Койфман Давид Александрович
Vertelo
Ukraine
Joined Feb 5, 2022
Problems190
Submissions208
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Vertelo solved problem Smooth numbers (#1795) on 2 attempt1 year ago
Vertelo solved problem Marks Distribution (#1524) on 2 attempt1 year ago
Vertelo solved problem Dogs and monkeys (#8595) on first attempt1 year ago
Vertelo solved problem Anagram generation (#1533) on 10 attempt1 year ago
Vertelo solved problem License plate (#1290) on 3 attempt1 year ago
Vertelo solved problem n-digit numbers (#1288) on 8 attempt1 year ago
Vertelo solved problem Permutation of letters (#843) on 3 attempt1 year ago