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; // write your code here...... for(int i=1;i<=n;i++) { factorial*=i; //一个个乘 } cout << factorial << endl; return 0; }