[SWEA] 2056. 연월일 달력_JAVA

https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5QLkdKAz4DFAUq 

SW Expert Academy

 

import java.util.Arrays;
import java.util.Scanner;
 
public class Solution {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int[] days= {31,28,31,30,31,30,31,31,30,31,30,31};
        int t=sc.nextInt();
        for(int i=0;i<t;i++) {
            String s=sc.next();
            String year=s.substring(0,4);
            String month=s.substring(4,6);
            String day=s.substring(6,8);
            if(Integer.parseInt(month)>=1 && Integer.parseInt(month)<=12 && Integer.parseInt(day)>=0
                    && Integer.parseInt(day)<=days[Integer.parseInt(month)-1])
                System.out.println("#"+(i+1)+" "+year+"/"+month+"/"+day);
            else {
                System.out.println("#"+(i+1)+" -1");
            }       
        }
    }
}