Achievement: Solve 10 1d problems
Solve 10 1d problems
500 XP
Solve 10 1d problems.
128 users completed this achievement.
Completed by Михаил, serafim123, tmangmeetrakul@gmail.com, Ondrica, Rafael Ruiz Moreno, Djab, Sandpet , d4rkm4tter, Stepan, sdg and more.