Achievement: Solve a 1d problem

Solve a 1d problem

250 XP

Solve a 1d problem.

Recently completed by

nm1213 5k, Michiel Tel 1d, Dlogop_Mix 5k, BG.Pat 3k, Sans Francisco 3k, Барлас Муканов 3k, Viggattiba Boullybe 1d, ณัฐภณ มณีจํารัส 4k, MattNyte 1k, Маргарян Вардан 2k

and 1706 others.