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Problemset

103 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2236G	Criterion in Burlandia binary search bitmasks brute force data structures dfs and similar divide and conquer implementation trees two pointers	2600	385
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
2211E	Minimum Path Cover brute force dp greedy interactive math number theory trees	2500	1k
2183F	Jumping Man brute force combinatorics dfs and similar dp trees	2500	1.2k
2153F	Odd Queries on Odd Array bitmasks brute force data structures implementation trees	2900	337
2138C1	Maple and Tree Beauty (Easy Version) brute force dfs and similar dp graphs trees	1800	5.7k
2138C2	Maple and Tree Beauty (Hard Version) bitmasks brute force dfs and similar dp fft trees	2000	3.6k
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
2107D	Apple Tree Traversing brute force dfs and similar greedy implementation trees	2100	3.6k
2064D	Eating binary search bitmasks brute force data structures dp greedy trees two pointers	1900	6k
2063C	Remove Exactly Two brute force data structures dfs and similar dp graphs greedy sortings trees	1600	15.1k
2048F	Kevin and Math Class brute force data structures divide and conquer dp implementation math trees	2500	1.3k
2042E	Vertex Pairs binary search brute force data structures dfs and similar divide and conquer greedy implementation trees	2900	535
2040D	Non Prime Tree brute force constructive algorithms dfs and similar greedy number theory trees two pointers	1900	5.9k
2035F	Tree Operations binary search brute force dfs and similar dp trees	2500	1.1k
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
2018C	Tree Pruning brute force dfs and similar greedy sortings trees	1700	10.2k
2013F1	Game in Tree (Easy Version) binary search brute force data structures dp games greedy implementation trees	2700	679
2006B	Iris and the Tree brute force data structures dfs and similar dsu math trees	1800	4.4k
2006E	Iris's Full Binary Tree brute force data structures dfs and similar trees	3100	328
2002D1	DFS Checker (Easy Version) brute force data structures dfs and similar graphs hashing trees	1900	5.2k
2001C	Guess The Tree binary search brute force dfs and similar divide and conquer dsu greedy interactive trees	1500	13.1k
1988D	The Omnipotent Monster Killer brute force dfs and similar dp trees	2000	6.1k
1987E	Wonderful Tree! brute force data structures dfs and similar dsu greedy trees	2000	4.2k
1983G	Your Loss bitmasks brute force dp trees	3000	325
1975D	Paint the Tree brute force dfs and similar dp greedy shortest paths trees	1700	7.6k
1970A2	Balanced Unshuffle (Medium) brute force constructive algorithms trees	2400	621
1970G2	Min-Fund Prison (Medium) brute force dfs and similar dp graphs trees	2200	907
1967C	Fenwick Tree bitmasks brute force combinatorics data structures dp math trees	2300	2.3k
1950F	0, 1, 2, Tree! bitmasks brute force greedy implementation trees	1700	11.5k
1948G	MST with Matching bitmasks brute force dsu graph matchings trees	3100	976
1929E	Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees	2300	2.1k
1929F	Sasha and the Wedding Binary Search Tree brute force combinatorics data structures dfs and similar math trees	2300	2.4k
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
1878G	wxhtzdy ORO Tree binary search bitmasks brute force data structures dfs and similar implementation trees	2300	1.5k
1876G	Clubstep binary search brute force data structures greedy trees	3500	295
1858E1	Rollbacks (Easy Version) brute force data structures dfs and similar trees	2500	1.7k
1830D	Mex Tree brute force dp trees	2800	956
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
1806E	Tree Master brute force data structures dfs and similar trees	2200	3.5k
1805E	There Should Be a Lot of Maximums brute force data structures dfs and similar dp trees two pointers	2300	2k
1797D	Li Hua and Tree brute force data structures dfs and similar dp implementation trees	1900	4.7k
1790F	Timofey and Black-White Tree brute force dfs and similar divide and conquer graphs greedy math shortest paths trees	2100	4.2k
1787G	Colorful Tree Again brute force data structures trees	3000	628
1774G	Segment Covering brute force combinatorics constructive algorithms data structures dp trees	3200	692
1771D	Hossam and (sub-)palindromic tree brute force data structures dfs and similar dp strings trees	2100	3.3k
1767E	Algebra Flash bitmasks brute force dp graphs math meet-in-the-middle trees	2500	1.3k
1764F	Doremy's Experimental Tree brute force constructive algorithms dfs and similar dsu sortings 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
1720D1	Xor-Subsequence (easy version) bitmasks brute force dp strings trees two pointers	1800	6.8k
1709F	Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees	2500	729
1698E	PermutationForces II brute force combinatorics greedy sortings trees two pointers	2300	1.9k
1696F	Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees	2600	1.2k
1695D1	Tree Queries (Easy Version) brute force constructive algorithms dfs and similar dp greedy trees	2200	2.5k
1661E	Narrow Components brute force data structures dp dsu math trees	2500	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
1606F	Tree Queries brute force dp trees	2800	781
1594E2	Rubik's Cube Coloring (hard version) brute force dp implementation math trees	2300	1.7k
1593E	Gardener and Tree brute force data structures dfs and similar greedy implementation trees	1600	15.1k
1580B	Mathematics Curriculum brute force combinatorics dp trees	2600	1.4k
1580D	Subsequence brute force divide and conquer dp greedy trees	2900	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
1551F	Equidistant Vertices brute force combinatorics dfs and similar dp trees	2200	2.2k
1540B	Tree Array brute force combinatorics dp graphs math probabilities trees	2300	3.1k
1523C	Compression and Expansion brute force data structures greedy implementation trees	1600	9.2k
1511C	Yet Another Card Deck brute force data structures implementation trees	1100	34.4k
1508C	Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees	2500	1.8k
1508E	Tree Calendar brute force constructive algorithms data structures dfs and similar sortings trees	3100	453
1491E	Fib-tree brute force dfs and similar divide and conquer number theory trees	2400	2.4k
1479D	Odd Mineral Resource binary search bitmasks brute force data structures probabilities trees	2900	1.4k
1444E	Finding the Vertex brute force dfs and similar dp interactive trees	3500	171
1375G	Tree Modification brute force constructive algorithms dfs and similar graph matchings graphs trees	2800	2.3k
1311E	Construct the Binary Tree brute force constructive algorithms trees	2200	2.9k
1285D	Dr. Evil Underscores bitmasks brute force dfs and similar divide and conquer dp greedy strings trees	1900	8.7k
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
1109D	Sasha and Interesting Fact from Graph Theory brute force combinatorics dp math trees	2400	1.5k
1025D	Recovering BST brute force dp math number theory trees	2100	4.3k
986E	Prince's Problem brute force data structures math number theory trees	2800	957
982D	Shark brute force data structures dsu trees	1900	2.5k
979D	Kuro and GCD and XOR and SUM binary search bitmasks brute force data structures dp dsu greedy math number theory strings trees	2200	2.3k
960D	Full Binary Tree Queries brute force implementation trees	2100	2k
894D	Ralph And His Tour in Binary Country brute force data structures trees	2200	1.2k
852I	Dating brute force dfs and similar graphs trees	2300	786
815C	Karen and Supermarket brute force dp trees	2400	3.5k
804D	Expected diameter of a tree binary search brute force dfs and similar dp sortings trees	2500	1.6k
778C	Peterson Polyglot brute force dfs and similar dsu hashing strings trees	2500	1k
754E	Dasha and cyclic table bitmasks brute force fft strings trees	2600	601
696A	Lorenzo Von Matterhorn brute force data structures implementation trees	1500	6.5k
632F	Magic Matrix brute force divide and conquer graphs matrices trees	2400	1.3k
463E	Caisa and Tree brute force dfs and similar math number theory trees	2100	1.8k

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