Create TheBomberGame.java

algorithms/implementation/TheBomberGame.java

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+//https://www.hackerrank.com/challenges/bomber-man
+
+import java.util.Scanner;
+
+class TheBomberGame {
+	public static void main(String args[]) {
+		Scanner in = new Scanner(System.in);
+		int row = in.nextInt();
+		int col = in.nextInt();
+		char grid[][] = new char[row][col];
+		long n = in.nextLong();
+		String s;
+		// Take Input
+		for (int i = 0; i < row; i++) {
+			s = in.next();
+			for (int j = 0; j < col; j++) {
+				grid[i][j] = s.charAt(j);
+			}
+		}
+		if (n == 1) {
+			printGrid(grid, row, col);
+		} else if (n % 2 == 0) {
+			for (int i = 0; i < row; i++) {
+				for (int j = 0; j < col; j++) {
+					System.out.print('O');
+				}
+				System.out.println();
+			}
+		} else if ((n - 3) % 4 == 0) {
+			manipulateGrid(grid, row, col);
+			printGrid(grid, row, col);
+		} else {
+			manipulateGrid(grid, row, col);
+			manipulateGrid(grid, row, col);
+			printGrid(grid, row, col);
+		}
+
+	}
+
+	// Make Changes to grid
+	public static char[][] manipulateGrid(char[][] grid, int row, int col) {
+		for (int i = 0; i < row; i++) {
+			for (int j = 0; j < col; j++) {
+				if (grid[i][j] == 'O') {
+					grid[i][j] = '|';
+					if (i + 1 < row && grid[i + 1][j] != 'O')
+						grid[i + 1][j] = '|';
+					if (j + 1 < col && grid[i][j + 1] != 'O')
+						grid[i][j + 1] = '|';
+					if (i - 1 >= 0 && grid[i - 1][j] != 'O')
+						grid[i - 1][j] = '|';
+					if (j - 1 >= 0 && grid[i][j - 1] != 'O')
+						grid[i][j - 1] = '|';
+				}
+			}
+		}
+		for (int i = 0; i < row; i++) {
+			for (int j = 0; j < col; j++) {
+				if (grid[i][j] == '|') {
+					grid[i][j] = '.';
+				} else if (grid[i][j] == '.') {
+					grid[i][j] = 'O';
+				}
+			}
+		}
+		return grid;
+	}
+
+	// Print Grid
+	private static void printGrid(char[][] grid, int row, int col) {
+		for (int i = 0; i < row; i++) {
+			for (int j = 0; j < col; j++) {
+				System.out.print(grid[i][j]);
+			}
+			System.out.println();
+		}
+	}
+}