题解 | #计算日期到天数转换#

import java.util.*;

public class Main{
    public static void main(String [] args){
        Scanner sc = new Scanner(System.in);
        String [] arr = sc.nextLine().split(" ");
        int years = Integer.parseInt(arr[0]);
        int [] mounth  = {31,28,31,30,31,30,31,31,30,31,30,31};
        if(years%400 == 0 || (years %4 == 0 && years %100!= 0)){
            mounth[1]=29;
        }
        int days = 0;
        int m = Integer.parseInt(arr[1]);
        for(int i = 0; i<m-1; i++){
            days+=mounth[i];
            
        }
        days+=Integer.parseInt(arr[2]);
        System.out.print(days);
        
    }
}