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,,,, 최선이엇따,, 달과 일 수 입력받아서 남은 일수계산하기

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package java1;
import java.util.Scanner;
 
// 양수 5개를 입력받아 배열에 저장하고, 제일 큰 수를 출력하는 프로그램을 작성하여라, 
 
public class test {
    public static void main(String[] args) {
        
        Scanner scanner= new Scanner(System.in);
        
        // 월 - 일 입력
        // 월 - 일 부터 1년의 남은 날짜를 계산하는 프로그램
        // for- each 사용하지 않기.
 
        int[] days= {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
        int day= 0;
        int month= 0; 
        int user_month=0;
        int user_day= 0;
        int total_day =0; 
        int total= 0; 
        int last_total=0; 
 
        // 입력받은 월(인덱스값)-1 을 제거하고 해당 인덱스에서 입력받은 일수만큼 제거.> 나머지값출력 //284
        
        System.out.println("오늘은 몇월달인가요? ");
        user_month= scanner.nextInt();
        System.out.println("오늘은 며칠인가요? ");
        user_day= scanner.nextInt();
        
        
        for(int i=0; i<(user_month-1); i++) { // 유저가 입력한 값에 -1의 값과 같아질때까지 i를 계속 증가시켜라. 3을 입력했다면 2가 되야함. 인덱스 0(1월) 1(2월) 
            month+= days[i];}            // month에 days의 인덱스i값 증가치만큼 더해라.  이 때 일수로 저장된다.  // &&& 여기까지 59일 맞음ㅠㅜㅜㅠㅠㅠㅜ 
        
            for(int j=0; j<user_month; j++) {  //유저가 입력한 달.3과 j의 값이 같아질떄까지 j를 증가시켜서, j를 days의인덱스 값에 넣는다.  
                day= days[j];                        // &&&여기까지 31일 맞음 ㅠ후ㅠㅜㅜㅜㅜㅜㅠㅠㅠ
            }
                for(int k=0; k<days.length; k++) {   // 총 일수의 합에서 앞서 계산한것들을 뺴줘야하니까 총 일수 계산 
                    total_day +=days[k];            // ㅁㄴㅇㅁㄴㅇㅁㄴ 여기까지 365일 맞으ㅜㅁㅠㅜㅠㅠㅠㅠ
                }
                
                
                total= month+user_day; // 59일+15 = 74
                
                last_total= total_day-total; // 365 - 유저가입력한달의수,일의수
            
        System.out.print("남은 일수는"+last_total+" "+total);    
                
            }
            
        }
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