return NULL;
}
Test.cpp
#include
<iostream>
#include
"DoublyList.h"
using
namespace std;
int main()
{
DoublyList<int> list;
for(int i=0;i<20;i++){
list.Insert(i*3,i);
}
cout<<"the Length of the list is "<<list.Length()<<endl;
list.Print();
for(int i=0;i<5;i++){
list.Insert(3,i*3);
}
cout<<"the Length of the list is "<<list.Length()<<endl;
list.Print();
list.Remove(5);
cout<<"the Length of the list is "<<list.Length()<<endl;
list.Print();
cout<<list.FindData(54)->GetData()<<endl;
cout<<"The third element is "<<list.Get(3)<<endl;
list.MakeEmpty();
cout<<"the Length of the list is "<<list.Length()<<endl;
list.Print();
return 0;
}
循环链表
ListNode.h
template<typename Type> class CircularList;
template<typename Type> class ListNode{
private:
friend
class CircularList<Type>;
ListNode():m_pnext(NULL){}
ListNode(const Type item,ListNode<Type> *next=NULL):m_data(item),m_pnext(next){}
~ListNode(){
m_pnext=NULL;
}
private:
Type m_data;
ListNode *m_pnext;
};
CircularList.h
#include
"ListNode.h"
template<typename Type> class CircularList{
public:
CircularList():head(new ListNode<Type>()){
head->m_pnext=head;
}
~CircularList(){
MakeEmpty();
delete head;
}
public:
void MakeEmpty(); //clear the list
int Length(); //get the length
ListNode<Type> *Find(Type value,int n); //find the nth data which is equal to value
ListNode<Type> *Find(int n); //find the nth data
bool Insert(Type item,int n=0); //insert the data into the nth data of the list
Type Remove(int n=0); //delete the nth data
bool RemoveAll(Type item); //delete all the datas which are equal to value
Type Get(int n); //get the nth data
void Print(); //print the list
private:
ListNode<Type> *head;
};
template<typename Type> void CircularList<Type>::MakeEmpty(){
ListNode<Type> *pdel,*pmove=head;
while(pmove->m_pnext!=head){
pdel=pmove->m_pnext;
pmove->m_pnext=pdel->m_pnext;
delete pdel;
}
}
template<typename Type> int CircularList<Type>::Length(){
ListNode<Type> *pmove=head;
int count=0;
while(pmove->m_pnext!=head){
pmove=pmove->m_pnext;
count++;
}
return count;
}
template<typename Type> ListNode<Type>* CircularList<Type>::Find(int n){
if(n<0){
cout<<"The n is out of boundary"<<endl;
return NULL;
}
ListNode<Type> *pmove=head->m_pnext;
for(int i=0;i<n&&pmove!=head;i++){
pmove=pmove->m_pnext;
}
if(pmove==head){
cout<<"The n is out of boundary"<<endl;
return NULL;
}
return pmove;
}
template<typename Type> ListNode<Type>* CircularList<Type>::Find(Type value,int n){
if(n<1){
cout<<"The n is illegal"<<endl;
return NULL;
}
ListNode<Type> *pmove=head;
int count=0;
while(count!=n){
pmove=pmove->m_pnext;
if(pmove->m_data==value){
count++;
}
if(pmove==head){
cout<<"can't find the element"<<endl;
return NULL;
}
}
return pmove;
}
template<typename Type> bool CircularList<Type>::Insert(Type item, int n){
if(n<0){
cout<<"The n is out of boundary"<<endl;
return 0;
}
ListNode<Type> *pmove=head;
ListNode<Type> *pnode=new ListNode<Type>(item);
if(pnode==NULL){
cout<<"Application error!"<<endl;
exit(1);
}
for(int i=0;i<n;i++){
pmove=pmove->m_pnext;
if(pmove==head){
cout<<"The n is out of boundary"<<endl;
return 0;
}
}
pnode->m_pnext=pmove->m_pnext;
pmove->m_pnext=pnode;
return 1;
}
template<typename Type> bool CircularList<Type>::RemoveAll(Type item){
ListNode<Type> *pmove=head;
ListNode<Type> *pdel=head->m_pnext;
while(pdel!=head){
if(pdel->m_data==item){
pmove->m_pnext=pdel->m_pnext;
delete pdel;
pdel=pmove->m_pnext;
continue;
}
pmove=pmove->m_pnext;
pdel=pdel->m_pnext;
}
return 1;
}
template<typename Type> Type CircularList<Type>::Remove(int n){
if(n<0){
cout<<"can't find the element"<<endl;
exit(1);
}
ListNode<Type> *pmove=head,*pdel;
for(int i=0;i<n&&pmove->m_pnext!=head;i++){
pmove=pmove->m_pnext;
}
if(pmove->m_pnext==head){
cout<<"can't find the element"<<endl;
exit(1);
}
pdel=pmove->m_pnext;
pmove->m_pnext=pdel->m_pnext;
Type temp=pdel->m_data;
delete pdel;
return temp;
}
template<typename Type> Type CircularList<Type>::Get(int n){
if(n<0){
cout<<"The n is out of boundary"<<endl;
exit(1);
}
ListNode<Type> *pmove=head->m_pnext;
for(int i=0;i<n;i++){
pmove=pmove->m_pnext;
if(pmove==head){
cout<<"The n is out of boundary"<<endl;
exit(1);
}
}
return pmove->m_data;
}
template<typename Type> void CircularList<Type>::Print(){
ListNode<Type> *pmove=head->m_pnext;
cout<<"head";
while(pmove!=head){
cout<<"--->"<<pmove->m_data;
pmove=pmove->m_pnext;
}
cout<<"--->over"<<endl<<endl<<endl;
}
Test.cpp
#include
<iostream>
#include
"CircularList.h"
using
namespace std;
int main()
{
CircularList<int> list;
for(int i=0;i<20;i++){
list.Insert(i*3,i);
}
cout<<"the Length of the list is "<<list.Length()<<endl;
list.Print();
for(int i=0;i<5;i++){
list.Insert(3,i*3);
}
cout<<"the Length of the list is "<<list.Length()<<endl;
list.Print();
list.Remove(5);
cout<<"the Length of the list is "<<list.Length()<<endl;
list.Print();
list.RemoveAll(3);
cout<<"the Length of the list is "<<list.Length()<<endl;
list.Print();
cout<<"The third element is "<<list.Get(3)<<endl;
list.MakeEmpty();
cout<<"the Length of the list is "<<list.Length()<<endl;
list.Print();
return 0;
}
顺序栈
SeqStack.h
template<typename Type> class SeqStack{
public:
SeqStack(int sz):m_ntop(-1),m_nMaxSize(sz){
m_pelements=new Type[sz];
if(m_pelements==NULL){
cout<<"Application Error!"<<endl;
exit(1);
}
}
~SeqStack(){
delete[] m_pelements;
}
public:
void Push(const Type item); //push data
Type Pop(); //pop data
Type GetTop() const; //get data
void Print(); //print the stack
void MakeEmpty(){ //make the stack empty
m_ntop=-1;
}
bool IsEmpty() const{
return m_ntop==-1;
}
bool IsFull() const{
return m_ntop==m_nMaxSize-1;
}
private:
int m_ntop;
Type *m_pelements;
int m_nMaxSize;
};
template<typename Type> void SeqStack<Type>::Push(const Type item){
if(IsFull()){
cout<<"The stack is full!"<<endl;
return;
}
m_pelements[++m_ntop]=item;
}
template<typename Type> Type SeqStack<Type>::Pop(){
if(IsEmpty()){
cout<<"There is no element!"<<endl;
exit(1);
}
return m_pelements[m_ntop--];
}
template<typename Type> Type SeqStack<Type>::GetTop() const{
if(IsEmpty()){
cout<<"There is no element!"<<endl;
exit(1);
}
return m_pelements[m_ntop];
}
template<typename Type> void SeqStack<Type>::Print(){
cout<<"bottom";
for(int i=0;i<=m_ntop;i++){
cout<<"--->"<<m_pelements[i];
}
cout<<"--->top"<<endl<<endl<<endl;
}
Test.cpp
#include<iostream>
using
namespace std;
#include
"SeqStack.h"
int main(){
SeqStack<int> stack(10);
int init[10]={1,2,6,9,0,3,8,7,5,4};
for(int i=0;i<10;i++){
stack.Push(init[i]);
}
stack.Print();
stack.Push(88);
cout<<stack.Pop()<<endl;
stack.Print();
stack.MakeEmpty();
stack.Print();
stack.Pop();
return 0;
}
链式栈
StackNode.h
template<typename Type> class LinkStack;
template<typename Type> class StackNode{
private:
friend
class LinkStack<Type>;
StackNode(Type dt,StackNode<Type> *next=NULL):m_data(dt),m_pnext(next){}
private:
Type m_data;
StackNode<Type> *m_pnext;
};
LinkStack.h
#include
"StackNode.h"
template<typename Type> class LinkStack{
public:
LinkStack():m_ptop(NULL){}
~LinkStack(){
MakeEmpty();
}
public:
void MakeEmpty(); //make the stack empty
void Push(const Type item); //push the data
Type Pop(); //pop the data
Type GetTop() const; //get the data
void Print(); //print the stack
bool IsEmpty() const{
return m_ptop==NULL;
}
private:
StackNode<Type> *m_ptop;
};
template<typename Type> void LinkStack<Type>::MakeEmpty(){
StackNode<Type> *pmove;
while(m_ptop!=NULL){
pmove=m_ptop;
m_ptop=m_ptop->m_pnext;
delete pmove;
}
}
template<typename Type> void LinkStack<Type>::Push(const Type item){
m_ptop=new StackNode<Type>(item,m_ptop);
}
template<typename Type> Type LinkStack<Type>::GetTop() const{
if(IsEmpty()){
cout<<"There is no elements!"<<endl;
exit(1);
}
return m_ptop->m_data;
}
template<typename Type> Type LinkStack<Type>::Pop(){
if(IsEmpty()){
cout<<"There is no elements!"<<endl;
exit(1);
}
StackNode<Type> *pdel=m_ptop;
m_ptop=m_ptop->m_pnext;
Type temp=pdel->m_data;
delete pdel;
return temp;
}
template<typename Type> void LinkStack<Type>::Print(){
StackNode<Type> *pmove=m_ptop;
cout<<"buttom";
while(pmove!=NULL){
cout<<"--->"<<pmove->m_data;
pmove=pmove->m_pnext;
}
cout<<"--->top"<<endl<<endl<<endl;
}
Test.cpp
#include
<iostream>
using
namespace std;
#include
"LinkStack.h"
int main(){
LinkStack<int> stack;
int init[10]={1,3,5,7,4,2,8,0,6,9};
for(int i=0;i<10;i++){
stack.Push(init[i]);
}
stack.Print();
cout<<stack.Pop()<<endl;
stack.Print();
cout<<stack.GetTop()<<endl;
stack.Print();
cout<<stack.Pop()<<endl;
stack.Print();
stack.MakeEmpty();
stack.Print();
stack.Pop();
return 0;
}
7.顺序队列
SeqQueue.h
template<typename Type> class SeqQueue{
public:
SeqQueue(int sz):m_nrear(0),m_nfront(0),m_ncount(0),m_nMaxSize(sz){
m_pelements=new Type[sz];
if(m_pelements==NULL){
cout<<"Application Error!"<<endl;
exit(1);
}
}
~SeqQueue(){
delete[] m_pelements;
}
void MakeEmpty(); //make the queue empty
bool IsEmpty();
bool IsFull();
bool Append(const Type item); //insert data
Type Delete(); //delete data
Type Get(); //get data
void Print(); //print the queue
private:
int m_nrear;
int m_nfront;
int m_ncount;
int m_nMaxSize;
Type *m_pelements;
};
template<typename Type> void SeqQueue<Type>::MakeEmpty(){
this->m_ncount=0;
this->m_nfront=0;
this->m_nrear=0;
}
template<typename Type> bool SeqQueue<Type>::IsEmpty(){
return m_ncount==0;
}
template<typename Type> bool SeqQueue<Type>::IsFull(){
return m_ncount==m_nMaxSize;
}
template<typename Type> bool SeqQueue<Type>::Append(const Type item){
if(IsFull()){
cout<<"The queue is full!"<<endl;
return 0;
}
m_pelements[m_nrear]=item;
m_nrear=(m_nrear+1)%m_nMaxSize;
m_ncount++;
return 1;
}
template<typename Type> Type SeqQueue<Type>::Delete(){
if(IsEmpty()){
cout<<"There is no element!"<<endl;
exit(1);
}
Type temp=m_pelements[m_nfront];
m_nfront=(m_nfront+1)%m_nMaxSize;
m_ncount--;
return temp;
}
template<typename Type> Type SeqQueue<Type>::Get(){
if(IsEmpty()){
cout<<"There is no element!"<<endl;
exit(1);
}
return m_pelements[m_nfront];
}
template<typename Type> void SeqQueue<Type>::Print(){
cout<<"front";
for(int i=0;i<m_ncount;i++){
cout<<"--->"<<m_pelements[(m_nfront+i+m_nMaxSize)%m_nMaxSize];
}
cout<<"--->rear"<<endl<<endl<<endl;
}
Test.cpp
#include
<iostream>
using
namespace std;
#include
"SeqQueue.h"
int main(){
SeqQueue<int> queue(10);
int init[10]={1,6,9,0,2,5,8,3,7,4};
for(int i=0;i<5;i++){
queue.Append(init[i]);
}
queue.Print();
cout<<queue.Delete()<<endl;
queue.Print();
for(int i=5;i<10;i++){
queue.Append(init[i]);
}
queue.Print();
cout<<queue.Get()<<endl;
queue.MakeEmpty();
queue.Print();
queue.Append(1);
queue.Print();
return 0;
}
8、链式队列
QueueNode.h
template<typename Type> class LinkQueue;
template<typename Type> class QueueNode{
private:
friend
class LinkQueue<Type>;
QueueNode(const Type item,QueueNode<Type> *next=NULL)
:m_data(item),m_pnext(next){}
private:
Type m_data;
QueueNode<Type> *m_pnext;
};
LinkQueue.h
#include
"QueueNode.h"
template<typename Type> class LinkQueue{
public:
LinkQueue():m_prear(NULL),m_pfront(NULL){}
~LinkQueue(){
MakeEmpty();
}
void Append(const Type item); //insert data
Type Delete(); //delete data
Type GetFront(); //get data
void MakeEmpty(); //make the queue empty
void Print(); //print the queue
bool IsEmpty() const{
return m_pfront==NULL;
}
private:
QueueNode<Type> *m_prear,*m_pfront;
};
template<typename Type> void LinkQueue<Type>::MakeEmpty(){
QueueNode<Type> *pdel;
while(m_pfront){
pdel=m_pfront;
m_pfront=m_pfront->m_pnext;
delete pdel;
}
}
template<typename Type> void LinkQueue<Type>::Append(const Type item){
if(m_pfront==NULL){
m_pfront=m_prear=new QueueNode<Type>(item);
}
else{
m_prear=m_prear->m_pnext=new QueueNode<Type>(item);
}
}
template<typename Type> Type LinkQueue<Type>::Delete(){
if(IsEmpty()){
cout<<"There is no element!"<<endl;
exit(1);
}
QueueNode<Type> *pdel=m_pfront;
Type temp=m_pfront->m_data;
m_pfront=m_pfront->m_pnext;
delete pdel;
return temp;
}
template<typename Type> Type LinkQueue<Type>::GetFront(){
if(IsEmpty()){
cout<<"There is no element!"<<endl;
exit(1);
}
return m_pfront->m_data;
}
template<typename Type> void LinkQueue<Type>::Print(){
QueueNode<Type> *pmove=m_pfront;
cout<<"front";
while(pmove){
cout<<"--->"<<pmove->m_data;
pmove=pmove->m_pnext;
}
cout<<"--->rear"<<endl<<endl<<endl;
}
Test.cpp
#include
<iostream>
using
namespace std;
#include
"LinkQueue.h"
int main(){
LinkQueue<int> queue;
int init[10]={1,3,6,8,9,2,0,5,4,7};
for(int i=0;i<10;i++){
queue.Append(init[i]);
}
queue.Print();
queue.Delete();
queue.Print();
cout<<queue.GetFront()<<endl;
queue.Print();
queue.MakeEmpty();
queue.Print();
queue.Delete();
return 0;
}
9、优先级队列
QueueNode.h
template<typename Type,typename Cmp> class PriorityQueue;
template<typename Type,typename Cmp> class QueueNode{
private:
friend
class PriorityQueue<Type,Cmp>;
QueueNode(const Type item,QueueNode<Type,Cmp> *next=NULL)
:m_data(item),m_pnext(next){}
private:
Type m_data;
QueueNode<Type,Cmp> *m_pnext;
};
Compare.h
template<typename Type> class Compare{ //处理一般比较大小
public:
static
bool lt(Type item1,Type item2);
};
template<typename Type> bool Compare<Type>::lt(Type item1, Type item2){
return item1<item2;
}
struct SpecialData{
friend ostream& operator<<(ostream& ,SpecialData &);
int m_ntenor;
int m_npir;
};
ostream& operator<<(ostream& os,SpecialData &out){
os<<out.m_ntenor<<" "<<out.m_npir;
return os;
}
class SpecialCmp{ //处理特殊比较大小,用户可添加适当的类
public:
static
bool lt(SpecialData item1,SpecialData item2);
};
bool SpecialCmp::lt(SpecialData item1, SpecialData item2){
return item1.m_npir<item2.m_npir;
}
PriorityQueue.h
#include
"QueueNode.h"
#include
"Compare.h"
template<typename Type,typename Cmp> class PriorityQueue{ //Cmp is Designed for compare
public:
PriorityQueue():m_prear(NULL),m_pfront(NULL){}
~PriorityQueue(){
MakeEmpty();
}
void MakeEmpty(); //make the queue empty
void Append(const Type item); //insert data
Type Delete(); //delete data
Type GetFront(); //get data
void Print(); //print the queue
bool IsEmpty() const{
return m_pfront==NULL;
}
private:
QueueNode<Type,Cmp> *m_prear,*m_pfront;
};
template<typename Type,typename Cmp> void PriorityQueue<Type,Cmp>::MakeEmpty(){
QueueNode<Type,Cmp> *pdel;
while(m_pfront){
pdel=m_pfront;
m_pfront=m_pfront->m_pnext;
delete pdel;
}
}
template<typename Type,typename Cmp> void PriorityQueue<Type,Cmp>::Append(const Type item){
if(m_pfront==NULL){
m_pfront=m_prear=new QueueNode<Type,Cmp>(item);
}
else{
m_prear=m_prear->m_pnext=new QueueNode<Type,Cmp>(item);
}
}
template<typename Type,typename Cmp> Type PriorityQueue<Type,Cmp>::Delete(){
if(IsEmpty()){
cout<<"There is no elements!"<<endl;
exit(1);
}
QueueNode<Type,Cmp> *pdel=m_pfront,*pmove=m_pfront;
while(pmove->m_pnext){ //get the minimize priority's data
//cmp:: lt is used for compare the two data, if the front one
// is less than the back, then return 1
if(Cmp::lt(pmove->m_pnext->m_data,pdel->m_pnext->m_data)){
pdel=pmove;
}
pmove=pmove->m_pnext;
}
pmove=pdel;
pdel=pdel->m_pnext;
pmove->m_pnext=pdel->m_pnext;
Type temp=pdel->m_data;
delete pdel;
return temp;
}
template<typename Type,typename Cmp> Type PriorityQueue<Type,Cmp>::GetFront(){
if(IsEmpty()){
cout<<"There is no elements!"<<endl;
exit(1);
}
QueueNode<Type,Cmp> *pdel=m_pfront,*pmove=m_pfront->m_pnext;
while(pmove){ //get the minimize priority's data
if(Cmp::lt(pmove->m_data,pdel->m_data)){
pdel=pmove;
}
pmove=pmove->m_pnext;
}
return pdel->m_data;
}
template<typename Type,typename Cmp> void PriorityQueue<Type,Cmp>::Print(){
QueueNode<Type,Cmp> *pmove=m_pfront;
cout<<"front";
while(pmove){
cout<<"--->"<<pmove->m_data;
pmove=pmove->m_pnext;
}
cout<<"--->rear"<<endl<<endl<<endl;
}
Test.cpp
#include
<iostream>
#include
<cstdlib>
using
namespace std;
#include
"PriorityQueue.h"
int main(){
PriorityQueue<int,Compare<int> > queue;
int init[10]={1,9,3,5,0,8,2,4,6,7};
for(int i=0;i<10;i++){
queue.Append(init[i]);
}
queue.Print();
queue.Delete();
queue.Print();
system("pause");
system("cls");
PriorityQueue<SpecialData,SpecialCmp> spe_queue;
int init2[5][2]={{34,2},{64,1},{18,3},{24,2},{55,4}};
SpecialData data[5];
for(int i=0;i<5;i++){
data[i].m_npir=init2[i][1];
data[i].m_ntenor=init2[i][0];
}
for(int i=0;i<5;i++){
spe_queue.Append(data[i]);
}
spe_queue.Print();
cout<<spe_queue.GetFront()<<endl<<endl;
spe_queue.Delete();
spe_queue.Print();
return 0;
}
10、串
MyString.h
const
int MAXSIZE=100;
class CMyString
{
public:
CMyString(const CMyString& copy);
CMyString(const
char *init);
CMyString();
~CMyString(){
delete[] m_pstr;
}
int Length() const{
return m_ncurlen;
}
int Find(CMyString part) const;
char* GetBuffer() const;
public:
CMyString& operator()(int pos,int len);
bool
operator==(const CMyString cmp_str) const;
bool
operator!=(const CMyString cmp_str) const;
bool
operator<(const CMyString cmp_str) const;
bool
operator>(const CMyString cmp_str) const;
bool
operator!() const{
return m_ncurlen==0;
}
CMyString& operator=(const CMyString ©);
CMyString& operator+=(const CMyString &add);
char& operator[](int i);
friend ostream& operator<<(ostream& ,CMyString&);
friend istream& operator>>(istream& ,CMyString&);
private:
void Next();
private:
int m_ncurlen;
char *m_pstr;
int *m_pnext;
};
MyString.cpp
#include
<iostream>
#include
<cstring>
using
namespace std;
#include
"MyString.h"
CMyString::CMyString(){ //create empty string
m_pstr=new
char[MAXSIZE+1];
if(!m_pstr){
cerr<<"Allocation Error"<<endl;
exit(1);
}
this->m_ncurlen=0;
m_pstr[0]='\0';
}
CMyString::CMyString(const
char *init){ //initialize the string with char*
m_pstr=new
char[MAXSIZE+1];
if(!m_pstr){
cerr<<"Allocation Error"<<endl;
exit(1);
}
this->m_ncurlen=strlen(init);
strcpy(m_pstr,init);
}
CMyString::CMyString(const CMyString ©){ //initialize the string with string
m_pstr=new
char[MAXSIZE+1];
if(!m_pstr){
cerr<<"Allocation Error"<<endl;
exit(1);
}
this->m_ncurlen=copy.m_ncurlen;
strcpy(m_pstr,copy.m_pstr);
}
int CMyString::Find(CMyString part) const{ //string match :KMP
int posP=0,posT=0;
int lengthP=part.m_ncurlen,lengthT=this->m_ncurlen;
part.Next();
while(posP<lengthP&&posT<lengthT){
if(part.m_pstr[posP]==this->m_pstr[posT]){
posP++;
posT++;
}
else{
if(posP==0){
posT++;
}
else{
posP=part.m_pnext[posP-1];
}
}
}
delete[] part.m_pnext;
if(posP<lengthP){
return 0;
}
else{
return 1;
}
}
void CMyString::Next(){ //get the next char for matching : KMP
int length=this->m_ncurlen;
this->m_pnext=new
int[length];
this->m_pnext[0]=0;
for(int i=1;i<length;i++){
int j=this->m_pnext[i-1];
while(*(this->m_pstr+i)!=*(this->m_pstr+j)&&j>0){
j=this->m_pnext[j-1];
}
if(*(this->m_pstr+i)==*(this->m_pstr+j)){
this->m_pnext[i]=j+1;
}
else{
this->m_pnext[i]=0;
}
}
// for(int i=0;i<length;i++)
// cout<<i<<":\t"<<m_pnext[i]<<endl;
}
char *CMyString::GetBuffer() const{ //get the char* from string
return
this->m_pstr;
}
CMyString& CMyString::operator()(int pos, int len){ //get len char with the begining of pos
CMyString *temp=new CMyString;
if(pos<0||pos+len-1>MAXSIZE||len<0){
temp->m_ncurlen=0;
temp->m_pstr[0]='\0';
}
else{
if(pos+len-1>=m_ncurlen){
len=m_ncurlen-pos;
}
temp->m_ncurlen=len;
for(int i=0,j=pos;i<len;i++,j++){
temp->m_pstr[i]=m_pstr[j];
}
temp->m_pstr[len]='\0';
}
return *temp;
}
bool CMyString::operator==(const CMyString cmp_str) const{
if(this->m_ncurlen!=cmp_str.m_ncurlen){
return 0;
}
for(int i=0;i<this->m_ncurlen;i++){
if(this->m_pstr[i]!=cmp_str.m_pstr[i])
return 0;
}
return 1;
}
bool CMyString::operator!=(const CMyString cmp_str) const{
if(*this==cmp_str)
return 0;
return 1;
}
bool CMyString::operator<(const CMyString cmp_str) const{
if(this->m_ncurlen!=cmp_str.m_ncurlen){
return
this->m_ncurlen<cmp_str.m_ncurlen;
}
for(int i=0;i<this->m_ncurlen;i++){
if(this->m_pstr[i]!=cmp_str.m_pstr[i]){
return
this->m_pnext[i]<cmp_str.m_pnext[i];
}
}
return 0;
}
bool CMyString::operator>(const CMyString cmp_str) const{
if(*this<cmp_str||*this==cmp_str){
return 0;
}
return 1;
}
CMyString& CMyString::operator=(const CMyString ©){ //赋值操作
delete[] this->m_pstr;
this->m_pstr=new
char[copy.m_ncurlen+1];
strcpy
(this->m_pstr,copy.m_pstr);
return *this;
}
CMyString& CMyString::operator+=(const CMyString &add){ //字符串追加
int length=this->m_ncurlen+add.m_ncurlen;
int n=this->m_ncurlen;
CMyString temp(*this);
delete[] this->m_pstr;
this->m_pstr=new
char[length+1];
for(int i=0;i<n;i++){
this->m_pstr[i]=temp[i];
}
for(int i=n;i<length;i++){
this->m_pstr[i]=add.m_pstr[i-n];
}
this->m_pstr[length]='\0';
return *this;
}
char& CMyString::operator[](int i){ //取元素
if(i<0||i>=this->m_ncurlen){
cout<<"out of boundary!"<<endl;
exit(1);
}
return
this->m_pstr[i];
}
ostream& operator<<(ostream& os,CMyString& str){
os<<str.m_pstr;
return os;
}
istream& operator>>(istream& is,CMyString& str){
is>>str.m_pstr;
return is;
}
test.cpp
#include
<iostream>
using
namespace std;
#include
"MyString.h"
int main(){
CMyString test1("babc");
CMyString test2("abababcdefb");
cout<<test2.Find(test1)<<endl;
cout<<test2(2,3)<<endl;
if(test1<test2){
cout<<test1<<"<"<<test2<<endl;
}
else{
if(test1==test2){
cout<<test1<<"=="<<test2<<endl;
}
else{
if(test1>test2){
cout<<test1<<">"<<test2<<endl;
}
}
}
int length=test2.Length();
for(int i=0;i<length;i++){
cout<<test2[i];
}
cout<<endl;
test1+=test2;
cout<<test1<<endl;
test1=test2;
cout<<test1<<endl;
return 0;
}
11、二叉树
BinTreeNode.h
template<typename Type> class BinaryTree;
template<typename Type> class BinTreeNode{
public:
friend
class BinaryTree<Type>;
BinTreeNode():m_pleft(NULL),m_pright(NULL){}
BinTreeNode(Type item,BinTreeNode<Type> *left=NULL,BinTreeNode<Type> *right=NULL)
:m_data(item),m_pleft(left),m_pright(right){}
Type GetData() const; //get thd data
BinTreeNode<Type> *GetLeft() const; //get the left node
BinTreeNode<Type> *GetRight() const; //get the right node
void SetData(const Type data); //change the data
void SetLeft(const BinTreeNode<Type> *left); //change thd left node
void SetRight(const BinTreeNode<Type> *right); //change the right node
void InOrder(); //inorder the tree with the root of the node
void PreOrder(); //perorder the tree with the root of the node
void PostOrder(); //postoder the tree with the root of the node
int Size(); //get size
int Height(); //get height
BinTreeNode<Type> *Copy(const BinTreeNode<Type> *copy); //copy the node
void Destroy(){ //destroy the tree with the root of the node
if(this!=NULL){
this->m_pleft->Destroy();
this->m_pright->Destroy();
delete
this;
}
}
friend
bool equal<Type>(const BinTreeNode<Type> *s,const BinTreeNode<Type> *t); //is equal?
private:
BinTreeNode<Type> *m_pleft,*m_pright;
Type m_data;
};
template<typename Type> Type BinTreeNode<Type>::GetData() const{
return
this!=NULL?m_data:-1;
}
template<typename Type> BinTreeNode<Type>* BinTreeNode<Type>::GetLeft() const{
return
this!=NULL?m_pleft:NULL;
}
template<typename Type> BinTreeNode<Type>* BinTreeNode<Type>::GetRight() const{
return
this!=NULL?m_pright:NULL;
}
template<typename Type> void BinTreeNode<Type>::SetData(const Type data){
if(this!=NULL){
m_data=data;
}
}
template<typename Type> void BinTreeNode<Type>::SetLeft(const BinTreeNode<Type> *left){
if(this!=NULL){
m_pleft=left;
}
}
template<typename Type> void BinTreeNode<Type>::SetRight(const BinTreeNode<Type> *right){
if(this!=NULL){
m_pright=right;
}
}
template<typename Type> BinTreeNode<Type>* BinTreeNode<Type>::Copy(const BinTreeNode<Type> *copy){
if(copy==NULL){
return NULL;
}
BinTreeNode<Type> *temp=new BinTreeNode<Type>(copy->m_data);
temp->m_pleft=Copy(copy->m_pleft);
temp->m_pright=Copy(copy->m_pright);
return temp;
}
template<typename Type> bool equal(const BinTreeNode<Type> *s,const BinTreeNode<Type> *t){
if(s==NULL&&t==NULL){
return 1;
}
if(s&&t&&s->m_data==t->m_data&&equal(s->m_pleft,t->m_pleft)&&equal(s->m_pright,t->m_pright)){
return 1;
}
return 0;
}
template<typename Type> void BinTreeNode<Type>::InOrder(){
if(this!=NULL){
this->m_pleft->InOrder();
cout<<"--->"<<this->m_data;
this->m_pright->InOrder();
}
}
template<typename Type> void BinTreeNode<Type>::PreOrder(){
if(this!=NULL){
cout<<"--->"<<this->m_data;
this->m_pleft->PreOrder();
this->m_pright->PreOrder();
}
}
template<typename Type> void BinTreeNode<Type>::PostOrder(){
if(this!=NULL){
this->m_pleft->PostOrder();
this->m_pright->PostOrder();
cout<<"--->"<<this->m_data;
}
}
template<typename Type> int BinTreeNode<Type>::Size(){
if(this==NULL){
return 0;
}
return 1+this->m_pleft->Size()+this->m_pright->Size();
}
template<typename Type> int BinTreeNode<Type>::Height(){
if(this==NULL){
return -1;
}
int lheight,rheight;
lheight=this->m_pleft->Height();
rheight=this->m_pright->Height();
return 1+(lheight>rheight?lheight:rheight);
}
BinaryTree.h
#include
"BinTreeNode.h"
template<typename Type> class BinaryTree{
public:
BinaryTree():m_proot(NULL){}
BinaryTree(const Type stop):m_stop(stop),m_proot(NULL){}
BinaryTree(BinaryTree<Type>& copy);
virtual ~BinaryTree(){
m_proot->Destroy();
}
virtual
bool IsEmpty(){ //is empty?
return m_proot==NULL;
}
virtual BinTreeNode<Type> *GetLeft(BinTreeNode<Type> *current); //get the left node
virtual BinTreeNode<Type> *GetRight(BinTreeNode<Type> *current);//get the right node
virtual BinTreeNode<Type> *GetParent(BinTreeNode<Type> *current);//ghe thd parent
const BinTreeNode<Type> *GetRoot() const; //get root
virtual
bool Insert(const Type item); //insert a new node
virtual BinTreeNode<Type> *Find(const Type item) const; //find thd node with the data
void InOrder();
void PreOrder();
void PostOrder();
int Size(); //get size
int Height(); //get height
BinaryTree<Type>& operator=(const BinaryTree<Type> copy); //evaluate node
friend
bool
operator== <Type>(const BinaryTree<Type> s,const BinaryTree<Type> t);//is equal?
friend ostream& operator<< <Type>(ostream& ,BinaryTree<Type>&); //output the data
friend istream& operator>> <Type>(istream& ,BinaryTree<Type>&); //input the data
private:
Type m_stop; //just using for input the data;
BinTreeNode<Type> *m_proot;
//find the parent of current in the tree with the root of start
BinTreeNode<Type> *GetParent(BinTreeNode<Type> *start,BinTreeNode<Type> *current);
void Print(BinTreeNode<Type> *start,int n=0); //print the tree with the root of start
};
template<typename Type> BinaryTree<Type>::BinaryTree(BinaryTree<Type>& copy){
if(copy.m_proot){
this->m_stop=copy.m_stop;
}
m_proot=m_proot->Copy(copy.m_proot);
}
template<typename Type> BinTreeNode<Type>* BinaryTree<Type>::GetLeft(BinTreeNode<Type> *current){
return m_proot&¤t?current->m_pleft:NULL;
}
template<typename Type> BinTreeNode<Type>* BinaryTree<Type>::GetRight(BinTreeNode<Type> *current){
return m_proot&¤t?current->m_pright:NULL;
}
template<typename Type> const BinTreeNode<Type>* BinaryTree<Type>::GetRoot() const{
return m_proot;
}
template<typename Type> BinTreeNode<Type>* BinaryTree<Type>::GetParent(BinTreeNode<Type> *start, BinTreeNode<Type> *current){
if(start==NULL||current==NULL){
return NULL;
}
if(start->m_pleft==current||start->m_pright==current){
return start;
}
BinTreeNode<Type> *pmove;
if((pmove=GetParent(start->m_pleft,current))!=NULL){//find the parent in the left subtree
return pmove;
}
else{
return GetParent(start->m_pright,current); //find the parent in the right subtree
}
}
template<typename Type> BinTreeNode<Type>* BinaryTree<Type>::GetParent(BinTreeNode<Type> *current){
return m_proot==NULL||current==m_proot?NULL:GetParent(m_proot,current);
}
template<typename Type> bool BinaryTree<Type>::Insert(const Type item){
BinTreeNode<Type> *pstart=m_proot,*newnode=new BinTreeNode<Type>(item);
if(m_proot==NULL){
m_proot=newnode;
return 1;
}
while(1){
if(item==pstart->m_data){
cout<<"The item "<<item<<" is exist!"<<endl;
return 0;
}
if(item<pstart->m_data){
if(pstart->m_pleft==NULL){
pstart->m_pleft=newnode;
return 1;
}
pstart=pstart->m_pleft; //if less than the node then insert to the left subtree
}
else{
if(pstart->m_pright==NULL){
pstart->m_pright=newnode;
return 1;
}
pstart=pstart->m_pright;//if more than the node then insert to the right subtree
}
}
}
template<typename Type> BinTreeNode<Type>* BinaryTree<Type>::Find(const Type item) const{
BinTreeNode<Type> *pstart=m_proot;
while(pstart){
if(item==pstart->m_data){
return pstart;
}
if(item<pstart->m_data){
pstart=pstart->m_pleft; //if less than the node then find in the left subtree
}
else{
pstart=pstart->m_pright;//if more than the node then find in the right subtree
}
}
return NULL;
}
template<typename Type> void BinaryTree<Type>::Print(BinTreeNode<Type> *start, int n){
if(start==NULL){
for(int i=0;i<n;i++){
cout<<" ";
}
cout<<"NULL"<<endl;
return;
}
Print(start->m_pright,n+1); //print the right subtree
for(int i=0;i<n;i++){ //print blanks with the height of the node
cout<<" ";
}
if(n>=0){
cout<<start->m_data<<"--->"<<endl;//print the node
}
Print(start->m_pleft,n+1); //print the left subtree
}
template<typename Type> BinaryTree<Type>& BinaryTree<Type>::operator=(const BinaryTree<Type> copy){
if(copy.m_proot){
this->m_stop=copy.m_stop;
}
m_proot=m_proot->Copy(copy.m_proot);
return *this;
}
template<typename Type> ostream& operator<<(ostream& os,BinaryTree<Type>& out){
out.Print(out.m_proot);
return os;
}
template<typename Type> istream& operator>>(istream& is,BinaryTree<Type>& in){
Type item;
cout<<"initialize the tree:"<<endl<<"Input data(end with "<<in.m_stop<<"!):";
is>>item;
while(item!=in.m_stop){ //m_stop is the end of input
in.Insert(item);
is>>item;
}
return is;
}
template<typename Type> bool
operator==(const BinaryTree<Type> s,const BinaryTree<Type> t){
return equal(s.m_proot,t.m_proot);
}
template<typename Type> void BinaryTree<Type>::InOrder(){
this->m_proot->InOrder();
}
template<typename Type> void BinaryTree<Type>::PreOrder(){
this->m_proot->PreOrder();
}
template<typename Type> void BinaryTree<Type>::PostOrder(){
this->m_proot->PostOrder();
}
template<typename Type> int BinaryTree<Type>::Size(){
return
this->m_proot->Size();
}
template<typename Type> int BinaryTree<Type>::Height(){
return
this->m_proot->Height();
}
Test.cpp
#include
<iostream>
using
namespace std;
#include
"BinaryTree.h"
int main(){
BinaryTree<int> tree(-1);
// int init[10]={3,6,0,2,8,4,9,1,5,7};
int init[30]={17,6,22,29,14,0,21,13,27,18,2,28,8
,26,3,12,20,4,9,23,15,1,11,5,19,24,16,7,10,25};
for(int i=0;i<30;i++){
tree.Insert(init[i]);
}
//cin>>tree;
cout<<tree<<endl;
cout<<tree.GetParent(tree.Find(20))->GetData()<<endl;
cout<<tree.Find(15)->GetRight()->GetData()<<endl;
cout<<"size="<<tree.Size()<<endl;
cout<<"height="<<tree.Height()<<endl;
tree.InOrder();
cout<<endl<<endl;
tree.PreOrder();
cout<<endl<<endl;
tree.PostOrder();
cout<<endl<<endl;
BinaryTree<int> tree2=tree;
cout<<tree2<<endl;
cout<<tree2.GetParent(tree2.Find(20))->GetData()<<endl;
cout<<tree2.Find(15)->GetRight()->GetData()<<endl;
cout<<(tree==tree2)<<endl;
return 0;
}
12、线索二叉树
ThreadNode.h
template<typename Type> class ThreadTree;
template<typename Type> class ThreadInorderIterator;
template<typename Type> class ThreadNode{
public:
friend
class ThreadTree<Type>;
friend
class ThreadInorderIterator<Type>;
ThreadNode():m_nleftthread(1),m_nrightthread(1){
m_pleft=this;
m_pright=this;
}
ThreadNode(const Type item):m_data(item),m_pleft(NULL),m_pright(NULL)
,m_nleftthread(0),m_nrightthread(0){}
private:
int m_nleftthread,m_nrightthread;
ThreadNode<Type> *m_pleft,*m_pright;
Type m_data;
};
ThreadTree.h
#include
"ThreadNode.h"
template<typename Type> class ThreadInorderIterator;
template<typename Type> class ThreadTree{
public:
friend
class ThreadInorderIterator<Type>;
ThreadTree():m_proot(new ThreadNode<Type>()){}
ThreadInorderIterator.h
#include
"ThreadTree.h"
template<typename Type> class ThreadInorderIterator{
public:
ThreadInorderIterator(ThreadTree<Type> &tree):m_ptree(tree),m_pcurrent(tree.m_proot){
//InThread(m_ptree.m_proot->m_pleft,m_ptree.m_proot);
}
ThreadNode<Type> *First();
ThreadNode<Type> *Prior();
ThreadNode<Type> *Next();
void Print();
void Print(ThreadNode<Type> *start, int n=0);
void InOrder();
void InsertLeft(ThreadNode<Type> *left);
void InsertRight(ThreadNode<Type> *right);
ThreadNode<Type> *GetParent(ThreadNode<Type> *current);
private:
ThreadTree<Type> &m_ptree;
ThreadNode<Type> *m_pcurrent;
void InThread(ThreadNode<Type> *current,ThreadNode<Type> *pre);
};
template<typename Type> void ThreadInorderIterator<Type>::InThread(
ThreadNode<Type> *current, ThreadNode<Type> *pre){
if(current!=m_ptree.m_proot){
InThread(current->m_pleft,pre);
if(current->m_pleft==NULL){
current->m_pleft=pre;
current->m_nleftthread=1;
}
if(pre->m_pright==NULL){
pre->m_pright=current;
pre->m_nrightthread=1;
}
pre=current;
InThread(current->m_pright,pre);
}
}
template<typename Type> ThreadNode<Type>* ThreadInorderIterator<Type>::First(){
while(m_pcurrent->m_nleftthread==0){
m_pcurrent=m_pcurrent->m_pleft;
}
return m_pcurrent;
}
template<typename Type> ThreadNode<Type>* ThreadInorderIterator<Type>::Prior(){
ThreadNode<Type> *pmove=m_pcurrent->m_pleft;
if(0==m_pcurrent->m_nleftthread){
while(0==pmove->m_nrightthread){
pmove=pmove->m_pright;
}
}
m_pcurrent=pmove;
if(m_pcurrent==m_ptree.m_proot){
return NULL;
}
return m_pcurrent;
}
template<typename Type> ThreadNode<Type>* ThreadInorderIterator<Type>::Next(){
ThreadNode<Type> *pmove=m_pcurrent->m_pright;
if(0==m_pcurrent->m_nrightthread){
while(0==pmove->m_nleftthread){
pmove=pmove->m_pleft;
}
}
m_pcurrent=pmove;
if(m_pcurrent==m_ptree.m_proot){
return NULL;
}
return m_pcurrent;
}
template<typename Type> void ThreadInorderIterator<Type>::InOrder(){
ThreadNode<Type> *pmove=m_ptree.m_proot;
while(pmove->m_pleft!=m_ptree.m_proot){
pmove=pmove->m_pleft;
}
m_pcurrent=pmove;
cout<<"root";
while(pmove!=m_ptree.m_proot&&pmove){
cout<<"--->"<<pmove->m_data;
pmove=this->Next();
}
cout<<"--->end";
}
template<typename Type> void ThreadInorderIterator<Type>::InsertLeft(ThreadNode<Type> *left){
left->m_pleft=m_pcurrent->m_pleft;
left->m_nleftthread=m_pcurrent->m_nleftthread;
left->m_pright=m_pcurrent;
left->m_nrightthread=1;
m_pcurrent->m_pleft=left;
m_pcurrent->m_nleftthread=0;
if(0==left->m_nleftthread){
m_pcurrent=left->m_pleft;
ThreadNode<Type> *temp=First();
temp->m_pright=left;
}
m_pcurrent=left;
}
template<typename Type> void ThreadInorderIterator<Type>::InsertRight(ThreadNode<Type> *right){
right->m_pright=m_pcurrent->m_pright;
right->m_nrightthread=m_pcurrent->m_nrightthread;
right->m_pleft=m_pcurrent;
right->m_nleftthread=1;
m_pcurrent->m_pright=right;
m_pcurrent->m_nrightthread=0;
if(0==right->m_nrightthread){
m_pcurrent=right->m_pright;
ThreadNode<Type> *temp=First();
temp->m_pleft=right;
}
m_pcurrent=right;
}
template<typename Type> ThreadNode<Type>* ThreadInorderIterator<Type>::GetParent(
ThreadNode<Type> *current){
ThreadNode<Type> *pmove=current;
while(0==pmove->m_nleftthread){
pmove=pmove->m_pleft;
}
pmove=pmove->m_pleft;
if(pmove==m_ptree.m_proot){
if(pmove->m_pleft==current){
return NULL;
}
}
if(pmove->m_pright==current){
return pmove;
}
pmove=pmove->m_pright;
while(pmove->m_pleft!=current){
pmove=pmove->m_pleft;
}
return pmove;
}
template<typename Type> void ThreadInorderIterator<Type>::Print(ThreadNode<Type> *start, int n){
if(start->m_nleftthread&&start->m_nrightthread){
for(int i=0;i<n;i++){
cout<<" ";
}
if(n>=0){
cout<<start->m_data<<"--->"<<endl;
}
return;
}
if(start->m_nrightthread==0){
Print(start->m_pright,n+1);
}
for(int i=0;i<n;i++){
cout<<" ";
}
if(n>=0){
cout<<start->m_data<<"--->"<<endl;
}
if(start->m_nleftthread==0){
Print(start->m_pleft,n+1);
}
}
template<typename Type> void ThreadInorderIterator<Type>::Print(){
Print(m_ptree.m_proot->m_pleft);
}
test.cpp
#include
<iostream>
using
namespace std;
#include
"ThreadInorderIterator.h"
int main(){
ThreadTree<int> tree;
ThreadInorderIterator<int> threadtree(tree);
int init[10]={3,6,0,2,8,4,9,1,5,7};
for(int i=0;i<10;){
threadtree.InsertLeft(new ThreadNode<int>(init[i++]));
threadtree.InsertRight(new ThreadNode<int>(init[i++]));
}
threadtree.Print();
cout<<endl<<endl;
threadtree.InOrder();
return 0;
}
private:
ThreadNode<Type> *m_proot;
};
13、堆
MinHeap.h
template<typename Type> class MinHeap{
public:
MinHeap(int size):m_nMaxSize(size > defaultsize ? size : defaultsize)
,m_pheap(new Type[m_nMaxSize]),m_ncurrentsize(0){}
MinHeap(Type heap[],int n); //initialize heap by a array
~MinHeap(){
delete[] m_pheap;
}
public:
bool Insert(const Type item); //insert element
bool Delete(const Type item); //delete element
bool IsEmpty() const{
return m_ncurrentsize == 0;
}
bool IsFull() const{
reutrn m_ncurrentsize == m_nMaxSize;
}
void Print(const
int start=0, int n=0);
private:
//adjust the elements of the child tree with the root of start from top to bottom
void Adjust(const
int start, const
int end);
private:
static
const
int defaultsize = 100;
const
int m_nMaxSize;
Type *m_pheap;
int m_ncurrentsize;
};
template<typename Type> void MinHeap<Type>::Adjust(const
int start, const
int end){
int i = start,j = i*2+1; //get the position of the child of i
Type temp=m_pheap[i];
while(j <= end){
if(j<end && m_pheap[j]>m_pheap[j+1]){ //left>right
j++;
}
if(temp <= m_pheap[j]){ //adjust over
break;
}
else{ //change the parent and the child, then adjust the child
m_pheap[i] = m_pheap[j];
i = j;
j = 2*i+1;
}
}
m_pheap[i] = temp;
}
template<typename Type> MinHeap<Type>::MinHeap(Type heap[], int n):m_nMaxSize(
n > defaultsize ? n : defaultsize){
m_pheap = new Type[m_nMaxSize];
for(int i=0; i<n; i++){
m_pheap[i] = heap[i];
}
m_ncurrentsize = n;
int pos=(n-2)/2; //Find the last child tree which has more than one element;
while(pos>=0){
Adjust(pos, n-1);
pos--;
}
}
template<typename Type> bool MinHeap<Type>::Insert(const Type item){
if(m_ncurrentsize == m_nMaxSize){
cerr<<"Heap Full!"<<endl;
return 0;
}
m_pheap[m_ncurrentsize] = item;
int j = m_ncurrentsize, i = (j-1)/2; //get the position of the parent of j
Type temp = m_pheap[j];
while(j > 0){ //adjust from bottom to top
if(m_pheap[i] <= temp){
break;
}
else{
m_pheap[j] = m_pheap[i];
j = i;
i = (j-1)/2;
}
}
m_pheap[j] = temp;
m_ncurrentsize++;
return 1;
}
template<typename Type> bool MinHeap<Type>::Delete(const Type item){
if(0 == m_ncurrentsize){
cerr<<"Heap Empty!"<<endl;
return 0;
}
for(int i=0; i<m_ncurrentsize; i++){
if(m_pheap[i] == item){
m_pheap[i] = m_pheap[m_ncurrentsize-1]; //filled with the last element
Adjust(i,m_ncurrentsize-2); //adjust the tree with start of i
m_ncurrentsize--;
i=0;
}
}
return 1;
}
template<typename Type> void MinHeap<Type>::Print(const
int start, int n){
if(start >= m_ncurrentsize){
return;
}
Print(start*2+2, n+1); //print the right child tree
for(int i=0; i<n; i++){
cout<<" ";
}
cout<< m_pheap[start] << "--->" << endl;
Print(start*2+1, n+1); //print the left child tree
}
test.cpp
#include
<iostream>
using
namespace std;
#include
"MinHeap.h"
int main(){
int init[30]={17,6,22,29,14,0,21,13,27,18,2,28,8
,26,3,12,20,4,9,23,15,1,11,5,19,24,16,7,10,25};
MinHeap<int> heap(init,30);
heap.Print();
cout<<endl<<endl<<endl;
heap.Insert(20);
heap.Print();
cout<<endl<<endl<<endl;
heap.Delete(20);
heap.Print();
cout<<endl<<endl<<endl;
return 0;
}
14、哈夫曼树
BinTreeNode.h
template<typename Type> class BinaryTree;
template<typename Type> void Huffman(Type *, int, BinaryTree<Type> &);
template<typename Type> class BinTreeNode{
public:
friend
class BinaryTree<Type>;
friend
void Huffman<Type>(Type *, int, BinaryTree<Type> &);
BinTreeNode():m_pleft(NULL),m_pright(NULL){}
BinTreeNode(Type item,BinTreeNode<Type> *left=NULL,BinTreeNode<Type> *right=NULL)
:m_data(item),m_pleft(left),m_pright(right){}
void Destroy(){ //destroy the tree with the root of the node
if(this!=NULL){
this->m_pleft->Destroy();
this->m_pright->Destroy();
delete
this;
}
}
Type GetData(){
return m_data;
}
BinTreeNode<Type> *Copy(const BinTreeNode<Type> *copy); //copy the node
private:
BinTreeNode<Type> *m_pleft,*m_pright;
Type m_data;
};
template<typename Type> BinTreeNode<Type>* BinTreeNode<Type>::Copy(const BinTreeNode<Type> *copy){
if(copy==NULL){
return NULL;
}
BinTreeNode<Type> *temp=new BinTreeNode<Type>(copy->m_data);
temp->m_pleft=Copy(copy->m_pleft);
temp->m_pright=Copy(copy->m_pright);
return temp;
}
BinaryTree.h
#include
"BinTreeNode.h"
template<typename Type> void Huffman(Type *, int, BinaryTree<Type> &);
template<typename Type> class BinaryTree{
public:
BinaryTree(BinaryTree<Type> &bt1, BinaryTree<Type> &bt2){
m_proot = new BinTreeNode<Type>(bt1.m_proot->m_data
+ bt2.m_proot->m_data, bt1.m_proot, bt2.m_proot);
}
BinaryTree(Type item){
m_proot = new BinTreeNode<Type>(item);
}
BinaryTree(const BinaryTree<Type> ©){
this->m_proot = copy.m_proot;
}
BinaryTree(){
m_proot = NULL;
}
void Destroy(){
m_proot->Destroy();
}
~BinaryTree(){
// m_proot->Destroy();
}
BinaryTree<Type>& operator=(BinaryTree<Type> copy); //evaluate node
friend
void Huffman<Type>(Type *, int, BinaryTree<Type> &);
friend
bool
operator < <Type>(BinaryTree<Type> &l, BinaryTree<Type> & r);
friend
bool
operator > <Type>(BinaryTree<Type> &l, BinaryTree<Type> & r);
friend
bool
operator <= <Type>(BinaryTree<Type> &l, BinaryTree<Type> & r);
friend ostream& operator<< <Type>(ostream& ,BinaryTree<Type>&); //output the data
private:
BinTreeNode<Type> *m_proot;
void Print(BinTreeNode<Type> *start,int n=0); //print the tree with the root of start
};
template<typename Type> bool
operator <(BinaryTree<Type> &l, BinaryTree<Type> &r){
return l.m_proot->GetData() < r.m_proot->GetData();
}
template<typename Type> bool
operator >(BinaryTree<Type> &l, BinaryTree<Type> &r){
return l.m_proot->GetData() > r.m_proot->GetData();
}
template<typename Type> bool
operator <=(BinaryTree<Type> &l, BinaryTree<Type> &r){
return l.m_proot->GetData() <= r.m_proot->GetData();
}
template<typename Type> void BinaryTree<Type>::Print(BinTreeNode<Type> *start, int n){
if(start==NULL){
for(int i=0;i<n;i++){
cout<<" ";
}
cout<<"NULL"<<endl;
return;
}
Print(start->m_pright,n+1); //print the right subtree
for(int i=0;i<n;i++){ //print blanks with the height of the node
cout<<" ";
}
if(n>=0){
cout<<start->m_data<<"--->"<<endl;//print the node
}
Print(start->m_pleft,n+1); //print the left subtree
}
template<typename Type> ostream& operator<<(ostream& os,BinaryTree<Type>& out){
out.Print(out.m_proot);
return os;
}
template<typename Type> BinaryTree<Type>& BinaryTree<Type>::operator=(BinaryTree<Type> copy){
m_proot=m_proot->Copy(copy.m_proot);
return *this;
}
MinHeap.h
template<typename Type> class MinHeap{
public:
MinHeap(Type heap[],int n); //initialize heap by a array
~MinHeap(){
delete[] m_pheap;
}
public:
bool Insert(const Type item);
bool DeleteMin(Type &first);
private:
void Adjust(const
int start, const
int end); //adjust the elements from start to end
private:
const
int m_nMaxSize;
Type *m_pheap;
int m_ncurrentsize;
};
template<typename Type> void MinHeap<Type>::Adjust(const
int start, const
int end){
int i = start,j = i*2+1;
Type temp=m_pheap[i];
while(j <= end){
if(j<end && m_pheap[j]>m_pheap[j+1]){
j++;
}
if(temp <= m_pheap[j]){
break;
}
else{
m_pheap[i] = m_pheap[j];
i = j;
j = 2*i+1;
}
}
m_pheap[i] = temp;
}
template<typename Type> MinHeap<Type>::MinHeap(Type heap[], int n):m_nMaxSize(n){
m_pheap = new Type[m_nMaxSize];
for(int i=0; i<n; i++){
m_pheap[i] = heap[i];
}
m_ncurrentsize = n;
int pos=(n-2)/2; //Find the last tree which has more than one element;
while(pos>=0){
Adjust(pos, n-1);
pos--;
}
}
template<typename Type> bool MinHeap<Type>::DeleteMin(Type &first){
first = m_pheap[0];
m_pheap[0] = m_pheap[m_ncurrentsize-1];
m_ncurrentsize--;
Adjust(0, m_ncurrentsize-1);
return 1;
}
template<typename Type> bool MinHeap<Type>::Insert(const Type item){
if(m_ncurrentsize == m_nMaxSize){
cerr<<"Heap Full!"<<endl;
return 0;
}
m_pheap[m_ncurrentsize] = item;
int j = m_ncurrentsize, i = (j-1)/2;
Type temp = m_pheap[j];
while(j > 0){
if(m_pheap[i] <= temp){
break;
}
else{
m_pheap[j] = m_pheap[i];
j = i;
i = (j-1)/2;
}
}
m_pheap[j] = temp;
m_ncurrentsize++;
return 1;
}
Huffman.h
#include
"BinaryTree.h"
#include
"MinHeap.h"
template<typename Type> void Huffman(Type *elements, int n, BinaryTree<Type> &tree){
BinaryTree<Type> first, second;
BinaryTree<Type> node[20];
for (int i=0; i<n; i++){
node[i].m_proot = new BinTreeNode<Type>(elements[i]);
}
MinHeap<BinaryTree<Type> > heap(node, n);
for (int i=0; i<n-1; i++){
heap.DeleteMin(first);
heap.DeleteMin(second);
//using the first and the second minimize element create new tree
if (first.m_proot->GetData() == second.m_proot->GetData()){
tree = *(new BinaryTree<Type>(second, first));
}
else {
tree = *(new BinaryTree<Type>(first, second));
}
heap.Insert(tree);
}
}
Test.cpp
#include
<iostream>
using
namespace std;
#include
"Huffman.h"
int main(){
BinaryTree<int> tree;
int init[10]={3,6,0,2,8,4,9,1,5,7};
Huffman(init,10,tree);
cout << tree;
tree.Destroy();
return 0;
}
15、树
QueueNode.h
template<typename Type> class LinkQueue;
template<typename Type> class QueueNode{
private:
friend
class LinkQueue<Type>;
QueueNode(const Type item,QueueNode<Type> *next=NULL)
:m_data(item),m_pnext(next){}
private:
Type m_data;
QueueNode<Type> *m_pnext;
};
LinkQueue.h
#include
"QueueNode.h"
template<typename Type> class LinkQueue{
public:
LinkQueue():m_prear(NULL),m_pfront(NULL){}
~LinkQueue(){
MakeEmpty();
}
void Append(const Type item);
Type Delete();
Type GetFront();
void MakeEmpty();
bool IsEmpty() const{
return m_pfront==NULL;
}
void Print();
private:
QueueNode<Type> *m_prear,*m_pfront;
};
template<typename Type> void LinkQueue<Type>::MakeEmpty(){
QueueNode<Type> *pdel;
while(m_pfront){
pdel=m_pfront;
m_pfront=m_pfront->m_pnext;
delete pdel;
}
}
template<typename Type> void LinkQueue<Type>::Append(const Type item){
if(m_pfront==NULL){
m_pfront=m_prear=new QueueNode<Type>(item);
}
else{
m_prear=m_prear->m_pnext=new QueueNode<Type>(item);
}
}
template<typename Type> Type LinkQueue<Type>::Delete(){
if(IsEmpty()){
cout<<"There is no element!"<<endl;
exit(1);
}
QueueNode<Type> *pdel=m_pfront;
Type temp=m_pfront->m_data;
m_pfront=m_pfront->m_pnext;
delete pdel;
return temp;
}
template<typename Type> Type LinkQueue<Type>::GetFront(){
if(IsEmpty()){
cout<<"There is no element!"<<endl;
exit(1);
}
return m_pfront->m_data;
}
template<typename Type> void LinkQueue<Type>::Print(){
QueueNode<Type> *pmove=m_pfront;
cout<<"front";
while(pmove){
cout<<"--->"<<pmove->m_data;
pmove=pmove->m_pnext;
}
cout<<"--->rear"<<endl<<endl<<endl;
}
TreeNode.h
template<typename Type> class Tree;
template<typename Type> class TreeNode{
public:
friend
class Tree<Type>;
private:
Type m_data;
TreeNode<Type> *m_pfirst,*m_pnext;
TreeNode():m_pfirst(NULL), m_pnext(NULL){}
TreeNode(Type item, TreeNode<Type> *first = NULL, TreeNode<Type> *next = NULL)
:m_data(item), m_pfirst(first), m_pnext(next){}
};
Tree.h
#include
"TreeNode.h"
#include
"LinkQueue.h"
template<typename Type> class Tree{
public:
Tree():m_proot(NULL), m_pcurrent(NULL){}
public:
TreeNode<Type> *GetCurrent(){ //Get the current node
return m_pcurrent;
}
void SetCurrent(TreeNode<Type> *current){ //set the current node
m_pcurrent = current;
}
bool Insert(Type item); //insert an new node to current node
void Remove(Type item); //delete the node whose data is equal to item
void Remove(TreeNode<Type> *current); //delete the node
bool Find(Type item); //find the node whose data is equal to item
void PrintChild(TreeNode<Type> *current); //print the child tree
TreeNode<Type> *Parent(TreeNode<Type> *current); //get the parent
void Print(); //print the tree
void PreOrder(TreeNode<Type> *root); //ordering the tree by visiting the root first
void PostOrder(TreeNode<Type> *root); //ordering the tree by visiting the root last
void LevelOrder(TreeNode<Type> *root); //ordering the tree by level
void PreOrder();
void PostOrder();
void LevelOrder();
private:
TreeNode<Type> *m_proot,*m_pcurrent;
bool Find(TreeNode<Type> *root, Type item);
void Remove(TreeNode<Type> *root, Type item);
TreeNode<Type> *Parent(TreeNode<Type> *root, TreeNode<Type> *current);
void Print(TreeNode<Type> *start, int n=0);
};
template<typename Type> bool Tree<Type>::Insert(Type item){
TreeNode<Type> *newnode = new TreeNode<Type>(item);
if (NULL == newnode){
cout << "Application Error!" <<endl;
exit(1);
}
if (NULL == m_proot){
m_proot = newnode;
m_pcurrent = m_proot;
return 1;
}
if (NULL == m_pcurrent){
cerr << "insert error!" <<endl;
return 0;
}
if(NULL == m_pcurrent->m_pfirst){
m_pcurrent->m_pfirst = newnode;
m_pcurrent = newnode;
return 1;
}
TreeNode<Type> *pmove = m_pcurrent->m_pfirst;
while(pmove->m_pnext){
pmove = pmove->m_pnext;
}
pmove->m_pnext = newnode;
m_pcurrent = newnode;
return 1;
}
template<typename Type> void Tree<Type>::Remove(TreeNode<Type> *current){
if(NULL == current){
return;
}
TreeNode<Type> *temp = Parent(current);
if(NULL == temp){
TreeNode<Type> *pmove = current->m_pfirst;
if(NULL != pmove->m_pfirst){
pmove=pmove->m_pfirst;
while(pmove->m_pnext){
pmove = pmove->m_pnext;
}
pmove->m_pnext = current->m_pfirst->m_pnext;
current->m_pfirst->m_pnext = NULL;
}
else{
pmove->m_pfirst = pmove->m_pnext;
}
m_proot = current->m_pfirst;
}
else{
if(temp->m_pfirst == current){
TreeNode<Type> *pmove = current->m_pfirst;
if (pmove){
while (pmove->m_pnext){
pmove = pmove->m_pnext;
}
pmove->m_pnext = current->m_pnext;
}
else{
current->m_pfirst = current->m_pnext;
}
}
else{
TreeNode<Type> *pmove = temp->m_pfirst;
while(pmove->m_pnext != current){
pmove = pmove->m_pnext;
}
pmove->m_pnext = current->m_pnext;
while(pmove->m_pnext){
pmove = pmove->m_pnext;
}
pmove->m_pnext = current->m_pfirst;
}
}
delete current;
}
template<typename Type> void Tree<Type>::Remove(TreeNode<Type> *root, Type item){
if(NULL == root){
return;
}
if(root->m_pfirst){
TreeNode<Type> *pmove=root->m_pfirst;
while(pmove){
Remove(pmove, item);
pmove = pmove->m_pnext;
}
}
if(root->m_data == item){
Remove(root);
}
}
template<typename Type> void Tree<Type>::Remove(Type item){
return Remove(m_proot, item);
}
template<typename Type> TreeNode<Type>* Tree<Type>::Parent(
TreeNode<Type> *root, TreeNode<Type> *current){
if(NULL == root){
return NULL;
}
TreeNode<Type> *pmove=root->m_pfirst,*temp;
if(NULL != pmove){
while(pmove){
if(pmove == current){
return root;
}
pmove = pmove->m_pnext;
}
}
pmove = root->m_pfirst;
while(pmove){
temp = Parent(pmove, current);
if(temp){
return temp;
}
pmove = pmove->m_pnext;
}
return NULL;
}
template<typename Type> TreeNode<Type>* Tree<Type>::Parent(TreeNode<Type> *current){
return Parent(m_proot,current);
}
template<typename Type> void Tree<Type>::PrintChild(TreeNode<Type> *current){
TreeNode<Type> *pmove = current->m_pfirst;
cout<<"first";
if(NULL != pmove){
cout<<"--->"<<pmove->m_data;
}
while(pmove->m_pnext){
cout<<"--->"<<pmove->m_data;
pmove = pmove->m_pnext;
}
}
template<typename Type> bool Tree<Type>::Find(TreeNode<Type> *root, Type item){
if (root->m_data == item){
return 1;
}
if (NULL == root){
return 0;
}
TreeNode<Type> *pmove=root->m_pfirst;
if (NULL == pmove){
return 0;
}
while (pmove){
if (Find(pmove, item)){
return 1;
}
pmove = pmove->m_pnext;
}
return 0;
}
template<typename Type> bool Tree<Type>::Find(Type item){
return Find(m_proot,item);
}
template<typename Type> void Tree<Type>::Print(TreeNode<Type> *start, int n = 0){
if (NULL == start){
for (int i=0; i<n; i++){
cout << " ";
}
cout << "NULL" << endl;
return;
}
TreeNode<Type> *pmove = start->m_pfirst;
Print(pmove, n+1);
for (int i=0; i<n; i++){
cout << " ";
}
cout << start->m_data << "--->" <<endl;
if (NULL == pmove){
return;
}
pmove = pmove->m_pnext;
while (pmove){
Print(pmove, n+1);
pmove = pmove->m_pnext;
}
}
template<typename Type> void Tree<Type>::Print(){
Print(m_proot);
}
template<typename Type> void Tree<Type>::PreOrder(TreeNode<Type> *root){
if (NULL == root){
return;
}
cout << root->m_data;
TreeNode<Type> *pmove = root->m_pfirst;
while (pmove){
PreOrder(pmove);
pmove = pmove->m_pnext;
}
}
template<typename Type> void Tree<Type>::PostOrder(TreeNode<Type> *root){
if (NULL == root){
return;
}
TreeNode<Type> *pmove = root->m_pfirst;
while (pmove){
PostOrder(pmove);
pmove = pmove->m_pnext;
}
cout << root->m_data;
}
template<typename Type> void Tree<Type>::PreOrder(){
PreOrder(m_proot);
}
template<typename Type> void Tree<Type>::PostOrder(){
PostOrder(m_proot);
}
template<typename Type> void Tree<Type>::LevelOrder(TreeNode<Type> *root){ //using queue
LinkQueue<TreeNode<Type> *> queue;
TreeNode<Type> *pmove, *ptemp;
if (root != NULL){
queue.Append(root);
while (!queue.IsEmpty()){
ptemp = queue.Delete();
cout << ptemp->m_data;
pmove = ptemp->m_pfirst;
while(pmove){
queue.Append(pmove);
pmove = pmove->m_pnext;
}
}
}
}
template<typename Type> void Tree<Type>::LevelOrder(){
LevelOrder(m_proot);
}
test.cpp
#include
<iostream>
using
namespace std;
#include
"Tree.h"
int main(){
Tree<int> tree;
int init[10]={3,6,0,2,8,4,9,1,5,7};
for (int i=0; i<10; i++){
tree.Insert(init[i]);
if (1 == i % 2){
tree.SetCurrent(tree.Parent(tree.GetCurrent()));
}
}
tree.Print();
cout << endl <<endl << endl;
tree.Remove(3);
tree.Print();
cout << endl <<endl << endl;
cout << tree.Find(5) << endl << tree.Find(11) <<endl;
tree.PreOrder();
cout << endl;
tree.PostOrder();
cout << endl;
tree.LevelOrder();
return 0;
}
16、B+树
BTreeNode.h
template<typename Type> class BTree;
template<typename Type> class BTreeNode{
public:
friend BTree<Type>;
BTreeNode(): m_nMaxSize(0), m_ptr(NULL), m_pparent(NULL){}
BTreeNode(int size): m_nsize(0), m_nMaxSize(size), m_pparent(NULL){
m_pkey = new Type[size+1];
m_ptr = new BTreeNode<Type> *[size+1];
for (int i=0; i<=size; i++){
m_ptr[i] = NULL;
m_pkey[i] = this->m_Infinity;
}
}
void Destroy(BTreeNode<Type> *root);
~BTreeNode(){
if (m_nMaxSize){
delete[] m_pkey;
for (int i=0; i<=m_nMaxSize; i++){
m_ptr[i] = NULL;
}
}
}
bool IsFull(){
return m_nsize == m_nMaxSize;
}
Type GetKey(int i){
if (this){
return
this->m_pkey[i];
}
return -1;
}
private:
int m_nsize;
int m_nMaxSize; //the Max Size of key
Type *m_pkey;
BTreeNode<Type> *m_pparent;
BTreeNode<Type> **m_ptr;
static
const Type m_Infinity = 10000;
};
template<typename Type> struct Triple{
BTreeNode<Type> *m_pfind;
int m_nfind;
bool m_ntag;
};
template<typename Type> void BTreeNode<Type>::Destroy(BTreeNode<Type> *root){
if (NULL == root){
return;
}
for (int i=0; i<root->m_nsize; i++){
Destroy(root->m_ptr[i]);
}
delete root;
}
BTree.h
#include
"BTreeNode.h"
template<typename Type> class BTree{
public:
BTree(int size): m_nMaxSize(size), m_proot(NULL){}
~BTree();
Triple<Type> Search(const Type item);
int Size();
int Size(BTreeNode<Type> *root);
bool Insert(const Type item); //insert item
bool Remove(const Type item); //delete item
void Print(); //print the BTree
BTreeNode<Type> *GetParent(const Type item);
private:
//insert the pright and item to pinsert in the nth place;
void InsertKey(BTreeNode<Type> *pinsert, int n, const Type item, BTreeNode<Type> *pright);
void PreMove(BTreeNode<Type> *root, int n); //move ahead
//merge the child tree
void Merge(BTreeNode<Type> *pleft, BTreeNode<Type> *pparent, BTreeNode<Type> *pright, int n);
//adjust with the parent and the left child tree
void LeftAdjust(BTreeNode<Type> *pright, BTreeNode<Type> *pparent, int min, int n);
//adjust with the parent and the left child tree
void RightAdjust(BTreeNode<Type> *pleft, BTreeNode<Type> *pparent, int min, int n);
void Print(BTreeNode<Type> *start, int n = 0);
private:
BTreeNode<Type> *m_proot;
const
int m_nMaxSize;
};
template<typename Type> BTree<Type>::~BTree(){
m_proot->Destroy(m_proot);
}
template<typename Type> Triple<Type> BTree<Type>::Search(const Type item){
Triple<Type> result;
BTreeNode<Type> *pmove = m_proot, *parent = NULL;
int i = 0;
while (pmove){
i = -1;
while (item > pmove->m_pkey[++i]); //find the suit position
if (pmove->m_pkey[i] == item){
result.m_pfind = pmove;
result.m_nfind = i;
result.m_ntag = 1;
return result;
}
parent = pmove;
pmove = pmove->m_ptr[i]; //find in the child tree
}
result.m_pfind = parent;
result.m_nfind = i;
result.m_ntag = 0;
return result;
}
template<typename Type> void BTree<Type>::InsertKey(BTreeNode<Type> *pinsert, int n, const Type item, BTreeNode<Type> *pright){
pinsert->m_nsize++;
for (int i=pinsert->m_nsize; i>n; i--){
pinsert->m_pkey[i] = pinsert->m_pkey[i-1];
pinsert->m_ptr[i+1] = pinsert->m_ptr[i];
}
pinsert->m_pkey[n] = item;
pinsert->m_ptr[n+1] = pright;
if (pinsert->m_ptr[n+1]){ //change the right child tree's parent
pinsert->m_ptr[n+1]->m_pparent = pinsert;
for (int i=0; i<=pinsert->m_ptr[n+1]->m_nsize; i++){
if (pinsert->m_ptr[n+1]->m_ptr[i]){
pinsert->m_ptr[n+1]->m_ptr[i]->m_pparent = pinsert->m_ptr[n+1];
}
}
}
}
template<typename Type> bool BTree<Type>::Insert(const Type item){
if (NULL == m_proot){ //insert the first node
m_proot = new BTreeNode<Type>(m_nMaxSize);
m_proot->m_nsize = 1;
m_proot->m_pkey[1] = m_proot->m_pkey[0];
m_proot->m_pkey[0] = item;
m_proot->m_ptr[0] = m_proot->m_ptr[1] =NULL;
return 1;
}
Triple<Type> find = this->Search(item); //search the position
if (find.m_ntag){
cerr << "The item is exist!" << endl;
return 0;
}
BTreeNode<Type> *pinsert = find.m_pfind, *newnode;
BTreeNode<Type> *pright = NULL, *pparent;
Type key = item;
int n = find.m_nfind;
while (1){
if (pinsert->m_nsize < pinsert->m_nMaxSize-1){ //There is some space
InsertKey(pinsert, n, key, pright);
return 1;
}
int m = (pinsert->m_nsize + 1) / 2; //get the middle item
InsertKey(pinsert, n, key, pright); //insert first, then break up
newnode = new BTreeNode<Type>(this->m_nMaxSize);//create the newnode for break up
//break up
for (int i=m+1; i<=pinsert->m_nsize; i++){
newnode->m_pkey[i-m-1] = pinsert->m_pkey[i];
newnode->m_ptr[i-m-1] = pinsert->m_ptr[i];
pinsert->m_pkey[i] = pinsert->m_Infinity;
pinsert->m_ptr[i] = NULL;
}
newnode->m_nsize = pinsert->m_nsize - m - 1;
pinsert->m_nsize = m;
for (int i=0; i<=newnode->m_nsize; i++){ //change the parent
if (newnode->m_ptr[i]){
newnode->m_ptr[i]->m_pparent = newnode;
for (int j=0; j<=newnode->m_ptr[i]->m_nsize; j++){
if (newnode->m_ptr[i]->m_ptr[j]){
newnode->m_ptr[i]->m_ptr[j]->m_pparent = newnode->m_ptr[i];
}
}
}
}
for (int i=0; i<=pinsert->m_nsize; i++){ //change the parent
if (pinsert->m_ptr[i]){
pinsert->m_ptr[i]->m_pparent = pinsert;
for (int j=0; j<=pinsert->m_nsize; j++){
if (pinsert->m_ptr[i]->m_ptr[j]){
pinsert->m_ptr[i]->m_ptr[j]->m_pparent = pinsert->m_ptr[i];
}
}
}
}
//break up over
key = pinsert->m_pkey[m];
pright = newnode;
if (pinsert->m_pparent){ //insert the key to the parent
pparent = pinsert->m_pparent;
n = -1;
pparent->m_pkey[pparent->m_nsize] = pparent->m_Infinity;
while (key > pparent->m_pkey[++n]);
newnode->m_pparent = pinsert->m_pparent;
pinsert = pparent;
}
else { //create new root
m_proot = new BTreeNode<Type>(this->m_nMaxSize);
m_proot->m_nsize = 1;
m_proot->m_pkey[1] = m_proot->m_pkey[0];
m_proot->m_pkey[0] = key;
m_proot->m_ptr[0] = pinsert;
m_proot->m_ptr[1] = pright;
newnode->m_pparent = pinsert->m_pparent = m_proot;
return 1;
}
}
}
template<typename Type> void BTree<Type>::PreMove(BTreeNode<Type> *root, int n){
root->m_pkey[root->m_nsize] = root->m_Infinity;
for (int i=n; i<root->m_nsize; i++){
root->m_pkey[i] = root->m_pkey[i+1];
root->m_ptr[i+1] = root->m_ptr[i+2];
}
root->m_nsize--;
}
template<typename Type> void BTree<Type>::Merge(BTreeNode<Type> *pleft, BTreeNode<Type> *pparent, BTreeNode<Type> *pright, int n){
pleft->m_pkey[pleft->m_nsize] = pparent->m_pkey[n];
BTreeNode<Type> *ptemp;
for (int i=0; i<=pright->m_nsize; i++){ //merge the two child tree and the parent
pleft->m_pkey[pleft->m_nsize+i+1] = pright->m_pkey[i];
pleft->m_ptr[pleft->m_nsize+i+1] = pright->m_ptr[i];
ptemp = pleft->m_ptr[pleft->m_nsize+i+1];
if (ptemp){ //change thd right child tree's parent
ptemp->m_pparent = pleft;
for (int j=0; j<=ptemp->m_nsize; j++){
if (ptemp->m_ptr[j]){
ptemp->m_ptr[j]->m_pparent = ptemp;
}
}
}
}
pleft->m_nsize = pleft->m_nsize + pright->m_nsize + 1;
delete pright;
PreMove(pparent, n);
// this->Print();
}
template<typename Type> void BTree<Type>::LeftAdjust(BTreeNode<Type> *pright, BTreeNode<Type> *pparent, int min, int n){
BTreeNode<Type> *pleft = pparent->m_ptr[n-1], *ptemp;
if (pleft->m_nsize > min-1){
for (int i=pright->m_nsize+1; i>0; i--){
pright->m_pkey[i] = pright->m_pkey[i-1];
pright->m_ptr[i] = pright->m_ptr[i-1];
}
pright->m_pkey[0] = pparent->m_pkey[n-1];
pright->m_ptr[0] = pleft->m_ptr[pleft->m_nsize];
ptemp = pright->m_ptr[0];
if (ptemp){ //change the tree's parent which is moved
ptemp->m_pparent = pright;
for (int i=0; i<ptemp->m_nsize; i++){
if (ptemp->m_ptr[i]){
ptemp->m_ptr[i]->m_pparent = ptemp;
}
}
}
pparent->m_pkey[n-1] = pleft->m_pkey[pleft->m_nsize-1];
pleft->m_pkey[pleft->m_nsize] = pleft->m_Infinity;
pleft->m_nsize--;
pright->m_nsize++;
}
else {
Merge(pleft, pparent, pright, n-1);
}
// this->Print();
}
template<typename Type> void BTree<Type>::RightAdjust(BTreeNode<Type> *pleft, BTreeNode<Type> *pparent, int min, int n){
BTreeNode<Type> *pright = pparent->m_ptr[1], *ptemp;
if (pright && pright->m_nsize > min-1){
pleft->m_pkey[pleft->m_nsize] = pparent->m_pkey[0];
pparent->m_pkey[0] = pright->m_pkey[0];
pleft->m_ptr[pleft->m_nsize+1] = pright->m_ptr[0];
ptemp = pleft->m_ptr[pleft->m_nsize+1];
if (ptemp){ //change the tree's parent which is moved
ptemp->m_pparent = pleft;
for (int i=0; i<ptemp->m_nsize; i++){
if (ptemp->m_ptr[i]){
ptemp->m_ptr[i]->m_pparent = ptemp;
}
}
}
pright->m_ptr[0] = pright->m_ptr[1];
pleft->m_nsize++;
PreMove(pright,0);
}
else {
Merge(pleft, pparent, pright, 0);
}
}
template<typename Type> bool BTree<Type>::Remove(const Type item){
Triple<Type> result = this->Search(item);
if (!result.m_ntag){
return 0;
}
BTreeNode<Type> *pdel, *pparent, *pmin;
int n = result.m_nfind;
pdel = result.m_pfind;
if (pdel->m_ptr[n+1] != NULL){ //change into delete leafnode
pmin = pdel->m_ptr[n+1];
pparent = pdel;
while (pmin != NULL){
pparent = pmin;
pmin = pmin->m_ptr[0];
}
pdel->m_pkey[n] = pparent->m_pkey[0];
pdel = pparent;
n = 0;
}
PreMove(pdel, n); //delete the node
int min = (this->m_nMaxSize + 1) / 2;
while (pdel->m_nsize < min-1){ //if it is not a BTree, then adjust
n = 0;
pparent = pdel->m_pparent;
if (NULL == pparent)
{
return 1;
}
while (n<= pparent->m_nsize && pparent->m_ptr[n]!=pdel){
n++;
}
if (!n){
RightAdjust(pdel, pparent, min, n); //adjust with the parent and the right child tree
}
else {
LeftAdjust(pdel, pparent, min, n); //adjust with the parent and the left child tree
}
pdel = pparent;
if (pdel == m_proot){
break;
}
}
if (!m_proot->m_nsize){ //the root is merged
pdel = m_proot->m_ptr[0];
delete m_proot;
m_proot = pdel;
m_proot->m_pparent = NULL;
for (int i=0; i<m_proot->m_nsize; i++){
if (m_proot->m_ptr[i]){
m_proot->m_ptr[i]->m_pparent = m_proot;
}
}
}
return 1;
}
template<typename Type> void BTree<Type>::Print(BTreeNode<Type> *start, int n){
if (NULL == start){
return;
}
if (start->m_ptr[0]){
Print(start->m_ptr[0], n+1); //print the first child tree
}
else {
for (int j=0; j<n; j++){
cout << " ";
}
cout << "NULL" << endl;
}
for (int i=0; i<start->m_nsize; i++){ //print the orther child tree
for (int j=0; j<n; j++){
cout << " ";
}
cout << start->m_pkey[i] << "--->" <<endl;
if (start->m_ptr[i+1]){
Print(start->m_ptr[i+1], n+1);
}
else {
for (int j=0; j<n; j++){
cout << " ";
}
cout << "NULL" << endl;
}
}
}
template<typename Type> void BTree<Type>::Print(){
Print(m_proot);
}
template<typename Type> int BTree<Type>::Size(BTreeNode<Type> *root){
if (NULL == root){
return 0;
}
int size=root->m_nsize;
for (int i=0; i<=root->m_nsize; i++){
if (root->m_ptr[i]){
size += this->Size(root->m_ptr[i]);
}
}
return size;
}
template<typename Type> int BTree<Type>::Size(){
return
this->Size(this->m_proot);
}
template<typename Type> BTreeNode<Type>* BTree<Type>::GetParent(const Type item){
Triple<Type> result = this->Search(item);
return result.m_pfind->m_pparent;
}
test.cpp
#include
<iostream>
#include
<cstdlib>
using
namespace std;
#include
"BTree.h"
int main(){
BTree<int> btree(3);
int init[]={1,3,5,7,4,2,8,0,6,9,29,13,25,11,32,55,34,22,76,45
,14,26,33,88,87,92,44,54,23,12,21,99,19,27,57,18,72,124,158,234
,187,218,382,122,111,222,333,872,123};
for (int i=0; i<49; i++){
btree.Insert(init[i]);
}
btree.Print();
cout << endl << endl << endl;
Triple<int> result = btree.Search(13);
cout << result.m_pfind->GetKey(result.m_nfind) << endl;
cout << endl << endl << endl;
for (int i=0; i<49; i++){
btree.Remove(init[i]);
btree.Print();
cout << endl << endl << endl;
}
return 0;
}
17、图
MinHeap.h
template<typename Type> class MinHeap{
public:
MinHeap(Type heap[],int n); //initialize heap by a array
~MinHeap(){
delete[] m_pheap;
}
public:
bool Insert(const Type item);
bool DeleteMin(Type &first);
private:
void Adjust(const
int start, const
int end); //adjust the elements from start to end
private:
const
int m_nMaxSize;
Type *m_pheap;
int m_ncurrentsize;
};
template<typename Type> void MinHeap<Type>::Adjust(const
int start, const
int end){
int i = start,j = i*2+1;
Type temp=m_pheap[i];
while(j <= end){
if(j<end && m_pheap[j]>m_pheap[j+1]){
j++;
}
if(temp <= m_pheap[j]){
break;
}
else{
m_pheap[i] = m_pheap[j];
i = j;
j = 2*i+1;
}
}
m_pheap[i] = temp;
}
template<typename Type> MinHeap<Type>::MinHeap(Type heap[], int n):m_nMaxSize(n){
m_pheap = new Type[m_nMaxSize];
for(int i=0; i<n; i++){
m_pheap[i] = heap[i];
}
m_ncurrentsize = n;
int pos=(n-2)/2; //Find the last tree which has more than one element;
while(pos>=0){
Adjust(pos, n-1);
pos--;
}
}
template<typename Type> bool MinHeap<Type>::DeleteMin(Type &first){
first = m_pheap[0];
m_pheap[0] = m_pheap[m_ncurrentsize-1];
m_ncurrentsize--;
Adjust(0, m_ncurrentsize-1);
return 1;
}
template<typename Type> bool MinHeap<Type>::Insert(const Type item){
if(m_ncurrentsize == m_nMaxSize){
cerr<<"Heap Full!"<<endl;
return 0;
}
m_pheap[m_ncurrentsize] = item;
int j = m_ncurrentsize, i = (j-1)/2;
Type temp = m_pheap[j];
while(j > 0){
if(m_pheap[i] <= temp){
break;
}
else{
m_pheap[j] = m_pheap[i];
j = i;
i = (j-1)/2;
}
}
m_pheap[j] = temp;
m_ncurrentsize++;
return 1;
}
Edge.h
template<typename DistType> struct Edge{
public:
Edge(int dest, DistType cost): m_ndest(dest), m_cost(cost), m_pnext(NULL){}
public:
int m_ndest;
DistType m_cost;
Edge<DistType> *m_pnext;
};
Vertex.h
#include
"Edge.h"
template<typename NameType, typename DistType> struct Vertex{
public:
Vertex(): adj(NULL){}
NameType m_data;
Edge<DistType> *adj;
~Vertex();
};
template<typename NameType, typename DistType> Vertex<NameType, DistType>::~Vertex(){
Edge<DistType> *pmove = adj;
while (pmove){
adj = pmove->m_pnext;
delete pmove;
pmove = adj;
}
}
Graph.h
#include
"Vertex.h"
template<typename NameType, typename DistType> class Graph{
public:
Graph(int size = m_nDefaultSize); //create the Graph with the most vertex of size
~Graph();
bool GraphEmpty() const{ //Is empty?
return 0 == m_nnumvertex;
}
bool GraphFull() const{ //Is full?
return m_nMaxNum == m_nnumvertex;
}
int NumberOfVertex() const{ //get the number of vertex
return m_nnumvertex;
}
int NumberOfEdge() const{ //get the number of edge
return m_nnumedges;
}
NameType GetValue(int v); //get the value of the vth vertex
DistType GetWeight(int v1, int v2); //get the weight between v1 and v2
int GetFirst(int v); //get the first neighbor vertex of v
int GetNext(int v1, int v2);//get the next neighbor vertex of v1 behind v2
bool InsertVertex(const NameType vertex); //insert vertex with the name of vertex
bool Removevertex(int v); //remove the vth vertex
//insert the edge between v1 and v2
bool InsertEdge(int v1, int v2, DistType weight=m_Infinity);
bool RemoveEdge(int v1, int v2); //delete the edge between v1 and v2
void Print(); //print the graph
Edge<DistType> *GetMin(int v, int *visited); //get the min weight of the neighbor vertex of v
void Prim(Graph<NameType, DistType> &graph); //get the minimize span tree
void DFS(int v, int *visited); //depth first search
void DFS();
void Dijkstra(int v, DistType *shotestpath); //get the min weight from v to other vertex
private:
Vertex<NameType, DistType> *m_pnodetable; //neighbor list
int m_nnumvertex;
const
int m_nMaxNum;
static
const
int m_nDefaultSize = 10; //the default maximize vertex
static
const DistType m_Infinity = 100000; //there is no edge
int m_nnumedges;
int Getvertexpos(const NameType vertex); //get the vertex's position with the name of vertex
};
template<typename NameType, typename DistType> Graph<NameType, DistType>::Graph(int size)
: m_nnumvertex(0), m_nMaxNum(size), m_nnumedges(0){
m_pnodetable = new Vertex<NameType, DistType>[size];
}
template<typename NameType, typename DistType> Graph<NameType, DistType>::~Graph(){
Edge<DistType> *pmove;
for (int i=0; i<this->m_nnumvertex; i++){
pmove = this->m_pnodetable[i].adj;
if (pmove){
this->m_pnodetable[i].adj = pmove->m_pnext;
delete pmove;
pmove = this->m_pnodetable[i].adj;
}
}
delete[] m_pnodetable;
}
template<typename NameType, typename DistType> int Graph<NameType, DistType>::GetFirst(int v){
if (v<0 || v>=this->m_nnumvertex){
return -1;
}
Edge<DistType> *ptemp = this->m_pnodetable[v].adj;
return m_pnodetable[v].adj ? m_pnodetable[v].adj->m_ndest : -1;
}
template<typename NameType, typename DistType> int Graph<NameType, DistType>::GetNext(int v1, int v2){
if (-1 != v1){
Edge<DistType> *pmove = this->m_pnodetable[v1].adj;
while (NULL != pmove->m_pnext){
if (pmove->m_ndest==v2){
return pmove->m_pnext->m_ndest;
}
pmove = pmove->m_pnext;
}
}
return -1;
}
template<typename NameType, typename DistType> NameType Graph<NameType, DistType>::GetValue(int v){
if (v<0 || v>=this->m_nnumvertex){
cerr << "The vertex is not exsit" <<endl;
exit(1);
}
return m_pnodetable[v].m_data;
}
template<typename NameType, typename DistType> int Graph<NameType, DistType>::Getvertexpos(const NameType vertex){
for (int i=0; i<this->m_nnumvertex; i++){
if (vertex == m_pnodetable[i].m_data){
return i;
}
}
return -1;
}
template<typename NameType, typename DistType> DistType Graph<NameType, DistType>::GetWeight(int v1, int v2){
if (v1>=0 && v1<this->m_nnumvertex && v2>=0 && v2<this->m_nnumvertex){
if (v1 == v2){
return 0;
}
Edge<DistType> *pmove = m_pnodetable[v1].adj;
while (pmove){
if (pmove->m_ndest == v2){
return pmove->m_cost;
}
pmove = pmove->m_pnext;
}
}
return m_Infinity;
}
template<typename NameType, typename DistType> bool Graph<NameType, DistType>::InsertEdge(int v1, int v2, DistType weight){
if (v1>=0 && v1<this->m_nnumvertex && v2>=0 && v2<this->m_nnumvertex){
Edge<DistType> *pmove = m_pnodetable[v1].adj;
if (NULL == pmove){ //the first neighbor
m_pnodetable[v1].adj = new Edge<DistType>(v2, weight);
return 1;
}
while (pmove->m_pnext){
if (pmove->m_ndest == v2){
break;
}
pmove = pmove->m_pnext;
}
if (pmove->m_ndest == v2){ //if the edge is exist, change the weight
pmove->m_cost = weight;
return 1;
}
else{
pmove->m_pnext = new Edge<DistType>(v2, weight);
return 1;
}
}
return 0;
}
template<typename NameType, typename DistType> bool Graph<NameType, DistType>::InsertVertex(const NameType vertex){
int i = this->Getvertexpos(vertex);
if (-1 != i){
this->m_pnodetable[i].m_data = vertex;
}
else{
if (!this->GraphFull()){
this->m_pnodetable[this->m_nnumvertex].m_data = vertex;
this->m_nnumvertex++;
}
else{
cerr << "The Graph is Full" <<endl;
return 0;
}
}
return 1;
}
template<typename NameType, typename DistType> bool Graph<NameType, DistType>::RemoveEdge(int v1, int v2){
if (v1>=0 && v1<this->m_nnumvertex && v2>=0 && v2<this->m_nnumvertex){
Edge<DistType> *pmove = this->m_pnodetable[v1].adj, *pdel;
if (NULL == pmove){
cerr << "the edge is not exist!" <<endl;
return 0;
}
if (pmove->m_ndest == v2){ //the first neighbor
this->m_pnodetable[v1].adj = pmove->m_pnext;
delete pmove;
return 1;
}
while (pmove->m_pnext){
if (pmove->m_pnext->m_ndest == v2){
pdel = pmove->m_pnext;
pmove->m_pnext = pdel->m_pnext;
delete pdel;
return 1;
}
pmove = pmove->m_pnext;
}
}
cerr << "the edge is not exist!" <<endl;
return 0;
}
template<typename NameType, typename DistType> bool Graph<NameType, DistType>::Removevertex(int v){
if (v<0 || v>=this->m_nnumvertex){
cerr << "the vertex is not exist!" << endl;
return 0;
}
Edge<DistType> *pmove, *pdel;
for (int i=0; i<this->m_nnumvertex; i++){
pmove = this->m_pnodetable[i].adj;
if (i != v){ //delete the edge point to v
if (NULL == pmove){
continue;
}
if (pmove->m_ndest == v){
this->m_pnodetable[i].adj = pmove->m_pnext;
delete pmove;
continue;
}
else {
if (pmove->m_ndest > v){ //the vertex more than v subtract 1
pmove->m_ndest--;
}
}
while (pmove->m_pnext){
if (pmove->m_pnext->m_ndest == v){
pdel = pmove->m_pnext;
pmove->m_pnext = pdel->m_pnext;
delete pdel;
}
else {
if (pmove->m_pnext->m_ndest > v){
pmove->m_pnext->m_ndest--;
pmove = pmove->m_pnext;
}
}
}
}
else { //delete the edge point from v
while (pmove){
this->m_pnodetable[i].adj = pmove->m_pnext;
delete pmove;
pmove = this->m_pnodetable[i].adj;
}
}
}
this->m_nnumvertex--;
for (int i=v; i<this->m_nnumvertex; i++) //delete the vertex
{
this->m_pnodetable[i].adj = this->m_pnodetable[i+1].adj;
this->m_pnodetable[i].m_data = this->m_pnodetable[i+1].m_data;
}
this->m_pnodetable[this->m_nnumvertex].adj = NULL;
return 1;
}
template<typename NameType, typename DistType> void Graph<NameType, DistType>::Print(){
Edge<DistType> *pmove;
for (int i=0; i<this->m_nnumvertex; i++){
cout << this->m_pnodetable[i].m_data << "--->";
pmove = this->m_pnodetable[i].adj;
while (pmove){
cout << pmove->m_cost << "--->" << this->m_pnodetable[pmove->m_ndest].m_data << "--->";
pmove = pmove->m_pnext;
}
cout << "NULL" << endl;
}
}
template<typename NameType, typename DistType> void Graph<NameType, DistType>::Prim(Graph<NameType, DistType> &graph){
int *node = new
int[this->m_nnumvertex]; //using for store the vertex visited
int *visited = new
int[this->m_nnumvertex];
int count = 0;
Edge<DistType> *ptemp, *ptemp2 = new Edge<DistType>(0, this->m_Infinity), *pmin;
int min;
for (int i=0; i<this->m_nnumvertex; i++){
graph.InsertVertex(this->m_pnodetable[i].m_data);
node[i] = 0;
visited[i] = 0;
}
visited[0] = 1;
while(++count < this->m_nnumvertex){
pmin = ptemp2;
pmin->m_cost = this->m_Infinity;
//get the minimize weight between the vertex visited and the vertex which is not visited
for (int i=0; i<count; i++){
ptemp = GetMin(node[i], visited);
if (NULL == ptemp){
continue;
}
if (pmin->m_cost > ptemp->m_cost){
pmin = ptemp;
min = node[i];
}
}
node[count] = pmin->m_ndest;
visited[node[count]] = 1;
graph.InsertEdge(pmin->m_ndest, min, pmin->m_cost);
graph.InsertEdge(min, pmin->m_ndest, pmin->m_cost);
}
graph.DFS();
delete ptemp2;
delete[] node;
delete[] visited;
}
template<typename NameType, typename DistType> void Graph<NameType, DistType>::DFS(int v, int *visited){
cout << "--->" << this->GetValue(v);
visited[v] = 1;
int weight = this->GetFirst(v);
while (-1 != weight){
if (!visited[weight]){
cout << "--->" << this->GetWeight(v, weight);
DFS(weight, visited);
}
weight = this->GetNext(v, weight);
}
}
template<typename NameType, typename DistType> void Graph<NameType, DistType>::DFS(){
int *visited = new
int[this->m_nnumvertex];
for (int i=0; i<this->m_nnumvertex; i++){
visited[i] = 0;
}
cout << "head";
DFS(0, visited);
cout << "--->end";
}
template<typename NameType, typename DistType> Edge<DistType>* Graph<NameType, DistType>::GetMin(int v, int *visited){
Edge<DistType> *pmove = this->m_pnodetable[v].adj, *ptemp = new Edge<DistType>(0, this->m_Infinity), *pmin = ptemp;
while (pmove){
if (!visited[pmove->m_ndest] && pmin->m_cost>pmove->m_cost){
pmin = pmove;
}
pmove = pmove->m_pnext;
}
if (pmin == ptemp){
delete ptemp;
return NULL;
}
delete ptemp;
return pmin;
}
template<typename NameType, typename DistType> void Graph<NameType, DistType>::Dijkstra(int v, DistType *shotestpath){
int *visited = new
int[this->m_nnumvertex];
int *node = new
int[this->m_nnumvertex];
for (int i=0; i<this->m_nnumvertex; i++){
visited[i] = 0;
node[i] = 0;
shotestpath[i] = this->GetWeight(v, i);
}
visited[v] = 1;
for (int i=1; i<this->m_nnumvertex; i++){
DistType min = this->m_Infinity;
int u=v;
for (int j=0; j<this->m_nnumvertex; j++){ //get the minimize weight
if (!visited[j] && shotestpath[j]<min){
min = shotestpath[j];
u = j;
}
}
visited[u] = 1;
for (int w=0; w<this->m_nnumvertex; w++){ //change the weight from v to other vertex
DistType weight = this->GetWeight(u, w);
if (!visited[w] && weight!=this->m_Infinity
&& shotestpath[u]+weight<shotestpath[w]){
shotestpath[w] = shotestpath[u] + weight;
}
}
}
delete[] visited;
delete[] node;
}
test.cpp
#include
<iostream>
using
namespace std;
#include
"Graph.h"
int main(){
Graph<char *, int> graph,graph2;
int shotestpath[7];
char *vertex[] = {"地大", "武大", "华科", "交大", "北大", "清华", "复旦"};
int edge[][3] = {{0, 1, 43}, {0, 2, 12}, {1, 2, 38}, {2, 3 ,1325}
,{3, 6, 55}, {4, 5, 34}, {4, 6, 248}};
for (int i=0; i<7; i++){
graph.InsertVertex(vertex[i]);
}
graph.Print();
cout << endl << endl <<endl;
for (int i=0; i<7; i++){
graph.InsertEdge(edge[i][0], edge[i][1], edge[i][2]);
graph.InsertEdge(edge[i][1], edge[i][0], edge[i][2]);
}
graph.Print();
cout << endl << endl <<endl;
graph.Dijkstra(0, shotestpath);
for (int i=0; i<7; i++){
cout << graph.GetValue(0) << "--->" << graph.GetValue(i)
<< ": " << shotestpath[i] <<endl;
}
cout << endl << endl <<endl;
graph.Prim(graph2);
cout << endl << endl <<endl;
graph.Removevertex(2);
graph.Print();
return 0;
}
18、排序
Data.h
template<typename Type> class Element{
public:
Type GetKey(){
return key;
}
void SetKey(Type item){
key = item;
}
public:
Element<Type>& operator =(Element<Type> copy){
key = copy.key;
return *this;
}
bool
operator ==(Element<Type> item){
return
this->key == item.key;
}
bool
operator !=(Element<Type> item){
return
this->key != item.key;
}
bool
operator <(Element<Type> item){
return
this->key < item.key;
}
bool
operator >(Element<Type> item){
return
this->key > item.key;
}
bool
operator >=(Element<Type> item){
return
this->key >= item.key;
}
bool
operator <=(Element<Type> item){
return
this->key <= item.key;
}
private:
Type key;
};
template<typename Type> class Sort;
template<typename Type> class DataList{
public:
friend
class Sort<Type>;
DataList(int size=m_nDefaultSize): m_nMaxSize(size), m_ncurrentsize(0){
m_pvector = new Element<Type>[size];
}
DataList(Type *data, int size);
bool Insert(Type item);
~DataList(){
delete[] m_pvector;
}
int Size(){
return
this->m_ncurrentsize;
}
void Swap(Element<Type> &left, Element<Type> &right){
Element<Type> temp = left;
left = right;
right = temp;
}
void Print();
private:
static
const
int m_nDefaultSize = 10;
Element<Type> *m_pvector;
const
int m_nMaxSize;
int m_ncurrentsize;
};
template<typename Type> DataList<Type>::DataList(Type *data, int size)
: m_nMaxSize(size > m_nDefaultSize ? size : m_nDefaultSize), m_ncurrentsize(0){
this->m_pvector = new Element<Type>[size];
for (int i=0; i<size; i++){
this->m_pvector[i].SetKey(data[i]);
}
this->m_ncurrentsize += size;
}
template<typename Type> bool DataList<Type>::Insert(Type item){
if (this->m_ncurrentsize == this->m_nMaxSize){
cerr << "The list is full!" <<endl;
return 0;
}
this->m_pvector[this->m_ncurrentsize++].SetKey(item);
}
template<typename Type> void DataList<Type>::Print(){
cout << "The list is:";
for (int i=0; i<this->m_ncurrentsize; i++){
cout << " " << this->m_pvector[i].GetKey();
}
}
QueueNode.h
#include
"QueueNode.h"
template<typename Type> class LinkQueue{
public:
LinkQueue():m_prear(NULL),m_pfront(NULL){}
~LinkQueue(){
MakeEmpty();
}
void Append(const Type item);
Type Delete();
Type GetFront();
void MakeEmpty();
bool IsEmpty() const{
return m_pfront==NULL;
}
void Print();
private:
QueueNode<Type> *m_prear,*m_pfront;
};
template<typename Type> void LinkQueue<Type>::MakeEmpty(){
QueueNode<Type> *pdel;
while(m_pfront){
pdel=m_pfront;
m_pfront=m_pfront->m_pnext;
delete pdel;
}
}
template<typename Type> void LinkQueue<Type>::Append(const Type item){
if(m_pfront==NULL){
m_pfront=m_prear=new QueueNode<Type>(item);
}
else{
m_prear=m_prear->m_pnext=new QueueNode<Type>(item);
}
}
template<typename Type> Type LinkQueue<Type>::Delete(){
if(IsEmpty()){
cout<<"There is no element!"<<endl;
exit(1);
}
QueueNode<Type> *pdel=m_pfront;
Type temp=m_pfront->m_data;
m_pfront=m_pfront->m_pnext;
delete pdel;
return temp;
}
template<typename Type> Type LinkQueue<Type>::GetFront(){
if(IsEmpty()){
cout<<"There is no element!"<<endl;
exit(1);
}
return m_pfront->m_data;
}
template<typename Type> void LinkQueue<Type>::Print(){
QueueNode<Type> *pmove=m_pfront;
cout<<"front";
while(pmove){
cout<<"--->"<<pmove->m_data;
pmove=pmove->m_pnext;
}
cout<<"--->rear"<<endl<<endl<<endl;
}
LinkQueue.h
#include
"QueueNode.h"
template<typename Type> class LinkQueue{
public:
LinkQueue():m_prear(NULL),m_pfront(NULL){}
~LinkQueue(){
MakeEmpty();
}
void Append(const Type item);
Type Delete();
Type GetFront();
void MakeEmpty();
bool IsEmpty() const{
return m_pfront==NULL;
}
void Print();
private:
QueueNode<Type> *m_prear,*m_pfront;
};
template<typename Type> void LinkQueue<Type>::MakeEmpty(){
QueueNode<Type> *pdel;
while(m_pfront){
pdel=m_pfront;
m_pfront=m_pfront->m_pnext;
delete pdel;
}
}
template<typename Type> void LinkQueue<Type>::Append(const Type item){
if(m_pfront==NULL){
m_pfront=m_prear=new QueueNode<Type>(item);
}
else{
m_prear=m_prear->m_pnext=new QueueNode<Type>(item);
}
}
template<typename Type> Type LinkQueue<Type>::Delete(){
if(IsEmpty()){
cout<<"There is no element!"<<endl;
exit(1);
}
QueueNode<Type> *pdel=m_pfront;
Type temp=m_pfront->m_data;
m_pfront=m_pfront->m_pnext;
delete pdel;
return temp;
}
template<typename Type> Type LinkQueue<Type>::GetFront(){
if(IsEmpty()){
cout<<"There is no element!"<<endl;
exit(1);
}
return m_pfront->m_data;
}
template<typename Type> void LinkQueue<Type>::Print(){
QueueNode<Type> *pmove=m_pfront;
cout<<"front";
while(pmove){
cout<<"--->"<<pmove->m_data;
pmove=pmove->m_pnext;
}
cout<<"--->rear"<<endl<<endl<<endl;
}
Sort.h
#include
"Data.h"
#include
"LinkQueue.h"
template<typename Type> class Sort{
public:
void InsertSort(DataList<Type> &list, int n=-1);
void BinaryInsertSort(DataList<Type> &list, int n=-1);
void ShellSort(DataList<Type> &list, const
int gap=-1);
void BubbleSort(DataList<Type> &list);
void QuickSort(DataList<Type> &list, int left=0, int right=-3);
void SelectSort(DataList<Type> &list);
void HeapSort(DataList<Type> &list);
void MergeSort(DataList<Type> &list);
void RadixSort(DataList<int> &list, int m, int d); //just use for integer!
private:
void BubbleSwap(DataList<Type> &list, const
int n, int &flag);
void SelectChange(DataList<Type> &list, const
int n);
void HeapAdjust(DataList<Type> &list, const
int start, const
int end);
void Merge(DataList<Type> &list, DataList<Type> &mergedlist, const
int len);
void MergeDouble(DataList<Type> &list, DataList<Type> &mergedlist, const
int start, const
int part, const
int end);
};
template<typename Type> void Sort<Type>::InsertSort(DataList<Type> &list, int n){
if (-1 == n){
for (int i=1; i<list.m_ncurrentsize; i++){
InsertSort(list, i);
}
return;
}
Element<Type> temp = list.m_pvector[n];
int i;
for (i=n; i>0; i--){
if (temp > list.m_pvector[i-1]){
break;
}
else{
list.m_pvector[i] = list.m_pvector[i-1];
}
}
list.m_pvector[i] = temp;
}
template<typename Type> void Sort<Type>::BinaryInsertSort(DataList<Type> &list, int n){
if (-1 == n){
for (int i=1; i<list.m_ncurrentsize; i++){
BinaryInsertSort(list, i);
}
return;
}
Element<Type> temp = list.m_pvector[n];
int left = 0, right = n-1;
while(left <= right){
int middle = (left + right) / 2;
if (temp < list.m_pvector[middle]){
right = middle - 1;
}
else {
left = middle + 1;
}
}
for (int i=n-1; i>=left; i--){
list.m_pvector[i+1] = list.m_pvector[i];
}
list.m_pvector[left] = temp;
}
template<typename Type> void Sort<Type>::ShellSort(DataList<Type> &list, const
int gap){
if (-1 == gap){
int gap = list.m_ncurrentsize / 2;
while (gap){
ShellSort(list, gap);
gap = (int)(gap / 2);
}
return;
}
for (int i=gap; i<list.m_ncurrentsize; i++){
InsertSort(list, i);
}
}
template<typename Type> void Sort<Type>::BubbleSwap(DataList<Type> &list, const
int n, int &flag){
flag = 0;
for (int i=list.m_ncurrentsize-1; i>=n; i--){
if (list.m_pvector[i-1] > list.m_pvector[i]){
list.Swap(list.m_pvector[i-1], list.m_pvector[i]);
flag = 1;
}
}
}
template<typename Type> void Sort<Type>::BubbleSort(DataList<Type> &list){
int flag = 1, n = 0;
while (++n<list.m_ncurrentsize && flag){
BubbleSwap(list, n, flag);
}
}
template<typename Type> void Sort<Type>::QuickSort(DataList<Type> &list, int left=0, int right=-1){
if (-3 == right){
right = list.m_ncurrentsize - 1;
}
if (left < right){
int pivotpos = left;
Element<Type> pivot = list.m_pvector[left];
for (int i=left+1; i<=right; i++){
if (list.m_pvector[i]<pivot && ++pivotpos!=i){
list.Swap(list.m_pvector[pivotpos], list.m_pvector[i]);
}
list.Swap(list.m_pvector[left], list.m_pvector[pivotpos]);
}
QuickSort(list, left, pivotpos-1);
QuickSort(list, pivotpos+1, right);
}
}
template<typename Type> void Sort<Type>::SelectChange(DataList<Type> &list, const
int n){
int j = n;
for (int i=n+1; i<list.m_ncurrentsize; i++){
if (list.m_pvector[i] < list.m_pvector[j]){
j = i;
}
}
if (j != n){
list.Swap(list.m_pvector[n], list.m_pvector[j]);
}
}
template<typename Type> void Sort<Type>::SelectSort(DataList<Type> &list){
for (int i=0; i<list.m_ncurrentsize-1; i++){
SelectChange(list, i);
}
}
template<typename Type> void Sort<Type>::HeapAdjust(DataList<Type> &list, const
int start, const
int end){
int current = start, child = 2 * current + 1;
Element<Type> temp = list.m_pvector[start];
while (child <= end){
if (child<end && list.m_pvector[child]<list.m_pvector[child+1]){
child++;
}
if (temp >= list.m_pvector[child]){
break;
}
else {
list.m_pvector[current] = list.m_pvector[child];
current = child;
child = 2 * current + 1;
}
}
list.m_pvector[current] = temp;
}
template<typename Type> void Sort<Type>::HeapSort(DataList<Type> &list){
for (int i=(list.m_ncurrentsize-2)/2; i>=0; i--){
HeapAdjust(list, i, list.m_ncurrentsize-1);
}
for (int i=list.m_ncurrentsize-1; i>=1; i--){
list.Swap(list.m_pvector[0], list.m_pvector[i]);
HeapAdjust(list, 0, i-1);
}
}
template<typename Type> void Sort<Type>::MergeDouble(DataList<Type> &list, DataList<Type> &mergedlist, const
int start, const
int part, const
int end){
int i = start, j = part + 1, k = start;
while (i<=part && j<=end){
if (list.m_pvector[i] <= list.m_pvector[j]){
mergedlist.m_pvector[k++] = list.m_pvector[i++];
}
else {
mergedlist.m_pvector[k++] = list.m_pvector[j++];
}
}
if (i <= part){
for (int m=i; m<=part && k<=end;){
mergedlist.m_pvector[k++] = list.m_pvector[m++];
}
}
else {
for (int m=j; m<=end && k<=end; m++){
mergedlist.m_pvector[k++] = list.m_pvector[m];
}
}
}
template<typename Type> void Sort<Type>::Merge(DataList<Type> &list, DataList<Type> &mergedlist, const
int len){
int n = 0;
while (n+2*len < list.m_ncurrentsize){
MergeDouble(list, mergedlist, n, n+len-1, n+2*len-1);
n += 2*len;
}
if (n+len < list.m_ncurrentsize){
MergeDouble(list, mergedlist, n, n+len-1, list.m_ncurrentsize-1);
}
else {
for (int i=n; i<list.m_ncurrentsize; i++){
mergedlist.m_pvector[i] = list.m_pvector[i];
}
}
}
template<typename Type> void Sort<Type>::MergeSort(DataList<Type> &list){
DataList<Type> temp(list.m_nMaxSize);
temp.m_ncurrentsize = list.m_ncurrentsize;
int len = 1;
while (len < list.m_ncurrentsize){
Merge(list, temp, len);
len *= 2;
Merge(temp, list, len);
len *= 2;
}
}
template<typename Type> void Sort<Type>::RadixSort(DataList<int> &list, int m, int d){
LinkQueue<int> *queue = new LinkQueue<int>[d];
int power = 1;
for (int i=0; i<m; i++){
if (i){
power = power * d;
}
for (int j=0; j<list.m_ncurrentsize; j++){
int k = (list.m_pvector[j].GetKey() / power) % d;
queue[k].Append(list.m_pvector[j].GetKey());
}
for (int j=0,k=0; j<d; j++){
while (!queue[j].IsEmpty()){
list.m_pvector[k++].SetKey(queue[j].Delete());
}
}
}
}
test.cpp
#include
<iostream>
using
namespace std;
#include
"Sort.h"
int main(){
int init[15]={1,3,5,7,4,2,8,0,6,9,29,13,25,11,32};
DataList<int> data(init, 15);
Sort<int> sort;
data.Print();
cout << endl << endl <<endl;
sort.InsertSort(data);
sort.BinaryInsertSort(data);
sort.ShellSort(data);
sort.BubbleSort(data);
sort.QuickSort(data);
sort.SelectSort(data);
sort.HeapSort(data);
sort.MergeSort(data);
sort.RadixSort(data, 2, 10);
data.Print();
return 0;
}
数据结构各种算法实现(C++模板)的更多相关文章
- 摘：数据结构各种算法实现(C++模板)
目 录 1.顺序表. 1 Seqlist.h 1 Test.cpp 6 2.单链表. 8 ListNode.h 8 SingleList.h 10 test.cpp 20 3.双向链表. 22 No ...
- 【数据结构与算法】二叉树的 Morris 遍历（前序、中序、后序）
前置说明 不了解二叉树非递归遍历的可以看我之前的文章[数据结构与算法]二叉树模板及例题 Morris 遍历 概述 Morris 遍历是一种遍历二叉树的方式,并且时间复杂度O(N),额外空间复杂度O(1 ...
- 《数据结构、算法及应用》9.(C++实施订单)
最近阅读<数据结构.算法及应用>这本书,书中的习题汇总,用自己的方法来实现这些问题.可能效率.等方面存在着非常多的问题,也可能是错误的实现.假设大家在看这本书的时候有更优更好的方法来实现, ...
- 数据结构 Sunday算法
Sunday算法是Daniel M.Sunday于1990年提出的字符串模式匹配算法.相对比较KMP和BM算法而言,简单了许多. Sunday算法的思想类似于BM算法中的坏字符思想,有点像其删减版.差 ...
- C++程序员面试题目总结(涉及C++基础、多线程多进程、网络编程、数据结构与算法)
说明:C++程序员面试题目总结(涉及C++基础知识.多线程多进程.TCP/IP网络编程.Linux操作.数据结构与算法) 内容来自作者看过的帖子或者看过的文章,个人整理自互联网,如有侵权,请联系作者 ...
- 重读《学习JavaScript数据结构与算法-第三版》-第2章 ECMAScript与TypeScript概述
定场诗 八月中秋白露,路上行人凄凉: 小桥流水桂花香,日夜千思万想. 心中不得宁静,清早览罢文章, 十年寒苦在书房,方显才高志广. 前言 洛伊安妮·格罗纳女士所著的<学习JavaScript数据 ...
- 数据结构和算法(Golang实现)(30)查找算法-2-3-4树和普通红黑树
文章首发于 阅读更友好的GitBook. 2-3-4树和普通红黑树 某些教程不区分普通红黑树和左倾红黑树的区别,直接将左倾红黑树拿来教学,并且称其为红黑树,因为左倾红黑树与普通的红黑树相比,实现起来较 ...
- 数据结构和算法(Golang实现)(29)查找算法-2-3树和左倾红黑树
某些教程不区分普通红黑树和左倾红黑树的区别,直接将左倾红黑树拿来教学,并且称其为红黑树,因为左倾红黑树与普通的红黑树相比,实现起来较为简单,容易教学.在这里,我们区分开左倾红黑树和普通红黑树. 红黑树 ...
- 开启基本数据结构和算法之路--初识Graphviz
在我的Linux刀耕开荒阶段,就想开始重拾C,利用C实现常用的基本数据结构和算法,而数据结构和算法的掌握的熟练程度正是程序的初学者与职业程序员的分水岭. 那么怎么开启这一段历程呢? 按照软件工程的思想 ...
随机推荐
- 图论篇3——最短路径 Dijkstra算法、Floyd算法
最短路径 问题背景:地图上有很多个城市,已知各城市之间距离(或者是所需时间,后面都用距离了),一般问题无外乎就是以下几个: 从某城市到其余所有城市的最短距离[单源最短路径] 所有城市之间相互的最短距离 ...
- matplotlib---插值画二维、三维图
一.画二维图 1.原始数据(x,y) import matplotlib.pyplot as plt import numpy as np #数据 X = np.array(list(i for i ...
- 第六篇 -- LINQ to XML
一.LINQ to XML常用成员 LINQ to XML的成员, 属性列表: 属性 说明 Document 获取此 XObject 的 XDocument EmptySequence 获取空的元 ...
- 201671010425邱世妍 团队评审&课程总结
实验十四 团队项目评审&课程学习总结 项目 内容 这个作业属于哪个课程 http://www.cnblogs.com/nwnu-daizh/ 这个作业的要求在哪里 https://www.cn ...
- js不常用，但很实用的功能
=============== 通知: 博主已迁至<掘金>码字,博客园可能以后不再更新,掘金地址:https://juejin.im/post/5a1a6a6551882534af25a8 ...
- python面试题&练习题之函数
1.写函数,接收两个数字参数,返回最大值例如:传入:10,20返回:20 def res_max(number1,number2): l1 = [] l1.append(number1) l1.app ...
- NSString+URLParser NSScanner
@implementation NSString (URLParser) -(NSDictionary*)parserToDict { NSScanner *scanner = [NSScanner ...
- input type=file实现图片上传
<label for="file"> <img src="images/morende.jpg" alt=""> & ...
- Nginx 优化配置
基本配置优化(优化后配置样例,可以改后直接上生产) 1 #头部配置 2 user nginx nginx; #定义nginx的启动用户,不建议使用root 3 worker_processes 4; ...
- 【09NOIP提高组】Hankson 的趣味题（信息学奥赛一本通 1856）（洛谷 1072）
题目描述 Hanks 博士是BT (Bio-Tech,生物技术) 领域的知名专家,他的儿子名叫Hankson.现在,刚刚放学回家的Hankson 正在思考一个有趣的问题.今天在课堂上,老师讲解了如何求 ...