[백준] 21312 홀짝 칵테일 - Implementation / Java

• 문제 링크

https://www.acmicpc.net/problem/21312

 

• 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));

        int a = read(), b = read(), c = read();
        if ((a & 1) == 0 && (b & 1) == 0 && (c & 1) == 0) bw.write(String.valueOf(a * b * c));
        else bw.write(String.valueOf(((a & 1) != 0 ? a : 1) * ((b & 1) != 0 ? b : 1) * ((c & 1) != 0 ? c : 1)));

        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;
    }

}