思路: 每月有多少天是固定的,放到数组中,2月单独判断一下. import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int y = sc.nextInt(); int d = sc.nextInt(); int days[] = {31,28,31,30,31,30,31,31,30,31,30,31};…