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584 Gambling Nim bitmasks math matrices probabilities Statement A CROC 2016 - Final Round [Private, For Onsite Finalists Only] {662} PROGRAMMING Editorial for CROC 2016 Finals and Codeforces Round #347 2400
2808 Mahmoud and Ehab and yet another xor task bitmasks dp math matrices Statement F Codeforces Round 473 (Div. 2) {959} PROGRAMMING Codeforces round #473 editorial 2600
1174 Tree Weights bitmasks constructive algorithms data structures dfs and similar math matrices number theory trees Statement G Codeforces Round 884 (Div. 1 + Div. 2) {1844} PROGRAMMING 3500.0 Codeforces Round #884 (Div. 1 + Div. 2) Editorial
529 Homework bitmasks math matrices Statement D Codeforces Round 1021 (Div. 1) {2097} PROGRAMMING 2000.0 142316