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题目意思看了很久,才知道就是求n!后面0的个数。
#include<iostream>
using namespace std;
int main()
{
int t,n;
cin>>t;
for(int i=0;i<t;++i)
{
cin>>n;
int total=0;
for(int i=5;i<=n;i*=5)
total+=n/i;
cout<<total<<endl;
}
return 0;
}
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