简单排序. #include<cstdio> #include<cstring> #include<cmath> #include<vector> #include<map> #include<stack> #include<queue> #include<string> #include<iostream> #include<algorithm> using namespace std…

题意: 输入一个正整数N(<=101),接着输入N个学生的姓名,id和成绩.接着输入两个正整数X,Y(0<=X,Y<=100),逆序输出成绩在x,y之间的学生的姓名和id. trick: 测试点3格式错误因为输出的所有学生姓名和id后面都要换行,大概如果PAT没说不要输出多余的换行的话,就全都加个换行,说了就不加.....…

Given a list of N student records with name, ID and grade. You are supposed to sort the records with respect to the grade in non-increasing order, and output those student records of which the grades are in a given interval. Input Specification: Each…

简单DFS. #include<cstdio> #include<cstring> #include<cmath> #include<vector> #include<map> #include<queue> #include<stack> #include<algorithm> using namespace std; struct X { int id; int Father,Mother; int k;…

简单模拟. #include<cstdio> #include<cstring> #include<cmath> #include<vector> #include<map> #include<queue> #include<stack> #include<string> #include<algorithm> #include<iostream> using namespace std…

简单模拟. #include<cstdio> #include<cstring> #include<cmath> #include<map> #include<queue> #include<string> #include<algorithm> using namespace std; +; int N,a[maxn]; int ans[maxn]; int m,n; ][]; void f() { dir[][]=;d…

树状数组+离散化 #include<cstdio> #include<cstring> #include<cmath> #include<map> #include<algorithm> using namespace std; +; int a[maxn],ans[maxn],c[maxn],b[maxn]; int n; map<int,int>m; int lowbit(int x) { return x&(-x); }…

简单题. #include<cstdio> #include<cstring> #include<cmath> #include<vector> #include<map> #include<stack> #include<queue> #include<string> #include<iostream> #include<algorithm> using namespace std;…

读入之后先排序. 询问的时候可以o(m)效率得到答案. #include<cstdio> #include<cstring> #include<cmath> #include<queue> #include<vector> #include<string> #include<stack> #include<map> #include<algorithm> using namespace std; s…

素因子分解. #include<iostream> #include<cstring> #include<cmath> #include<algorithm> #include<cstdio> #include<map> #include<queue> #include<string> #include<stack> #include<vector> using namespace st…