[백준 10870] 피보나치 수 5

문제

 

 

풀이

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		sc.close();
		
		System.out.println(fibonacci(n));
	}
	
	public static int fibonacci(int n) {
		if (n == 0) return 0;
		if (n == 1) return 1;
		return fibonacci(n-2) + fibonacci(n-1);
	}
}

 

출처: https://www.acmicpc.net/problem/10870