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Problemset

50 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2215C	Oriented Journey bitmasks brute force communication constructive algorithms graphs interactive trees	2200	819
2196F	Indivisible brute force constructive algorithms graphs	3300	118
2158D	Palindrome Flipping brute force constructive algorithms graphs implementation shortest paths strings	2000	3.4k
2155D	Batteries brute force constructive algorithms graph matchings graphs interactive math	1800	6.2k
2131H	Sea, You & copriMe brute force constructive algorithms graphs greedy math number theory	2600	909
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2006F	Dora's Paint brute force combinatorics constructive algorithms graphs implementation	3500	173
1979F	Kostyanych's Theorem brute force constructive algorithms graphs interactive	2900	451
1948C	Arrow Path brute force constructive algorithms dfs and similar dp graphs shortest paths	1300	21.5k
1948E	Clique Partition brute force constructive algorithms graphs greedy implementation	2100	3.6k
1928E	Modular Sequence brute force constructive algorithms dp graphs greedy math number theory	2300	2.3k
1907G	Lights brute force constructive algorithms dfs and similar graphs greedy implementation	2200	2.4k
1879E	Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees	2400	1.6k
1867D	Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation	1800	6.9k
1817B	Fish Graph brute force constructive algorithms dfs and similar graphs	1900	5.2k
1815B	Sum Graph brute force constructive algorithms graphs implementation interactive shortest paths trees	2000	3.7k
1800E1	Unforgivable Curse (easy version) brute force constructive algorithms dsu graphs greedy strings	1400	15.9k
1800E2	Unforgivable Curse (hard version) brute force constructive algorithms dfs and similar dsu graphs greedy strings	1500	15.6k
1761E	Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers	2400	2.2k
1726D	Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees	2000	4.2k
1721F	Matching Reduction brute force constructive algorithms dfs and similar flows graph matchings graphs interactive	2800	641
1704E	Count Seconds brute force constructive algorithms dp graphs implementation math	2200	2.7k
1697E	Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math	2400	1.5k
1696F	Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees	2600	1.2k
1689E	ANDfinity bitmasks brute force constructive algorithms dfs and similar dsu graphs	2500	1.4k
1659E	AND-MEX Walk bitmasks brute force constructive algorithms dfs and similar dsu graphs	2200	2k
1647B	Madoka and the Elegant Gift brute force constructive algorithms graphs implementation	1200	17.2k
1580E	Railway Construction brute force constructive algorithms data structures graphs shortest paths	3400	126
1559D1	Mocha and Diana (Easy Version) brute force constructive algorithms dsu graphs greedy trees	1400	16.5k
1559D2	Mocha and Diana (Hard Version) brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers	2500	3.2k
1553E	Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math	2100	3.8k
1553G	Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory	2700	1.3k
1552D	Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math	1800	8k
1545C	AquaMoon and Permutations 2-sat brute force combinatorics constructive algorithms graph matchings graphs	2800	797
1511D	Min Cost String brute force constructive algorithms graphs greedy strings	1600	12.6k
1494F	Delete The Edges brute force constructive algorithms dfs and similar graphs implementation	2900	531
1487C	Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math	1500	15.6k
1486E	Paired Payment binary search brute force constructive algorithms dp flows graphs shortest paths	2200	3.5k
1481D	AB Graph brute force constructive algorithms graphs greedy implementation	2000	4.9k
1383D	Rearrange brute force constructive algorithms graphs greedy sortings	2800	836
1375G	Tree Modification brute force constructive algorithms dfs and similar graph matchings graphs trees	2800	2.3k
1333D	Challenges in school №41 brute force constructive algorithms games graphs greedy implementation sortings	2100	4.2k
1285E	Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers	2300	2k
1244D	Paint the Tree brute force constructive algorithms dp graphs implementation trees	1800	8.4k
1228D	Complete Tripartite brute force constructive algorithms graphs hashing implementation	1900	5.5k
1163E	Magical Permutation bitmasks brute force constructive algorithms data structures graphs math	2400	1.1k
1009D	Relatively Prime Graph brute force constructive algorithms graphs greedy math	1700	6.7k
402C	Searching for Graph brute force constructive algorithms graphs	1500	6.4k
350E	Wrong Floyd brute force constructive algorithms dfs and similar graphs	2200	881

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