Хайкин Давид
Hikin8A
Ukraine
Joined Jan 14, 2015
Problems61
Submissions65
Hikin8A has joined contest Eolymp Cup #110 months ago
Hikin8A has joined contest Weekend Practice #11 year ago
Hikin8A has joined contest ARIO 2024, Semifinals, 8-9 grades1 year ago
Hikin8A solved problem N-digit numbers (#9) on first attempt1 year ago