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Problemset

42 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2155D	Batteries brute force constructive algorithms graph matchings graphs interactive math	1800	6.2k
2131H	Sea, You & copriMe brute force constructive algorithms graphs greedy math number theory	2600	909
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
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2075D	Equalization bitmasks brute force dp graphs math	2000	6k
2033E	Sakurako, Kosuke, and the Permutation brute force data structures dfs and similar dsu graphs greedy math	1400	14.5k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2020D	Connect the Dots brute force dp dsu graphs math trees	1800	7.6k
1994G	Minecraft bitmasks brute force dp graphs math	2600	1.7k
1968D	Permutation Game brute force dfs and similar games graphs greedy math	1300	17.7k
1929E	Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees	2300	2.1k
1928E	Modular Sequence brute force constructive algorithms dp graphs greedy math number theory	2300	2.3k
1914G1	Light Bulbs (Easy Version) brute force combinatorics dfs and similar dp dsu graphs math trees	2100	2.5k
1863E	Speedrun brute force dfs and similar dp graphs greedy math sortings two pointers	2100	3.3k
1823E	Removing Graph brute force dp games graphs math	2500	1.5k
1790F	Timofey and Black-White Tree brute force dfs and similar divide and conquer graphs greedy math shortest paths trees	2100	4.2k
1767E	Algebra Flash bitmasks brute force dp graphs math meet-in-the-middle trees	2500	1.3k
1709F	Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees	2500	729
1704E	Count Seconds brute force constructive algorithms dp graphs implementation math	2200	2.7k
1697E	Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math	2400	1.5k
1654E	Arithmetic Operations brute force data structures graphs math	2300	2.4k
1616F	Tricolor Triangles brute force graphs math matrices	2900	765
1615C	Menorah brute force graphs greedy math	1600	9.3k
1579F	Array Stabilization (AND version) brute force graphs math number theory shortest paths	1700	5.4k
1553E	Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math	2100	3.8k
1553G	Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory	2700	1.3k
1552D	Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math	1800	8k
1540B	Tree Array brute force combinatorics dp graphs math probabilities trees	2300	3.1k
1487C	Minimum Ties brute force constructive algorithms dfs and similar graphs greedy implementation math	1500	15.6k
1461E	Water Level brute force graphs greedy implementation math	2200	2.2k
1327D	Infinite Path brute force dfs and similar graphs math number theory	2200	3.6k
1268D	Invertation in Tournament brute force divide and conquer graphs math	3200	820
1200F	Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory	2300	1.2k
1163E	Magical Permutation bitmasks brute force constructive algorithms data structures graphs math	2400	1.1k
1031F	Familiar Operations brute force graphs math	2800	317
1009D	Relatively Prime Graph brute force constructive algorithms graphs greedy math	1700	6.7k
839E	Mother of Dragons brute force graphs math meet-in-the-middle	2700	1.1k
755A	PolandBall and Hypothesis brute force graphs math number theory	800	20.1k
679D	Bear and Chase brute force dfs and similar graphs implementation math probabilities	2900	378
558C	Amr and Chemistry brute force graphs greedy math shortest paths	1900	4.2k
344B	Simple Molecules brute force graphs math	1200	9.7k
303C	Minimum Modular brute force graphs math number theory	2400	988

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