[백준 10872] 팩토리얼

 

 

 

#include <iostream>
using namespace std;
 
int factorial(int N)
{
    if (N == 0)
    {
        return 1;
    }
    
        return N * factorial(N - 1);
}
 
int main()
{
    int result;
    int N;
    cin >> N;
 
    cout << factorial(N) << endl;
 
    return 0;
}

 

 

https://www.acmicpc.net/problem/10872

10872번: 팩토리얼

 

 

재귀함수 

 

https://min-zero.tistory.com/entry/C-%EA%B8%B0%EB%B3%B8-%EA%B3%B5%EB%B6%80%EC%A0%95%EB%A6%AC-11-3-%EC%9E%AC%EA%B7%80%ED%95%A8%EC%88%98Recursive-function

[C++ 기본 공부정리] 11-3. 재귀함수(recursive function)