mines.d

import std.stdio;
import std.string;
import std.conv;
import std.array;
import std.range;

void times(int count, void delegate() cb) {
  for (int i = 0; i < count; ++i) {
    cb();
  }
}

alias char[][] Field;

char get(Field field, size_t x, size_t y) {
  if (x < 0 || y < 0 || x >= field[0].length || y >= field.length)
    return 0;
  if (field[y][x] == '*')
    return 1;
  return 0;
}

void main() {
  foreach(field_num; 1 .. int.max) {
    stdout.writefln("Field #%d:", field_num);

    auto dims = stdin.readln().strip.split();
    int rows = dims[0].to!int;
    int cols = dims[1].to!int;

    if (rows == 0)
      return;

    Field field;
    rows.times({ field ~= stdin.readln().strip.dup; });

    foreach (y, row; field) {
      foreach (x, ref cell; row) {
        if (cell == '*')
          continue;

        cell = cast(char)('0' +
          get(field, x-1, y-1) +
          get(field, x-1, y) +
          get(field, x-1, y+1) +
          get(field, x, y-1) +
          get(field, x, y+1) +
          get(field, x+1, y-1) +
          get(field, x+1, y) +
          get(field, x+1, y+1));
      }
    }

    stdout.writeln(field.join("\n"));
  }
}