ZZULIOJ 1129: 第几天，Java

1129: 第几天

import java.util.Scanner;
public class Main {
    
    
    static Scanner cin = new Scanner(System.in);
    static int []m = {
    
    0,31,28,31,30,31,30,31,31,30,31,30,31};
    public static void main(String[] args) {
    
    
        String []s=cin.next().split("-");
        int year=Integer.parseInt(s[0]);
        int month=Integer.parseInt(s[1]);
        int day=Integer.parseInt(s[2]);
        if(year%400==0||year%4==0&&year%100!=0)
            m[2]++;
        int sum=0;
        for(int i=1;i<month;i++) sum+=m[i];
        sum+=day;
        System.out.println(sum);
    }
}