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Add Antoine Mathys's solution to the 2025/ferguson fun challenge 4. #290

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Merged
lcn2 merged 2 commits into from
Jul 12, 2026
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Add Antoine Mathys's solution to the 2025/ferguson fun challenge 4. #290

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9d882db
Add Antoine Mathys's solution to the 2025/ferguson fun challenge 4.
antoine-mathys Jul 11, 2026
1ab6665
update 2025/challenge.html and sitemap
lcn2 Jul 12, 2026
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9 changes: 8 additions & 1 deletion 2025/challenge.md
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Expand Up @@ -327,7 +327,7 @@ with a `-p projection` option.
### Fun challenge 4 for [2025/ferguson](ferguson/index.html)
</div>

This fun challenge is still **OPEN**.
This fun challenge is **CLOSED**.

Explain why `d` has to start at `-1` (bonus: experiment with different values
and explain what happens and specifically why) and why you can't change
Expand All @@ -340,6 +340,13 @@ the `!=1` in the code:

**Hint**: the above are related to each other.

<div id="ferguson_4_solution">
#### Fun challenge solution for [2025/ferguson](ferguson/index.html)
</div>

[Antoine Mathys](https://github.com/antoine-mathys) on **2026 Jul 11** presented this
[2025/ferguson fun challenge 4 solution](https://github.com/antoine-mathys/IOCCC-2025-ferguson-fun-challenge-4).


<div id="howe">
## Fun challenge for [2025/howe](howe/index.html)
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