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akshaysaini716/hackerearth_factorial!.cpp

Created September 29, 2017 16:30
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hackerearth_factorial!.cpp
#include <iostream>
using namespace std;
int main()
{
// cout << "Hello World!" << endl;
long long n,sum=1;
cin>>n;
for(int i=1;i<=n;i++) sum *= i;
cout<<sum;
return 0;
}
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