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Forum Archive

Browse past weekly problems and explore the community's top challenges

Week 53, 2025

Completed

Dec 28 - Jan 3, 2026

Winner

how do i know if i learned something

by tom_abbot

0 problems0 votes

Week 52, 2025

Completed

Dec 21 - Dec 27, 2025

Winner

I have amnesia

by chris_royse

0 problems0 votes

Week 51, 2025

Completed

Dec 13 - Dec 20, 2025

0 problems0 votes

Week 50, 2025

Archived

Dec 9 - Dec 16, 2025

0 problems0 votes

Week 49, 2025

Archived

Dec 2 - Dec 9, 2025

0 problems0 votes

Week 2, 2024

Archived

Jan 7 - Jan 13, 2024

0 problems0 votes