bsq

BSQ - final project of 42 Piscine

This app detects biggest empty square.

Input

It receives a file which contains the following.

In the first line: the number of lines in the map, then the "empty" character, then the "obstacle", then the "full" character (without spaces in between).

In the next lines the data, consisting of "empty" and "obstacle" characters (and line breaks ofc).

Output

BSQ prints out the map that was in the file, filling the largest square with the "full" character.