package testaa;
import java.util.Scanner;
public class CountDay {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.print("输出今年是第几年:");
int year = scanner.nextInt();
System.out.print("输出今年是第几月:");
int month = scanner.nextInt();
System.out.print("输出今年是第几日:");
int day = scanner.nextInt();
int daysum = 0; // 天数
// 判断 闰年计算方法 口诀:四年一闰,百年不闰,四百年再闰
int[] month1; //声明数组
if (year % 400== 0||(year % 4== 0&&year%100!=0)) {
month1 = new int[]{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
}else{
month1 = new int[]{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
}
// 判断这一天是第几天
for (int i = 1; i <= month; i++) {
if ( i== 1) {
daysum = day;
} else {
daysum += month1[i - 2];
}
}
System.out.println("这一天是:"+year+"年"+month+"月"+day+"日");
System.out.println("这一天是这一年的第" + daysum + "天！");
}
}
