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Problemset

171 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2247E	Build a Tree constructive algorithms trees two pointers	unrated	864
2218F	The 67th Tree Problem constructive algorithms implementation trees	1500	9k
2215C	Oriented Journey bitmasks brute force communication constructive algorithms graphs interactive trees	2200	819
2210D	A Simple RBS Problem constructive algorithms math strings trees	2100	2.3k
2208D1	Tree Orientation (Easy Version) constructive algorithms dfs and similar dsu graphs greedy matrices trees	1800	4.8k
2207H1	Bowser's Castle (Easy Version) binary search constructive algorithms divide and conquer greedy interactive trees	unrated	60
2207H2	Bowser's Castle (Medium Version) constructive algorithms divide and conquer interactive trees two pointers	unrated	51
2207H3	Bowser's Castle (Hard Version) constructive algorithms divide and conquer interactive trees two pointers	unrated	69
2183D1	Tree Coloring (Easy Version) constructive algorithms dfs and similar greedy trees	1500	9.3k
2183D2	Tree Coloring (Hard Version) combinatorics constructive algorithms data structures dfs and similar greedy implementation trees	2100	2.6k
2179F	Blackslex and Another RGB Walking communication constructive algorithms graphs interactive number theory trees	2000	2.9k
2171F	Rae Taylor and Trees (hard version) binary search constructive algorithms data structures dp dsu greedy implementation trees	1600	7.6k
2165E	Rainbow Branch constructive algorithms dp greedy trees	3200	416
2164G	Pointless Machine constructive algorithms graphs interactive trees	3300	249
2162G	Beautiful Tree constructive algorithms math probabilities trees	2200	2.9k
2154D	Catshock constructive algorithms dfs and similar graphs trees two pointers	1900	5k
2150F	Cycle Closing constructive algorithms graphs implementation shortest paths trees	3000	224
2146D1	Max Sum OR (Easy Version) bitmasks constructive algorithms divide and conquer greedy trees	1500	11.2k
2134D	Sliding Tree constructive algorithms dfs and similar greedy implementation trees	2300	3.8k
2133E	I Yearned For The Mines constructive algorithms dfs and similar dp greedy trees	2500	1.8k
2127E	Ancient Tree constructive algorithms data structures dfs and similar dsu greedy trees	2100	4.4k
2124I	Lexicographic Partition constructive algorithms math trees	3500	360
2120C	Divine Tree constructive algorithms greedy math sortings trees	1400	13k
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2112D	Reachability and Tree constructive algorithms dfs and similar graphs trees	1700	9.8k
2108E	Spruce Dispute constructive algorithms dfs and similar graphs greedy implementation shortest paths trees	2600	922
2107E	Ain and Apple Tree binary search constructive algorithms greedy math trees	2600	957
2106G1	Baudelaire (easy version) binary search constructive algorithms divide and conquer greedy interactive trees	2200	1.7k
2081D	MST in Modulo Graph constructive algorithms dsu graphs greedy math number theory sortings trees	2600	1.2k
2071C	Trapmigiano Reggiano constructive algorithms data structures dfs and similar dp greedy sortings trees	1700	9.9k
2040D	Non Prime Tree brute force constructive algorithms dfs and similar greedy number theory trees two pointers	1900	5.9k
2032D	Genokraken constructive algorithms data structures graphs greedy implementation interactive trees two pointers	1800	6.3k
2029D	Cool Graph constructive algorithms data structures dfs and similar dsu graphs greedy trees	1900	4k
2025F	Choose Your Queries constructive algorithms dfs and similar dp graphs greedy trees	2700	1.1k
2006A	Iris and Game on the Tree constructive algorithms dfs and similar games graphs greedy trees	1700	9.8k
1994D	Funny Game constructive algorithms dsu graphs greedy math number theory trees	1900	7.7k
1994F	Stardew Valley constructive algorithms dfs and similar graphs trees	2500	1.6k
1970A2	Balanced Unshuffle (Medium) brute force constructive algorithms trees	2400	621
1970A3	Balanced Unshuffle (Hard) constructive algorithms trees	2400	688
1943C	Tree Compass constructive algorithms dfs and similar greedy trees	2300	2.7k
1939B	Evidence Board *special constructive algorithms dfs and similar graphs trees	unrated	308
1935F	Andrey's Tree binary search constructive algorithms data structures dfs and similar dsu greedy implementation trees	2800	634
1930H	Interactive Mex Tree constructive algorithms dfs and similar interactive trees	3300	379
1919D	01 Tree constructive algorithms data structures dsu greedy sortings trees	2100	4.6k
1919G	Tree LGM constructive algorithms divide and conquer games trees	3500	219
1917F	Construct Tree bitmasks constructive algorithms dp trees	2500	1.3k
1899F	Alex's whims constructive algorithms graphs greedy shortest paths trees	1600	9.7k
1895D	XOR Construction bitmasks constructive algorithms data structures math string suffix structures trees	1900	7.2k
1879E	Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees	2400	1.6k
1876E	Ball-Stackable constructive algorithms data structures dp trees	3300	373
1868D	Flower-like Pseudotree constructive algorithms graphs greedy implementation trees	3000	418
1863I	Redundant Routes constructive algorithms dp trees	3500	133
1844G	Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees	3000	1.2k
1833G	Ksyusha and Chinchilla constructive algorithms dfs and similar dp dsu greedy implementation trees	1800	6.5k
1827E	Bus Routes binary search constructive algorithms dfs and similar greedy trees	3400	1k
1819C	The Fox and the Complete Tree Traversal constructive algorithms dp implementation math trees	2400	1.8k
1815B	Sum Graph brute force constructive algorithms graphs implementation interactive shortest paths trees	2000	3.7k
1795F	Blocking Chips binary search constructive algorithms dfs and similar greedy trees	2400	1.4k
1788F	XOR, Tree, and Queries bitmasks constructive algorithms dfs and similar dsu graphs greedy implementation trees	2500	1.2k
1781G	Diverse Coloring constructive algorithms trees	3200	298
1779F	Xorcerer's Stones bitmasks constructive algorithms dp trees	2500	1.5k
1774G	Segment Covering brute force combinatorics constructive algorithms data structures dp trees	3200	692
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
1740E	Hanging Hearts constructive algorithms data structures dfs and similar dp greedy trees	1800	5.1k
1738D	Permutation Addicts constructive algorithms data structures dfs and similar dsu graphs trees	1900	3.8k
1738F	Connectivity Addicts constructive algorithms dsu graphs greedy interactive shortest paths trees	2400	1.4k
1726D	Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees	2000	4.2k
1714F	Build a Tree and That Is It constructive algorithms implementation trees	1900	3.7k
1710D	Recover the Tree constructive algorithms trees	3400	565
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
1695D2	Tree Queries (Hard Version) constructive algorithms dfs and similar dp greedy trees	2300	2.3k
1682D	Circular Spanning Tree constructive algorithms implementation trees	2000	3.8k
1682E	Unordered Swaps constructive algorithms dfs and similar graphs greedy math sortings trees	2700	777
1670E	Hemose on the Tree bitmasks constructive algorithms dfs and similar trees	2200	2k
1667D	Edge Elimination constructive algorithms dfs and similar dp trees	2900	846
1666J	Job Lookup constructive algorithms dp shortest paths trees	2100	1.6k
1656E	Equal Tree Sums constructive algorithms dfs and similar math trees	2200	3.9k
1646D	Weight the Tree constructive algorithms dfs and similar dp implementation trees	2000	4.5k
1637F	Towers constructive algorithms dfs and similar dp greedy trees	2500	2.2k
1627C	Not Assigning constructive algorithms dfs and similar number theory trees	1400	16.4k
1611D	Weights Assignment For Tree Edges constructive algorithms trees	1500	11.7k
1605D	Treelabeling bitmasks constructive algorithms dfs and similar games greedy implementation trees	2100	3.3k
1592C	Bakry and Partitioning bitmasks constructive algorithms dfs and similar dp graphs trees	1700	9.3k
1583B	Omkar and Heavenly Tree constructive algorithms trees	1200	13.4k
1583E	Moment of Bloom constructive algorithms dfs and similar graph matchings graphs greedy trees	2200	2.5k
1566E	Buds Re-hanging constructive algorithms dfs and similar dp greedy trees	2000	4.5k
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
1534D	Lost Tree constructive algorithms interactive trees	1800	6.9k
1534H	Lost Nodes constructive algorithms dp graphs interactive sortings trees	3500	314
1521D	Nastia Plays with a Tree constructive algorithms data structures dfs and similar dp dsu greedy implementation trees	2500	2.4k
1519E	Off by One constructive algorithms dfs and similar geometry graphs sortings trees	2700	943
1515F	Phoenix and Earthquake constructive algorithms dfs and similar dsu graphs greedy trees	2600	2.2k
1508E	Tree Calendar brute force constructive algorithms data structures dfs and similar sortings trees	3100	453
1495F	Squares constructive algorithms data structures dp graphs trees	3300	533
1494D	Dogeforces constructive algorithms data structures dfs and similar divide and conquer dsu greedy sortings trees	2300	2.9k
1463E	Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees	2400	1.8k
1442E	Black, White and Grey Tree binary search constructive algorithms dfs and similar dp greedy trees	3000	805

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