[백준] 14753 MultiMax - Brute Force / Java

• 문제 링크

14753번: MultiMax

 

• 풀이 과정

 

• 풀이 코드

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.Arrays;
import java.util.StringTokenizer;

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

        int n = Integer.parseInt(br.readLine());
        int[] arr = new int[n];

        StringTokenizer st = new StringTokenizer(br.readLine());
        for (int i = 0; i < n; i++)
            arr[i] = Integer.parseInt(st.nextToken());

        Arrays.sort(arr);

        int max = Math.max(arr[--n] * arr[n - 1] * arr[n - 2], Math.max(arr[n] * arr[1] * arr[0], Math.max(arr[n] * arr[n - 1], arr[0] * arr[1])));

        bw.write(String.valueOf(max));
        bw.flush();
    }

}