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Problemset

33 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2241E	Fair and Square combinatorics dp graphs math number theory trees	1600	5.8k
2239D	Hunting the Beast combinatorics dp graphs math	2500	601
2229E	Deconstruction Tree combinatorics data structures dp graphs trees	2100	2k
2196C1	Interactive Graph (Simple Version) binary search combinatorics dfs and similar dp graphs interactive	1800	3.9k
2196C2	Interactive Graph (Hard Version) combinatorics dfs and similar dp graphs interactive	2000	2.7k
2178I	Numbers or Fireworks bitmasks combinatorics dp graphs	3300	265
2164F2	Chain Prefix Rank (Hard Version) binary search combinatorics data structures dfs and similar dp graphs math trees	2900	648
2112E	Tree Colorings combinatorics dfs and similar dp graphs math number theory trees	2200	3.5k
2097B	Baggage Claim combinatorics dfs and similar dp dsu graphs implementation math trees	2300	2k
2063F1	Counting Is Not Fun (Easy Version) combinatorics data structures dfs and similar dp dsu graphs hashing implementation math trees	2400	1.6k
2040E	Control of Randomness combinatorics dfs and similar dp graphs greedy math probabilities trees	2100	2.8k
1914G1	Light Bulbs (Easy Version) brute force combinatorics dfs and similar dp dsu graphs math trees	2100	2.5k
1914G2	Light Bulbs (Hard Version) combinatorics data structures dfs and similar dp graphs hashing	2300	1.9k
1893E	Cacti Symphony combinatorics dfs and similar dp graphs	3500	342
1863G	Swaps combinatorics dp graphs math	2800	1k
1792F1	Graph Coloring (easy version) combinatorics dp graphs	2700	1k
1792F2	Graph Coloring (hard version) brute force combinatorics divide and conquer dp fft graphs	2900	558
1697E	Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math	2400	1.5k
1574F	Occurrences combinatorics dfs and similar dp dsu fft graphs	2700	786
1556F	Sports Betting bitmasks combinatorics dp graphs math probabilities	2500	1.5k
1540B	Tree Array brute force combinatorics dp graphs math probabilities trees	2300	3.1k
1534C	Little Alawn's Puzzle combinatorics dp dsu graphs math	1300	14k
1470E	Strange Permutation binary search combinatorics data structures dp graphs implementation two pointers	3200	981
1466H	Finding satisfactory solutions combinatorics dp graphs greedy math	3300	682
1408G	Clusterization Counting combinatorics dp dsu fft graphs trees	2700	1.4k
1402C	Star Trek *special combinatorics dfs and similar dp games graphs matrices trees	2600	271
1391C	Cyclic Permutations combinatorics dp graphs math	1500	16.1k
1299D	Around the World bitmasks combinatorics dfs and similar dp graphs math trees	3000	652
848D	Shake It! combinatorics dp flows graphs	2900	484
830D	Singer House combinatorics dp graphs trees	2800	1k
814E	An unavoidable detour for home combinatorics dp graphs shortest paths	2600	848
804F	Fake bullions combinatorics dfs and similar dp graphs number theory	3400	221
295C	Greg and Friends combinatorics dp graphs shortest paths	2100	2k

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