XOXO∞

Balanced diversity solver xoxo to the square.

Third party dependencies are documented in the folder third-party.

Bug Tracker∞

Feature requests and bug reports are best entered in the todos of xoxo.

Primary Source repository∞

The main source of xoxo is on a mountain in central Switzerland. We use distributed version control (git). There is no central hub. Every clone can become a new source for the benefit of all. The preferred public clones of xoxo are:

on codeberg - a democratic community-driven, non-profit software development platform operated by Codeberg e.V.
at sourcehut - a collection of tools useful for software development.

Example∞

Given the input file:

❯ cat test/fixtures/grid_s_1.txt
O
X
OX   X
 XX
   OO
XXO

for clarity showing the dump to expose the regularity:

❯ xxd -c 7 test/fixtures/grid_s_1.txt
00000000: 4f20 2020 2020 0a  O     .
00000007: 5820 2020 2020 0a  X     .
0000000e: 4f58 2020 2058 0a  OX   X.
00000015: 2058 5820 2020 0a   XX   .
0000001c: 2020 204f 4f20 0a     OO .
00000023: 5858 4f20 2020 0a  XXO   .

xoxo will try to solve the puzzle in a diverse but balanced way:

❯ xoxo test/fixtures/grid_s_1.txt
Problem:

,---+---+---+---+---+---,
| O |   |   |   |   |   |  1
|---+---+---+---+---+---|
| X |   |   |   |   |   |  2
|---+---+---+---+---+---|
| O | X |   |   |   | X |  3
|---+---+---+---+---+---|
|   | X | X |   |   |   |  4
|---+---+---+---+---+---|
|   |   |   | O | O |   |  5
|---+---+---+---+---+---|
| X | X | O |   |   |   |  6
*---+---+---+---+---+---*
  1   2   3   4   5   6


Solution:

,---+---+---+---+---+---,
| O | O | X | O | X | X |  1
|---+---+---+---+---+---|
| X | O | O | X | X | O |  2
|---+---+---+---+---+---|
| O | X | O | X | O | X |  3
|---+---+---+---+---+---|
| O | X | X | O | X | O |  4
|---+---+---+---+---+---|
| X | O | X | O | O | X |  5
|---+---+---+---+---+---|
| X | X | O | X | O | O |  6
*---+---+---+---+---+---*
  1   2   3   4   5   6