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 <iostream>
using namespace std;
int main() {
int n;
cin >> n;
long long factorial = 1;
int i;
for(i = n; i > 0;i--)
factorial = factorial * i;
cout << factorial << endl;
return 0;
}
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