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) {
// write your code here......
if (n == 0 || n == 1)
return 1;
else
return n * factorial(n - 1);
}
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