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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; } Followed by:
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