http://acm.sdut.edu.cn/sdutoj/problem.php?action=showproblem&problemid=2500
思维呀 亲
代码:
#include<iostream>
#include<cstdio>
#include<cstring>
#include<string>
#include<map>
#include<vector>
#include<stack>
#include<queue>
#include<algorithm>
#define LL long long
using namespace std;
int main()
{
int T;
cin>>T;
while(T--)
{
LL n;
cin>>n;
LL ans=0;
LL tmp=5;
while(tmp<=n)
{
ans+=(n/tmp);
tmp*=5;
}
cout<<ans<<endl;
}
return 0;
}
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