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Problemset

97 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2245D2	Construct an Array (Hard Version) 2-sat constructive algorithms dfs and similar graphs implementation	unrated	1.7k
2193H	Remove the Grail Tree dfs and similar dp graphs greedy implementation trees	2400	1.1k
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
2113E	From Kazan with Love dfs and similar graphs implementation trees	2800	430
2110E	Melody dfs and similar graphs implementation	2300	2.8k
2108E	Spruce Dispute constructive algorithms dfs and similar graphs greedy implementation shortest paths trees	2600	922
2097B	Baggage Claim combinatorics dfs and similar dp dsu graphs implementation math trees	2300	2k
2086C	Disappearing Permutation dfs and similar dp dsu graphs greedy implementation	1300	16.6k
2063F1	Counting Is Not Fun (Easy Version) combinatorics data structures dfs and similar dp dsu graphs hashing implementation math trees	2400	1.6k
2063F2	Counting Is Not Fun (Hard Version) combinatorics data structures dfs and similar dsu graphs implementation trees	2700	951
2062E2	The Game (Hard Version) data structures dfs and similar games graphs implementation trees	3000	464
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
2044G1	Medium Demon Problem (easy version) dfs and similar graph matchings graphs implementation trees	1700	7.6k
2044G2	Medium Demon Problem (hard version) dfs and similar dp dsu graphs implementation trees	1900	4k
2043E	Matrix Transformation bitmasks brute force data structures dfs and similar graphs greedy implementation	2300	1.9k
2034C	Trapped in the Witch's Labyrinth constructive algorithms dfs and similar graphs implementation	1400	9.4k
2023C	C+K+S constructive algorithms dfs and similar graphs greedy hashing implementation strings	2400	1.4k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2003D2	Turtle and a MEX Problem (Hard Version) dfs and similar dp graphs greedy implementation math	2100	4.7k
1985H1	Maximize the Largest Component (Easy Version) brute force data structures dfs and similar dsu graphs implementation	1700	7.4k
1967D	Long Way to be Non-decreasing binary search dfs and similar graphs implementation shortest paths two pointers	2800	998
1950G	Shuffling Songs bitmasks dfs and similar dp graphs hashing implementation strings	1900	6.3k
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
1918F	Caterpillar on a Tree dfs and similar graphs greedy implementation sortings trees	2500	1.2k
1907G	Lights brute force constructive algorithms dfs and similar graphs greedy implementation	2200	2.4k
1904E	Tree Queries data structures dfs and similar graphs implementation trees	2500	1.4k
1904F	Beautiful Tree data structures dfs and similar graphs implementation trees	2800	581
1902F	Trees and XOR Queries Again data structures dfs and similar divide and conquer graphs implementation math trees	2400	1.5k
1900E	Transitive Graph dfs and similar dp dsu graphs implementation	2100	2.7k
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
1872F	Selling a Menagerie dfs and similar dsu graphs implementation math	1800	7.7k
1867D	Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation	1800	6.9k
1850H	The Third Letter dfs and similar dsu graphs greedy implementation	1700	10.2k
1835F	Good Graph bitmasks dfs and similar graph matchings graphs implementation	3500	347
1829E	The Lakes dfs and similar dsu graphs implementation	1100	27.7k
1811F	Is It Flower? dfs and similar graphs implementation	2100	2.2k
1788F	XOR, Tree, and Queries bitmasks constructive algorithms dfs and similar dsu graphs greedy implementation trees	2500	1.2k
1787D	Game on Axis combinatorics dfs and similar dsu graphs implementation	1900	3.9k
1772F	Copy of a Copy of a Copy constructive algorithms dfs and similar graphs implementation sortings	2000	2.9k
1770D	Koxia and Game constructive algorithms data structures dfs and similar dsu flows games graph matchings graphs implementation	2000	4.5k
1735C	Phase Shift dfs and similar dsu graphs greedy implementation strings	1400	11k
1670C	Where is the Pizza? data structures dfs and similar dsu graphs implementation math	1400	11.1k
1662F	Antennas data structures dfs and similar graphs implementation shortest paths	unrated	1.3k
1662O	Circular Maze brute force dfs and similar graphs implementation	unrated	1.6k
1648E	Air Reform data structures dfs and similar divide and conquer dsu graphs implementation trees	3200	601
1617E	Christmas Chocolates dfs and similar dp games graphs implementation math number theory shortest paths trees	2700	1.1k
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
1567F	One-Four Overload 2-sat constructive algorithms dfs and similar dsu graphs implementation	2700	888
1549B	Gregor and the Pawn Game dfs and similar dp flows graph matchings graphs greedy implementation	800	27.2k
1520G	To Go Or Not To Go? brute force dfs and similar graphs greedy implementation shortest paths	2200	4.4k
1498D	Bananas in a Microwave dfs and similar dp graphs implementation	2200	2.5k
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
1463E	Plan of Lectures constructive algorithms dfs and similar dsu graphs implementation sortings trees	2400	1.8k
1419F	Rain of Fire binary search data structures dfs and similar dsu graphs implementation	2800	632
1388D	Captain Flint and Treasure data structures dfs and similar graphs greedy implementation trees	2000	7k
1385G	Columns Swaps 2-sat dfs and similar dsu graphs implementation	2300	1.9k
1365D	Solve The Maze constructive algorithms dfs and similar dsu graphs greedy implementation shortest paths	1700	21.3k
1364D	Ehab's Last Corollary constructive algorithms dfs and similar graphs greedy implementation trees	2100	5.1k
1349C	Orac and Game of Life dfs and similar graphs implementation shortest paths	2000	4.9k
1316D	Nash Matrix constructive algorithms dfs and similar graphs implementation	2000	3.7k
1301F	Super Jaber dfs and similar graphs implementation shortest paths	2600	1.5k
1213F	Unstable String Sort data structures dfs and similar dsu graphs greedy implementation strings	2100	3.1k
1200F	Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory	2300	1.2k
1186F	Vus the Cossack and a Graph dfs and similar graphs greedy implementation	2400	1.2k
1105D	Kilani and the Game dfs and similar graphs implementation shortest paths	1900	4.5k
1062D	Fun with Integers dfs and similar graphs implementation math	1800	4.2k
1033A	King Escape dfs and similar graphs implementation	1000	16.4k
1010D	Mars rover dfs and similar graphs implementation trees	2000	2.6k
948A	Protect Sheep brute force dfs and similar graphs implementation	900	15.6k
875C	National Property 2-sat dfs and similar graphs implementation	2100	2.4k
812D	Sagheer and Kindergarten dfs and similar graphs implementation trees	2700	382
793B	Igor and his way to work dfs and similar graphs implementation shortest paths	1600	4.9k
770C	Online Courses In BSU *special dfs and similar graphs implementation	1500	3k
763A	Timofey and a tree dfs and similar dp dsu graphs implementation trees	1600	12.1k
723D	Lakes in Berland dfs and similar dsu graphs greedy implementation	1600	7.6k
679D	Bear and Chase brute force dfs and similar graphs implementation math probabilities	2900	378
520B	Two Buttons dfs and similar graphs greedy implementation math shortest paths	1400	64.7k
500A	New Year Transportation dfs and similar graphs implementation	1000	64.4k
475B	Strongly Connected City brute force dfs and similar graphs implementation	1400	9.4k
463D	Gargari and Permutations dfs and similar dp graphs implementation	1900	7.4k
382D	Ksenia and Pawns dfs and similar graphs implementation trees	2200	753
374C	Inna and Dima dfs and similar dp graphs implementation	1900	3k
254D	Rats brute force dfs and similar graphs implementation shortest paths	2300	669
225D	Snake bitmasks dfs and similar graphs implementation	2200	1.1k
129B	Students and Shoelaces brute force dfs and similar graphs implementation	1200	14.1k
87D	Beautiful Road dfs and similar dp dsu graphs implementation sortings trees	2300	1.1k
81E	Pairs dfs and similar dp dsu graphs implementation trees	2700	460
29C	Mail Stamps data structures dfs and similar graphs implementation	1700	6.7k

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