题解 | #计算日期到天数转换#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int year=in.nextInt();
        int month=in.nextInt();
        int day=in.nextInt();
        int months[]={31,28,31,30,31,30,31,31,30,31,30,31};
        if(year%4==0&&!(year%100==0)||year%400==0)months[1]=29;
        int res=0;
        for(int i=0;i<month-1;i++){
            res+=months[i];
        }
        System.out.println(res+day);
    }
}