백준 11131 Balancing Weights [Java]

import java.util.*;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        int T = Integer.parseInt(br.readLine());
        for(int i=0; i<T; i++)
        {
            int left = 0, right = 0;
            int N = Integer.parseInt(br.readLine());
            StringTokenizer st = new StringTokenizer(br.readLine(), " ");
            for(int j=0; j<N; j++){
                int weight = Integer.parseInt(st.nextToken());
                if(weight < 0) left += -weight;
                else right += weight;
            }

            if(left > right) System.out.println("Left");
            else if(left == right) System.out.println("Equilibrium");
            else System.out.println("Right");

        }
        
    }
}