[백준] 27588 Restaurant Opening - Brute Force / Java

• 문제 링크

https://www.acmicpc.net/problem/27588

 

• 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 n = read(), m = read();
        int[][] mat = new int[n][m];
        for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) mat[i][j] = read();

        int min = Integer.MAX_VALUE;
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                int cnt = 0;
                for (int k = 0; k < n; k++)
                    for (int l = 0; l < m; l++) cnt += mat[k][l] * (Math.abs(i - k) + Math.abs(j - l));
                min = Math.min(min, cnt);
            }
        }

        bw.write(String.valueOf(min));
        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;
    }

}