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36817 Dreamoon and WiFi bitmasks brute force combinatorics dp math probabilities Statement B Codeforces Round 272 (Div. 2) {476} PROGRAMMING 1300
1415 Sports Betting bitmasks combinatorics dp graphs math probabilities Statement F Deltix Round, Summer 2021 (open for everyone, rated, Div. 1 + Div. 2) {1556} PROGRAMMING 2500.0 94384 2500
4660 Score of a Tree bitmasks combinatorics dfs and similar dp probabilities trees Statement D Codeforces Round 845 (Div. 2) and ByteRace 2023 {1777} PROGRAMMING 2000.0 Codeforces Round #845 (Div. 2) and ByteRace 2023 Editorial
1225 Prime Gaming (Hard Version) bitmasks combinatorics dp probabilities Statement E2 Codeforces Round 1049 (Div. 2) {2140} PROGRAMMING 1000.0 Codeforces Round 1049 (Div. 2) Editorial
589 Interval Game bitmasks combinatorics dp games greedy math probabilities Statement F Codeforces Round 1091 (Div. 2) and CodeCraft 26 {2217} PROGRAMMING 2750.0