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;
for (int i = 1; i <= n; i++) {
if (n >= 1 && n <= 20)
{
factorial*= i;
}
}
cout << factorial << endl;
return 0;
}
