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Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
316 Communism bitmasks dp trees Statement G Codeforces Global Round 12 {1450} PROGRAMMING 3750.0 Codeforces Global Round 12 Editorial
709 XOR and Distance bitmasks divide and conquer dp trees Statement H Harbour.Space Scholarship Contest 2021-2022 (open for everyone, rated, Div. 1 + Div. 2) {1553} PROGRAMMING 3750.0 Harbour.Space Scholarship Contest 2021-2022 (Div. 1 + Div. 2) Editorial
8074 Bakry and Partitioning bitmasks constructive algorithms dfs and similar dp graphs trees Statement C Codeforces Round 746 (Div. 2) {1592} PROGRAMMING 1500.0 95583
4720 Passable Paths (hard version) bitmasks data structures dfs and similar dp sortings trees Statement G2 Codeforces Round 805 (Div. 3) {1702} PROGRAMMING 104763
6051 Xor-Subsequence (easy version) bitmasks brute force dp strings trees Statement D1 Codeforces Round 815 (Div. 2) {1720} PROGRAMMING 1500.0 Codeforces Round #815 (Div. 2) Editorial
1867 Xor-Subsequence (hard version) bitmasks data structures dp strings trees Statement D2 Codeforces Round 815 (Div. 2) {1720} PROGRAMMING 1000.0 Codeforces Round #815 (Div. 2) Editorial
940 Algebra Flash bitmasks brute force dp graphs meet-in-the-middle trees Statement E Educational Codeforces Round 140 (Rated for Div. 2) {1767} PROGRAMMING 110225
3551 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
1438 PermuTree (hard version) bitmasks dp implementation trees Statement E2 Codeforces Round 890 (Div. 2) supported by Constructor Institute {1856} PROGRAMMING 1500.0 Codeforces Round #890 (Div. 2) Editorial
5583 Tree XOR bitmasks dfs and similar dp greedy trees Statement D Codeforces Round 899 (Div. 2) {1882} PROGRAMMING 2000.0 Codeforces Round 899 (Div. 2) Editorial
978 Construct Tree bitmasks constructive algorithms dp trees Statement F Codeforces Round 917 (Div. 2) {1917} PROGRAMMING 3000.0 Editorial of Codeforces Round 917 (Div. 2)
1717 Sasha and the Happy Tree Cutting bitmasks brute force dp fft graphs greedy trees Statement E Codeforces Round 926 (Div. 2) {1929} PROGRAMMING 2500.0 Codeforces Round #926 (Div. 2) Editorial.
1779 Fenwick Tree bitmasks brute force combinatorics data structures dp math trees Statement C Codeforces Round 942 (Div. 1) {1967} PROGRAMMING 1250.0 Tutorial 2300
343 Min-Fund Prison (Hard) bitmasks dfs and similar dp graphs trees Statement G3 Helvetic Coding Contest 2024 online mirror (teams allowed, unrated) {1970} PROGRAMMING Helvetic Coding Contest 2024 Editorial 2400
20161 Substring and Subsequence bitmasks brute force dp graphs greedy hashing strings trees Statement B Educational Codeforces Round 167 (Rated for Div. 2) {1989} PROGRAMMING Educational Codeforces Round 167 Editorial