Advent of Code - 2025 Written in Kotlin. Quick navigation: Day 01 (source, test) Day 02 (source, test) Day 03 (source, test) Day 04 (source, test) Day 05 (source, test) Day 06 (source, test) Day 07 (source, test) Day 08 (source, test)\ Day 09 (source, test)
