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Problemset

84 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
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
2118D1	Red Light, Green Light (Easy version) brute force dfs and similar dp graphs implementation number theory	1700	8.6k
2118D2	Red Light, Green Light (Hard version) binary search brute force data structures dfs and similar dp graphs implementation math number theory	2200	2.6k
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
2056B	Find the Permutation brute force dfs and similar graphs implementation sortings	1300	18.2k
2045M	Mirror Maze brute force dfs and similar graphs implementation	1800	2.3k
2043E	Matrix Transformation bitmasks brute force data structures dfs and similar graphs greedy implementation	2300	1.9k
2041D	Drunken Maze brute force dfs and similar graphs shortest paths	1700	5.3k
2041K	Trophic Balance Species binary search brute force dfs and similar graphs	3100	122
2033E	Sakurako, Kosuke, and the Permutation brute force data structures dfs and similar dsu graphs greedy math	1400	14.5k
2027C	Add Zeros brute force data structures dfs and similar dp graphs greedy	1500	14.1k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2002D1	DFS Checker (Easy Version) brute force data structures dfs and similar graphs hashing trees	1900	5.2k
1985H1	Maximize the Largest Component (Easy Version) brute force data structures dfs and similar dsu graphs implementation	1700	7.4k
1970G2	Min-Fund Prison (Medium) brute force dfs and similar dp graphs trees	2200	907
1968D	Permutation Game brute force dfs and similar games graphs greedy math	1300	17.7k
1948C	Arrow Path brute force constructive algorithms dfs and similar dp graphs shortest paths	1300	21.5k
1929E	Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees	2300	2.1k
1920F1	Smooth Sailing (Easy Version) binary search brute force data structures dfs and similar dsu graphs shortest paths	2500	1.3k
1914G1	Light Bulbs (Easy Version) brute force combinatorics dfs and similar dp dsu graphs math trees	2100	2.5k
1907G	Lights brute force constructive algorithms dfs and similar graphs greedy implementation	2200	2.4k
1895E	Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers	2300	1.9k
1893A	Anonymous Informant brute force dfs and similar graphs implementation	1400	15.3k
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
1874B	Jellyfish and Math bitmasks brute force dfs and similar dp graphs shortest paths	2400	1.4k
1867D	Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation	1800	6.9k
1863E	Speedrun brute force dfs and similar dp graphs greedy math sortings two pointers	2100	3.3k
1840F	Railguns brute force dfs and similar dp graphs	2200	2.2k
1822F	Gardening Friends brute force dfs and similar dp graphs trees	1700	7.8k
1817B	Fish Graph brute force constructive algorithms dfs and similar graphs	1900	5.2k
1810E	Monsters brute force data structures dfs and similar dsu graphs greedy	2100	4k
1804E	Routing bitmasks brute force dfs and similar dp graphs	2400	1.7k
1800E2	Unforgivable Curse (hard version) brute force constructive algorithms dfs and similar dsu graphs greedy strings	1500	15.6k
1790F	Timofey and Black-White Tree brute force dfs and similar divide and conquer graphs greedy math shortest paths trees	2100	4.2k
1741G	Kirill and Company bitmasks brute force dfs and similar dp flows graphs shortest paths	2200	2k
1726D	Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees	2000	4.2k
1721F	Matching Reduction brute force constructive algorithms dfs and similar flows graph matchings graphs interactive	2800	641
1696F	Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees	2600	1.2k
1689E	ANDfinity bitmasks brute force constructive algorithms dfs and similar dsu graphs	2500	1.4k
1662O	Circular Maze brute force dfs and similar graphs implementation	unrated	1.6k
1661B	Getting Zero bitmasks brute force dfs and similar dp graphs greedy shortest paths	1300	21.1k
1659E	AND-MEX Walk bitmasks brute force constructive algorithms dfs and similar dsu graphs	2200	2k
1625E1	Cats on the Upgrade (easy version) brute force data structures dfs and similar divide and conquer dp graphs trees	2500	1.2k
1607F	Robot on the Board 2 brute force dfs and similar graphs implementation	2300	2.2k
1574D	The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation	2000	4.9k
1569F	Palindromic Hamiltonian Path brute force dfs and similar dp graphs hashing	3000	493
1559D2	Mocha and Diana (Hard Version) brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers	2500	3.2k
1553E	Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math	2100	3.8k
1552D	Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math	1800	8k
1520G	To Go Or Not To Go? brute force dfs and similar graphs greedy implementation shortest paths	2200	4.4k
1508C	Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees	2500	1.8k
1494F	Delete The Edges brute force constructive algorithms dfs and similar graphs implementation	2900	531
1487C	Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math	1500	15.6k
1394B	Boboniu Walks on Graph brute force dfs and similar graphs hashing	2300	2.2k
1375G	Tree Modification brute force constructive algorithms dfs and similar graph matchings graphs trees	2800	2.3k
1367E	Necklace Assembly brute force dfs and similar dp graphs greedy number theory	1900	5.9k
1327D	Infinite Path brute force dfs and similar graphs math number theory	2200	3.6k
1325E	Ehab's REAL Number Theory Problem brute force dfs and similar graphs number theory shortest paths	2600	2.4k
1200F	Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory	2300	1.2k
1038E	Maximum Matching bitmasks brute force dfs and similar dp graphs	2400	1.1k
1020B	Badge brute force dfs and similar graphs	1000	25.9k
1005F	Berland and the Shortest Paths brute force dfs and similar graphs shortest paths	2100	2.2k
948A	Protect Sheep brute force dfs and similar graphs implementation	900	15.6k
869D	The Overdosing Ubiquity brute force dfs and similar graphs	2800	309
852I	Dating brute force dfs and similar graphs trees	2300	786
679D	Bear and Chase brute force dfs and similar graphs implementation math probabilities	2900	378
638D	Three-dimensional Turtle Super Computer brute force dfs and similar graphs	1800	798
574B	Bear and Three Musketeers brute force dfs and similar graphs hashing	1500	8.4k
506D	Mr. Kitayuta's Colorful Graph brute force dfs and similar dsu graphs	2400	2.6k
489D	Unbearable Controversy of Being brute force combinatorics dfs and similar graphs	1700	7.1k
475B	Strongly Connected City brute force dfs and similar graphs implementation	1400	9.4k
350E	Wrong Floyd brute force constructive algorithms dfs and similar graphs	2200	881
343E	Pumping Stations brute force dfs and similar divide and conquer flows graphs greedy trees	2900	960
300B	Coach brute force dfs and similar graphs	1500	7.3k
254D	Rats brute force dfs and similar graphs implementation shortest paths	2300	669
246D	Colorful Graph brute force dfs and similar graphs	1600	10.4k
217A	Ice Skating brute force dfs and similar dsu graphs	1200	25.1k
177C2	Party brute force dfs and similar dsu graphs	1500	3.1k
129B	Students and Shoelaces brute force dfs and similar graphs implementation	1200	14.1k

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