题解 | 函数实现计算一个数的阶乘
函数实现计算一个数的阶乘
https://www.nowcoder.com/practice/df78ded035574202945d077cb619d0e7
#include <iostream>
using namespace std;
long long factorial(int n);
int main() {
int n;
cin >> n;
cout << factorial(n) << endl;
return 0;
}
long long factorial(int n) {
if(n<=1){
return 1;//递归一定记得写终止条件
}
return n*factorial(int (n-1));// write your code here......
}
