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;
factorial *= n;
for (int i = 1; i < n - 1; i ++) {
factorial *= (n - i);
}
cout << factorial << endl;
return 0;
}
