[백준] 23854 The Battle of Giants - Greedy / Java

• 문제 링크

https://www.acmicpc.net/problem/23854

 

• 풀이 코드

import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        StringBuilder sb = new StringBuilder();

        int a = read(), b = read();

        if (a % 3 == b % 3) sb.append(a / 3).append(" ").append(a % 3).append(" ").append(b / 3);
        else sb.append("-1");

        bw.write(sb.toString());
        bw.flush();
    }

    private static int read() throws IOException {
        int c, n = System.in.read() & 15;
        while ((c = System.in.read()) > 32) n = (n << 3) + (n << 1) + (c & 15);

        return n;
    }

}