递归求阶乘
听完课想试一下递归 第一遍就写对了 开心
样例
blablabla
C++ 代码
# include <cstdio>
# include <iostream>
using namespace std;
int fact(int n)
{
if (n == 1) return 1;
return n * fact(n-1);
}
int main()
{
int n, res;
cin >> n;
res = fact(n);
cout << res << endl;
}