[数据结构与算法]Leetcode p1154一年有多少天

package leetcode;

import java.util.Scanner;

/**

• 一年中的第几天
  */
  public class P1154 {
  public static void main(String[] args) {
  //0为平年 1为闰年
  int[][] a = {{31,28,31,30,31,30,31,31,30,31,30,31},{31,29,31,30,31,30,31,31,30,31,30,31}};
  Scanner scanner = new Scanner(System.in);
  String date = scanner.nextLine();
  int year = Integer.parseInt(date.substring(0,4)); //获取年
  int month = Integer.parseInt(date.substring(5,7)); //获取月
  int day = Integer.parseInt(date.substring(8,10)); //获取日

   //判断闰年平年
   int switchded = 0;
   if (year % 4==0 && year %100 !=0 || year%400==0) {
       switchded = 1;
   }
  
   //总天数
   int sum = 0;
  
   //开始计算
   for (int i = 0; i < month-1; i++) {
       sum += a[switchded][i];
   }
   sum+=day;
  

  }
  }