add day 21

This commit is contained in:
timeshifter
2026-07-03 16:07:25 +02:00
parent 2ce82421c2
commit 672c7de41a
5 changed files with 304 additions and 0 deletions
+6
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[package]
name = "day21"
version = "0.1.0"
edition = "2024"
[dependencies]