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108 Lookup Tables bitmasks Statement I Bubble Cup 13 - Finals [Online Mirror, unrated, Div. 1] {1423} PROGRAMMING FinalsEditorial2020.pdf
36599 And Then There Were K bitmasks Statement A Codeforces Round 721 (Div. 2) {1527} PROGRAMMING 500.0 Tutorial 800
17115 Co-growing Sequence bitmasks Statement D Codeforces Round 731 (Div. 3) {1547} PROGRAMMING Codeforces Round #731 (Div. 3) Editorial