[算法]Bobmer

package com.company;

import com.sun.org.apache.bcel.internal.generic.AASTORE;

import java.awt.*;
import java.awt.event.ItemEvent;
import java.util.*;
import java.util.List;

public class Main {
    static int N, S;

    static int[] R = new int[30];
    static int[] C = new int[30];

    static int[][] Zone = new int[50][50];
    static int Answer;

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int T = sc.nextInt();

        for(int test_case = 1; test_case <= T; test_case++) {
            /*
                 Read each test case from standard input.
             */
            N = sc.nextInt();
            S = sc.nextInt();

            for(int i=0; i<N; i++) {
                for(int j=0; j<N; j++) {
                    Zone[i][j] = 0;
                }
            }

            for(int i = 0; i < S; i++)
            {
                R[i] = sc.nextInt();
                C[i] = sc.nextInt();
            }

            /////////////////////////////////////////////////////////////////////////////////////////////
            /*
                Implement your algorithm from this section.
            */
            /////////////////////////////////////////////////////////////////////////////////////////////

            for (int i = 0; i < S; i++) {

                calExplosionArea(R[i], C[i]);
            }

            Answer = 0;
            for(int i=0; i<N; i++) {
                for(int j=0; j<N; j++) {
                    if (Zone[i][j] != 0 && Zone[i][j] > Answer) {
                        Answer = Zone[i][j];
                    }
                }
            }

            // Print the answer to standard output(screen).
            System.out.println("#" + test_case + " " + Answer);

    }}

        private static void calExplosionArea(int X, int Y) {
            //Zone[X][Y]++;
            if (X-1 >= 0) {
                Zone[X-1][Y]++;
                if (Y-1 >= 0) {
                    Zone[X-1][Y-1]++;
                }
                if (Y+1 <= N-1) {
                    Zone[X][Y+1]++;
                    Zone[X-1][Y+1]++;
                }
            }
            if ((X+1 <= N-1)) {
                Zone[X+1][Y]++;
                if (Y-1 >= 0) {
                    Zone[X+1][Y-1]++;
                    Zone[X][Y-1]++;
                }
                if (Y+1 <= N-1) {
                    Zone[X+1][Y+1]++;
                }
            }
        }

}