Chieh's Blog

Because Of Coding

HDU 5150 Sum Sum Sum

Chieh posted @ 2014年12月27日 21:29 in BestCoder , 237 阅读

链接 http://acm.hdu.edu.cn/showproblem.php?pid=5150

Bestcoder的一道题。。。直接暴力即可。。。但是看见被hack的好多。。。原来是在1这里出了问题。。。后面几个题没几个做的出来。看来这场的题偏难了

/*
Author:Chieh
Grow up happy
*/
#include <iostream>
#include <cstdio>
#include <cstring>
#include <cmath>
#include <algorithm>
#include <queue>
#include <map>
#include <stack>
#include <vector>
#define LL long long
using namespace std;
const int maxn=1234;
int n;
int ai[maxn];
int bi[maxn];
void init()
{
    for(int i=1; i<=n; i++)scanf("%d",&bi[i]);
}
void play()
{
    int over=0;
    for(int i=1; i<=n; i++)
    {
        if(!ai[bi[i]])over+=bi[i];
    }
    printf("%d\n",over);
}
int main()
{
    memset(ai,0,sizeof(ai));
    for(int i=1; i<=1000; i++)
    {
        for(int j=2; j<i; j++)
        {
            if(i%j==0)ai[i]=1;
        }
    }
    while(scanf("%d",&n)!=EOF)
    {
        init();
        play();
    }
    return 0;
}
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