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Problemset

38 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2242F	Summer Vacation data structures dp probabilities trees	2700	385
2219C	Coloring a Red Black Tree dfs and similar dp greedy math probabilities trees	2300	1.4k
2190D	Prufer Vertex combinatorics dsu number theory probabilities trees	2500	1k
2162G	Beautiful Tree constructive algorithms math probabilities trees	2200	2.9k
2127H	23 Rises Again brute force dfs and similar dp flows graph matchings graphs greedy implementation probabilities trees	3100	1.9k
2071E	LeaFall combinatorics dp probabilities trees	2600	840
2040E	Control of Randomness combinatorics dfs and similar dp graphs greedy math probabilities trees	2100	2.8k
2028E	Alice's Adventures in the Rabbit Hole combinatorics dfs and similar dp games greedy math probabilities trees	2300	2k
1957F1	Frequency Mismatch (Easy Version) binary search data structures divide and conquer hashing probabilities trees	2600	706
1957F2	Frequency Mismatch (Hard Version) binary search data structures dfs and similar hashing probabilities trees	2700	659
1864E	Guess Game bitmasks data structures games math probabilities sortings strings trees	2100	3.1k
1824B1	LuoTianyi and the Floating Islands (Easy Version) combinatorics math probabilities trees	1800	6.3k
1824B2	LuoTianyi and the Floating Islands (Hard Version) combinatorics dfs and similar math probabilities trees	2300	3.6k
1823F	Random Walk dp graphs math probabilities trees	2600	1.4k
1819E	Roads in E City interactive math probabilities trees	3200	384
1777D	Score of a Tree bitmasks combinatorics dfs and similar dp math probabilities trees	1900	4.9k
1773B	BinCoin binary search divide and conquer hashing implementation probabilities trees	2200	982
1771F	Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees	2500	1.7k
1770E	Koxia and Tree combinatorics dfs and similar dp dsu math probabilities trees	2400	1.6k
1761G	Centroid Guess interactive probabilities trees	3500	156
1726D	Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees	2000	4.2k
1540B	Tree Array brute force combinatorics dp graphs math probabilities trees	2300	3.1k
1479D	Odd Mineral Resource binary search bitmasks brute force data structures probabilities trees	2900	1.4k
1438F	Olha and Igor interactive probabilities trees	3000	810
1361E	James and the Chase dfs and similar graphs probabilities trees	3000	1k
1254D	Tree Queries data structures probabilities trees	2700	1.7k
1045D	Interstellar battle math probabilities trees	2200	896
960E	Alternating Tree combinatorics dfs and similar divide and conquer dp probabilities trees	2300	2.4k
859D	Third Month Insanity dp probabilities trees	2100	1.2k
839C	Journey dfs and similar dp graphs probabilities trees	1500	20.8k
696B	Puzzles dfs and similar math probabilities trees	1700	3.9k
643E	Bear and Destroying Subtrees dp math probabilities trees	2700	756
629E	Famil Door and Roads combinatorics data structures dfs and similar dp probabilities trees	2300	1.2k
280C	Game on Tree implementation math probabilities trees	2200	5.4k
123E	Maze dfs and similar dp probabilities trees	2500	842
101D	Castle dp greedy probabilities sortings trees	2300	813
98B	Help King implementation probabilities trees	2200	163
85C	Petya and Tree binary search dfs and similar probabilities sortings trees	2200	642

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