Bayan 2015 Contest Warm Up D. CGCDSSQ (math,pair,map,暴力)
哎,只能转题解了,,,
8165031 | 2014-10-10 15:53:42 | njczy2010 | D - CGCDSSQ | GNU C++ | Accepted | 156 ms | 27584 KB |
8163765 | 2014-10-10 13:03:56 | njczy2010 | D - CGCDSSQ | GNU C++ | Time limit exceeded on test 10 | 2000 ms | 32600 KB |
8163761 | 2014-10-10 13:02:38 | njczy2010 | D - CGCDSSQ | GNU C++ | Time limit exceeded on test 10 | 2000 ms | 31600 KB |
8163755 | 2014-10-10 13:01:12 | njczy2010 | D - CGCDSSQ | GNU C++ | Wrong answer on test 9 | 46 ms | 19700 KB |
8163749 | 2014-10-10 12:59:54 | njczy2010 | D - CGCDSSQ | GNU C++ | Wrong answer on test 9 | 31 ms | 2100 KB |
2 seconds
256 megabytes
standard input
standard output
Given a sequence of integers a1, ..., an and q queries x1, ..., xq on it. For each query xi you have to count the number of pairs (l, r) such that 1 ≤ l ≤ r ≤ n and gcd(al, al + 1, ..., ar) = xi.
is a greatest common divisor of v1, v2, ..., vn, that is equal to a largest positive integer that divides all vi.
The first line of the input contains integer n, (1 ≤ n ≤ 105), denoting the length of the sequence. The next line contains n space separated integers a1, ..., an, (1 ≤ ai ≤ 109).
The third line of the input contains integer q, (1 ≤ q ≤ 3 × 105), denoting the number of queries. Then follows q lines, each contain an integer xi, (1 ≤ xi ≤ 109).
For each query print the result in a separate line.
3 2 6 3 5 1 2 3 4 6
1 2 2 0 1
7 10 20 3 15 1000 60 16 10 1 2 3 4 5 6 10 20 60 1000
14 0 2 2 2 0 2 2 1 1
题解以代码转自:http://blog.csdn.net/accelerator_/article/details/39892385
D:记录下gcd,每次多一个数字,就和前面的数字都取gcd,然后合并掉,下次利用这些已有的gcd去做,然后合并的过程要利用到gcd的递减性质,就可以直接从头往后找即可
#include<iostream>
#include<cstring>
#include<cstdlib>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<queue>
#include<map>
#include<set>
#include<string>
//#include<pair> #define N 1000005
#define M 1000005
#define mod 1000000007
//#define p 10000007
#define mod2 100000000
#define ll long long
#define LL long long
#define maxi(a,b) (a)>(b)? (a) : (b)
#define mini(a,b) (a)<(b)? (a) : (b) using namespace std; int n,q;
int a[N];
map<int,ll>ans;
typedef pair<int,ll>PP;
PP save[N];
int tot; int gcd(int x,int y)
{
if(y==)
return x;
return gcd(y,x%y);
} void ini()
{
int i;
ans.clear();
tot=;
for(i=;i<=n;i++){
scanf("%d",&a[i]);
}
} void solve()
{
int i,j;
int sn;
for(i=;i<=n;i++){
for(j=;j<tot;j++){
save[j].first=gcd(save[j].first,a[i]);
}
save[tot]=make_pair(a[i],);
tot++;
sn=;
for(j=;j<tot;j++){
if(save[sn].first==save[j].first){
save[sn].second+=save[j].second;
}
else{
sn++;
save[sn]=save[j];
}
}
sn++;
tot=sn;
for(j=;j<tot;j++){
ans[ save[j].first ]+=save[j].second;
}
}
} void out()
{
int x;
scanf("%d",&q);
while(q--){
scanf("%d",&x);
printf("%I64d\n",ans[x]);
}
} int main()
{
//freopen("data.in","r",stdin);
//freopen("data.out","w",stdout);
// scanf("%d",&T);
// for(int ccnt=1;ccnt<=T;ccnt++)
// while(T--)
while(scanf("%d",&n)!=EOF)
{
//if(n==0 && k==0 ) break;
//printf("Case %d: ",ccnt);
ini();
solve();
out();
} return ;
}
Bayan 2015 Contest Warm Up D. CGCDSSQ (math,pair,map,暴力)的更多相关文章
- Bayan 2015 Contest Warm Up D题(GCD)
D. CGCDSSQ time limit per test 2 seconds memory limit per test 256 megabytes input standard input ou ...
- map+pair Bayan 2015 Contest Warm Up D题
D. CGCDSSQ time limit per test 2 seconds memory limit per test 256 megabytes input standard input ou ...
- COCI2014/2015 Contest#1 D MAFIJA【基环树最大独立点集】
T1725 天黑请闭眼 Online Judge:COCI2014/2015 Contest#1 D MAFIJA(原题) Label:基环树,断环+树形Dp,贪心+拓扑 题目描述 最近天黑请闭眼在 ...
- 2018-2-6考试(COCI2014/2015 Contest#5)
T1:FUNGHI(1s,32M,50pts)得分:50 题意:给你8个数组成一个环,要你求出其中连续的4个数,让它们的和最大 题解:暴力求出每一连续4个数之和,比较一下就好 标签:模拟 C++ Co ...
- C++算法代码——求数列[coci2014/2015 contest #1]
题目来自:http://218.5.5.242:9018/JudgeOnline/problem.php?id=1815 题目描述 Mirko在数学课上以一种有趣的方式操作数列,首先,他写下一个数列A ...
- codeforces CF475 ABC 题解
Bayan 2015 Contest Warm Up http://codeforces.com/contest/475 A - Bayan Bus B - Strongly Connected Ci ...
- Gym 100952E&&2015 HIAST Collegiate Programming Contest E. Arrange Teams【DFS+剪枝】
E. Arrange Teams time limit per test:2 seconds memory limit per test:64 megabytes input:standard inp ...
- cf475A Bayan Bus
A. Bayan Bus time limit per test 2 seconds memory limit per test 256 megabytes input standard input ...
- 2015 浙江省赛 H - May Day Holiday
H - May Day Holiday As a university advocating self-learning and work-rest balance, Marjar Universit ...
随机推荐
- 贴一发STL源码
int my_lower_bound(int size, long long key){ int first = 0, middle; int half, len; len = si ...
- STL:string类中size()与length()的区别
结论是:两者没有任何区别 解释: C++Reference中对于两者的解释: 两者的具体解释都一模一样: 理解: length是因为C语言的习惯而保留下来的,string类最初只有length,引进S ...
- 第1节 flume:15、flume案例二,通过自定义拦截器实现数据的脱敏
1.7.flume案例二 案例需求: 在数据采集之后,通过flume的拦截器,实现不需要的数据过滤掉,并将指定的第一个字段进行加密,加密之后再往hdfs上面保存 原始数据与处理之后的数据对比 图一 ...
- git 不完全教程
概念 工作目录:当前所见,Working directory 暂存区域:以后要提交到仓库的文件,称为Index或者staging area Git 仓库:持久化存储快照的地方,HEAD指针所指向的地方 ...
- sessionStorage 的数据会在同一网站的多个标签页之间共享吗?这取决于标签页如何打开
一直以来,我所以为的 sessionStorage 的生命周期是这样的:在 sessionStorage 中存储的数据会在当前浏览器的同一网站的多个标签页中共享,并在此网站的最后一个标签页被关闭后清除 ...
- C\C++对于字符串输入处理
1.scanf scanf以%s格式符读入字符串,会以空格为结束,也就是无法将空格读入.如果换成%c就可以读入,但是无法一次性读入一整行字符. 2.fgets 显然,fgets是一个读取带空格字符串的 ...
- Template--模板
模板引擎的支持 配置 模板引擎配置为TEMPLATES设置.这是一个配置列表,每个引擎一个,默认值为空.这是settings.py生成的,通过startproject命令定义了一个更有用的值: TEM ...
- Objective-C urlEncode urlDecode
@interface NSString (stringByDecodingURLFormat) - (NSString *)stringByDecodingURLFormat; - (NSString ...
- LeetCode 637. Average of Levels in Binary Tree(层序遍历)
Given a non-empty binary tree, return the average value of the nodes on each level in the form of an ...
- WIN10配置MAVEN
添加新的系统环境变量M2_HOME, 并设置其值为你安装的目录MAVEN_HOME=D:\Softwares\apache-maven-3.2.2. 更新系统PATH 变量, 添加;%M2_HOME% ...