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Problemset

264 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2244F	Anya Loves Trees! dfs and similar dp greedy trees	unrated	3.5k
2238F	Infinite Work combinatorics graphs greedy math trees	2600	406
2237H	Slime and Queries data structures greedy trees	3500	124
2219C	Coloring a Red Black Tree dfs and similar dp greedy math probabilities trees	2300	1.4k
2211E	Minimum Path Cover brute force dp greedy interactive math number theory trees	2500	1k
2210F	A Simple Problem binary search data structures greedy math trees	2700	263
2209F	Dynamic Values And Maximum Sum data structures greedy implementation trees	2700	460
2208D1	Tree Orientation (Easy Version) constructive algorithms dfs and similar dsu graphs greedy matrices trees	1800	4.8k
2208D2	Tree Orientation (Hard Version) dfs and similar dsu graphs greedy sortings trees	2200	2.1k
2207H1	Bowser's Castle (Easy Version) binary search constructive algorithms divide and conquer greedy interactive trees	unrated	60
2205D	Simons and Beating Peaks data structures divide and conquer dp greedy implementation trees	1700	5.6k
2193H	Remove the Grail Tree dfs and similar dp graphs greedy implementation trees	2400	1.1k
2192D	Cost of Tree dp greedy trees	1800	3.9k
2189F	Zhora the Vacuum Cleaner data structures dfs and similar dp greedy implementation sortings trees	2800	254
2187C	Jerry and Tom data structures dfs and similar dsu games graphs greedy trees	2300	1.5k
2187G	Many Cartesian Trees greedy sortings trees	3500	110
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
2176E	Remove at the lowest cost data structures dfs and similar dp dsu greedy implementation trees	2400	1.3k
2174D	Secret Message data structures dp greedy trees	3400	317
2171D	Rae Taylor and Trees (easy version) binary search data structures dp dsu greedy implementation trees	1400	12.3k
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
2156F2	Strange Operation (Hard Version) data structures greedy trees	3000	266
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
2131D	Arboris Contractio data structures graphs greedy trees	1400	14.9k
2127E	Ancient Tree constructive algorithms data structures dfs and similar dsu greedy trees	2100	4.4k
2127H	23 Rises Again brute force dfs and similar dp flows graph matchings graphs greedy implementation probabilities trees	3100	1.9k
2120C	Divine Tree constructive algorithms greedy math sortings trees	1400	13k
2119F	Volcanic Eruptions dfs and similar dp greedy shortest paths trees	3300	191
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2114E	Kirei Attacks the Estate dfs and similar dp greedy trees	1400	14.4k
2108E	Spruce Dispute constructive algorithms dfs and similar graphs greedy implementation shortest paths trees	2600	922
2107D	Apple Tree Traversing brute force dfs and similar greedy implementation trees	2100	3.6k
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
2101E	Kia Bakes a Cake data structures dp greedy trees	3100	2k
2093G	Shorten the Array binary search bitmasks data structures dfs and similar greedy strings trees two pointers	1900	4k
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
2065F	Skibidus and Slay data structures dfs and similar graphs greedy trees	1700	7.3k
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
2063E	Triangle Tree data structures dfs and similar dp greedy trees	2300	2.4k
2062D	Balanced Tree dfs and similar dp graphs greedy trees	2200	3.6k
2062E1	The Game (Easy Version) data structures dfs and similar games graphs greedy trees	2000	4.4k
2053E	Resourceful Caterpillar Sequence dfs and similar dp games graphs greedy trees	1900	4.6k
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
2040E	Control of Randomness combinatorics dfs and similar dp graphs greedy math probabilities trees	2100	2.8k
2033G	Sakurako and Chefir data structures dfs and similar dp greedy trees	2200	2k
2032D	Genokraken constructive algorithms data structures graphs greedy implementation interactive trees two pointers	1800	6.3k
2031E	Penchick and Chloe's Trees data structures dfs and similar dp greedy implementation math sortings trees	2100	2.8k
2029D	Cool Graph constructive algorithms data structures dfs and similar dsu graphs greedy trees	1900	4k
2028E	Alice's Adventures in the Rabbit Hole combinatorics dfs and similar dp games greedy math probabilities trees	2300	2k
2025F	Choose Your Queries constructive algorithms dfs and similar dp graphs greedy trees	2700	1.1k
2023E	Tree of Life dp greedy trees	3300	194
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2021E3	Digital Village (Extreme Version) data structures dfs and similar dp dsu graphs greedy math trees	2800	725
2018C	Tree Pruning brute force dfs and similar greedy sortings trees	1700	10.2k
2014F	Sheriff's Defense dfs and similar dp greedy trees	2000	5.3k
2013F1	Game in Tree (Easy Version) binary search brute force data structures dp games greedy implementation trees	2700	679
2006A	Iris and Game on the Tree constructive algorithms dfs and similar games graphs greedy trees	1700	9.8k
2001C	Guess The Tree binary search brute force dfs and similar divide and conquer dsu greedy interactive trees	1500	13.1k
1997D	Maximize the Root binary search dfs and similar dp greedy trees	1500	16.3k
1994D	Funny Game constructive algorithms dsu graphs greedy math number theory trees	1900	7.7k
1994E	Wooden Game bitmasks greedy math trees	2000	5.7k
1987E	Wonderful Tree! brute force data structures dfs and similar dsu greedy trees	2000	4.2k
1984E	Shuffle dp greedy trees	2400	1.9k
1980G	Yasya and the Mysterious Tree bitmasks data structures dfs and similar graphs greedy strings trees	2300	1.8k
1976E	Splittable Permutations combinatorics data structures dfs and similar greedy math trees	2500	1.3k
1976F	Remove Bridges data structures dfs and similar dp greedy sortings trees	2800	893
1975D	Paint the Tree brute force dfs and similar dp greedy shortest paths trees	1700	7.6k
1951H	Thanos Snap binary search dp games greedy trees	3200	380
1950F	0, 1, 2, Tree! bitmasks brute force greedy implementation trees	1700	11.5k
1949C	Annual Ants' Gathering dfs and similar dp greedy trees	1900	2.6k
1949F	Dating greedy sortings trees	2200	1.5k
1946C	Tree Cutting binary search dp greedy implementation trees	1600	14.1k
1943C	Tree Compass constructive algorithms dfs and similar greedy trees	2300	2.7k
1935F	Andrey's Tree binary search constructive algorithms data structures dfs and similar dsu greedy implementation trees	2800	634
1929E	Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees	2300	2.1k
1927F	Microcycle data structures dfs and similar dsu graphs greedy implementation sortings trees	1900	5.6k
1926G	Vlad and Trouble at MIT dfs and similar dp flows graphs greedy implementation trees	1900	4.7k
1919D	01 Tree constructive algorithms data structures dsu greedy sortings trees	2100	4.6k
1918F	Caterpillar on a Tree dfs and similar graphs greedy implementation sortings trees	2500	1.2k
1916E	Happy Life in University data structures dfs and similar greedy trees	2300	2.7k
1914F	Programming Competition dfs and similar dp graph matchings greedy trees	1900	5.1k
1910F	Build Railway Stations *special greedy trees	2000	227
1905B	Begginer's Zelda greedy trees	1100	18.9k
1901E	Compressed Tree dfs and similar dp graphs greedy sortings trees	2200	2k
1899F	Alex's whims constructive algorithms graphs greedy shortest paths trees	1600	9.7k
1889F	Doremy's Average Tree data structures dp greedy trees	3500	208
1882D	Tree XOR bitmasks dfs and similar dp greedy trees	1900	7.3k
1876G	Clubstep binary search brute force data structures greedy trees	3500	295
1870H	Standard Graph Problem data structures graphs greedy trees	3500	127
1868D	Flower-like Pseudotree constructive algorithms graphs greedy implementation trees	3000	418
1857G	Counting Graphs combinatorics divide and conquer dsu graphs greedy sortings trees	2000	5.6k
1856E2	PermuTree (hard version) bitmasks dfs and similar dp fft greedy implementation math trees	2700	1.8k

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