题解 | 牛牛学数列5

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int p = in.nextInt();
        int d = Find(p);
        System.out.println(d);
    }

    public static int Find(int p) {
        if (p == 0) {
            return 0;
        } else if (p == 1) {
            return 1;
        } else {
            return Find(p - 1) + Find(p - 2);
        }
    }
}