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  1. public class Minesweeper { 
  2.     public static void main(String[] args) { 
  3.         int m = Integer.parseInt(args[0]);
  4.         int n = Integer.parseInt(args[1]);
  5.         double p = Double.parseDouble(args[2]);
  6.  
  7.         // game grid is [1..m][1..n], border is used to handle boundary cases
  8.         boolean[][] bombs = new boolean[m+2][n+2];
  9.         for (int i = 1; i <= m; i++)
  10.             for (int j = 1; j <= n; j++)
  11.                 bombs[i][j] = (Math.random() < p);
  12.  
  13.         // print game
  14.         for (int i = 1; i <= m; i++) {
  15.             for (int j = 1; j <= n; j++)
  16.                 if (bombs[i][j]) System.out.print("* ");
  17.                 else             System.out.print(". ");
  18.             System.out.println();
  19.         }
  20.  
  21.         // sol[i][j] = # bombs adjacent to cell (i, j)
  22.         int[][] sol = new int[m+2][n+2];
  23.         for (int i = 1; i <= m; i++)
  24.             for (int j = 1; j <= n; j++)
  25.                 // (ii, jj) indexes neighboring cells
  26.                 for (int ii = i - 1; ii <= i + 1; ii++)
  27.                     for (int jj = j - 1; jj <= j + 1; jj++)
  28.                         if (bombs[ii][jj]) sol[i][j]++;
  29.  
  30.         // print solution
  31.         System.out.println();
  32.         for (int i = 1; i <= m; i++) {
  33.             for (int j = 1; j <= n; j++) {
  34.                 if (bombs[i][j]) System.out.print("* ");
  35.                 else             System.out.print(sol[i][j] + " ");
  36.             }
  37.             System.out.println();
  38.         }
  39.  
  40.     }
  41. }
  42.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:1: error: class Minesweeper is public, should be declared in a file named Minesweeper.java
public class Minesweeper { 
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/0UOzFq
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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