题解 | #计算一个数的阶乘#
计算一个数的阶乘
https://www.nowcoder.com/practice/b0423a89826c4d68a3e8b9832a6a1f49
#include<bits/stdc++.h> using namespace std; int main() { int n; cin>>n; long int sum=n; for(int i=1;i<=n-1;i++) { sum=sum*(n-i); } cout<<sum<<endl; return 0; }