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Problemset

34 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2222G	Statistics on Tree binary search brute force dfs and similar divide and conquer graphs trees	3100	215
2215C	Oriented Journey bitmasks brute force communication constructive algorithms graphs interactive trees	2200	819
2138C1	Maple and Tree Beauty (Easy Version) brute force dfs and similar dp graphs trees	1800	5.7k
2127H	23 Rises Again brute force dfs and similar dp flows graph matchings graphs greedy implementation probabilities trees	3100	1.9k
2126F	1-1-1, Free Tree! brute force data structures dfs and similar graphs implementation trees	2000	4.4k
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2063C	Remove Exactly Two brute force data structures dfs and similar dp graphs greedy sortings trees	1600	15.1k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2020D	Connect the Dots brute force dp dsu graphs math trees	1800	7.6k
2002D1	DFS Checker (Easy Version) brute force data structures dfs and similar graphs hashing trees	1900	5.2k
1970G2	Min-Fund Prison (Medium) brute force dfs and similar dp graphs trees	2200	907
1929E	Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees	2300	2.1k
1914G1	Light Bulbs (Easy Version) brute force combinatorics dfs and similar dp dsu graphs math trees	2100	2.5k
1889D	Game of Stacks brute force dfs and similar graphs implementation trees	3000	982
1879E	Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees	2400	1.6k
1822F	Gardening Friends brute force dfs and similar dp graphs trees	1700	7.8k
1815B	Sum Graph brute force constructive algorithms graphs implementation interactive shortest paths trees	2000	3.7k
1790F	Timofey and Black-White Tree brute force dfs and similar divide and conquer graphs greedy math shortest paths trees	2100	4.2k
1767E	Algebra Flash bitmasks brute force dp graphs math meet-in-the-middle trees	2500	1.3k
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
1709F	Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees	2500	729
1696F	Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees	2600	1.2k
1625E1	Cats on the Upgrade (easy version) brute force data structures dfs and similar divide and conquer dp graphs trees	2500	1.2k
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
1540B	Tree Array brute force combinatorics dp graphs math probabilities trees	2300	3.1k
1508C	Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees	2500	1.8k
1375G	Tree Modification brute force constructive algorithms dfs and similar graph matchings graphs trees	2800	2.3k
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
852I	Dating brute force dfs and similar graphs trees	2300	786
632F	Magic Matrix brute force divide and conquer graphs matrices trees	2400	1.3k
343E	Pumping Stations brute force dfs and similar divide and conquer flows graphs greedy trees	2900	960

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