백준 2309 Java 자바

https://www.acmicpc.net/problem/2309

2309번: 일곱 난쟁이

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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;

 
public class Main {
 
	public static void main(String[] args)throws IOException{
			
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		ArrayList<Integer> lst = new ArrayList<Integer>();
		for(int i=0;i<9;i++) {
			lst.add(Integer.parseInt(br.readLine()));
		}
		
		int total=0,a=0,b=0,i=0,j = 0;
		for(i=0;i<9;i++) {
			total+=lst.get(i);
		}
		
		for(i=0;i<8;i++) {
			for(j=i+1;j<9;j++) {
				if(total-lst.get(i)-lst.get(j)==100) {
					a=lst.get(i);
					b=lst.get(j);
					break;

				}
			}
		}
	
		
		Collections.sort(lst);
		for(int e : lst) {
			if(e==a||e==b)
				continue;
			System.out.println(e);
		}
		
	}
}