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Epitech Project 2021
B1 - Elementary Programming in C
B-CPE-110

{EPITECH} - BSQ

find the Biggest SQuare (1D Array Version)

Coding Style

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Coverage: 74%


Content

binary name: bsq
language: C
build tool: via Makefile, including re, all, clean, fclean [my_tests, tests_run, cover, tests_file] rules

Authorized Functions

The only system calls allowed are the following ones:

  • open
  • read
  • write
  • close
  • malloc
  • free
  • stat

Goal

You must find the largest possible square on a board while avoiding obstacles.
The board is represented by a file passed as the program’s argument. The file is valid if it is respecting those constraints:

  • its first line contains the number of lines on the board (and only that),
  • “.” (representing an empty place) and “o” (representing an obstacle) are the only two characters for the other lines,
  • all of the lines are of the same length (except the first one),
  • it contains at least one line,
  • each line is terminated by ‘\n’.

You program must print the board, with some “.” replaced by “x” to represent the largest square you found.

If ever there are several solutions, you have to represent only the highest square.
If they are still several solutions, choose the square to the left.

Examples

∼/B-CPE-110> cat -e example_file
9$
...........................$
....o......................$
............o..............$
...........................$
....o......................$
..............o............$
...........................$
......o..............o.....$
..o.......o................$
∼/B-CPE-110> ./bsq example_file
.....xxxxxxx................
....oxxxxxxx................
.....xxxxxxxo...............
.....xxxxxxx................
....oxxxxxxx................
.....xxxxxxx...o............
.....xxxxxxx................
......o...............o.....
..o.......o.................

It’s definitely a square, even if visually it doesn’t look like one.


Code rédigé selon la norme Epitech (promo 2026).

Recopier ce repo revient au vol de code.
Autrement dit, -42