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Problemset

75 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2207H1	Bowser's Castle (Easy Version) binary search constructive algorithms divide and conquer greedy interactive trees	unrated	60
2205D	Simons and Beating Peaks data structures divide and conquer dp greedy implementation trees	1700	5.6k
2180E	No Effect XOR bitmasks divide and conquer dp greedy math	2300	1.8k
2169D2	Removal of a Sequence (Hard Version) binary search divide and conquer greedy implementation math number theory	2100	2.4k
2157G	Isaac's Queries bitmasks brute force constructive algorithms dfs and similar divide and conquer dp greedy interactive math probabilities	2800	672
2154E	No Mind To Think binary search divide and conquer greedy sortings ternary search two pointers	2500	1.2k
2146D1	Max Sum OR (Easy Version) bitmasks constructive algorithms divide and conquer greedy trees	1500	11.2k
2146D2	Max Sum OR (Hard Version) bitmasks constructive algorithms divide and conquer greedy	2000	4.3k
2146E	Yet Another MEX Problem brute force constructive algorithms data structures divide and conquer greedy hashing	2300	2.2k
2145F	Long Journey dfs and similar divide and conquer dp graphs greedy math matrices number theory	2500	1.1k
2122D	Traffic Lights brute force data structures divide and conquer dp graphs greedy shortest paths	2400	2.8k
2106G1	Baudelaire (easy version) binary search constructive algorithms divide and conquer greedy interactive trees	2200	1.7k
2101B	Quartet Swapping brute force data structures divide and conquer greedy sortings	1800	8.1k
2077E	Another Folding Strip combinatorics constructive algorithms data structures divide and conquer dp greedy math	2700	627
2074F	Counting Necessary Nodes bitmasks divide and conquer greedy implementation math	2000	2.5k
2070E	Game with Binary String constructive algorithms data structures divide and conquer games greedy math	2200	1.9k
2042E	Vertex Pairs binary search brute force data structures dfs and similar divide and conquer greedy implementation trees	2900	535
2041J	Bottle Arrangement data structures divide and conquer dp dsu greedy	2700	273
2035D	Yet Another Real Number Problem binary search data structures divide and conquer greedy implementation math	1800	5.9k
2018E1	Complex Segments (Easy Version) binary search data structures divide and conquer dsu greedy math sortings	3300	246
2018E2	Complex Segments (Hard Version) binary search data structures divide and conquer dsu greedy math sortings	3400	210
2014H	Robin Hood Archery data structures divide and conquer greedy hashing	1900	6k
2003E1	Turtle and Inversions (Easy Version) brute force divide and conquer dp greedy math	2600	902
2003E2	Turtle and Inversions (Hard Version) brute force data structures divide and conquer dp greedy math two pointers	2700	654
2001C	Guess The Tree binary search brute force dfs and similar divide and conquer dsu greedy interactive trees	1500	13.1k
1998E1	Eliminating Balls With Merging (Easy Version) binary search brute force data structures divide and conquer greedy	2200	2.3k
1998E2	Eliminating Balls With Merging (Hard Version) binary search brute force data structures divide and conquer greedy implementation	2500	927
1990F	Polygonal Segments brute force data structures divide and conquer dp greedy two pointers	2800	464
1983D	Swap Dilemma constructive algorithms data structures divide and conquer greedy math sortings	1700	11.5k
1969E	Unique Array binary search data structures divide and conquer dp greedy	2400	1.9k
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1951E	No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	2000	4.6k
1930D2	Sum over all Substrings (Hard Version) bitmasks divide and conquer dp dsu greedy implementation strings	2100	3.1k
1922E	Increasing Subsequences bitmasks constructive algorithms divide and conquer greedy math	1800	9.3k
1904D2	Set To Max (Hard Version) constructive algorithms data structures divide and conquer greedy implementation sortings	1800	5.8k
1903D2	Maximum And Queries (hard version) bitmasks divide and conquer dp greedy	2500	1.1k
1857G	Counting Graphs combinatorics divide and conquer dsu graphs greedy sortings trees	2000	5.6k
1849F	XOR Partition binary search bitmasks data structures divide and conquer greedy trees	2700	911
1842I	Tenzing and Necklace divide and conquer dp greedy	3500	174
1817E	Half-sum brute force divide and conquer greedy	3400	350
1790F	Timofey and Black-White Tree brute force dfs and similar divide and conquer graphs greedy math shortest paths trees	2100	4.2k
1750E	Bracket Cost binary search data structures divide and conquer dp greedy strings	2400	1.7k
1721D	Maximum AND bitmasks dfs and similar divide and conquer greedy sortings	1800	7.8k
1715E	Long Way Home data structures divide and conquer dp geometry graphs greedy shortest paths	2400	2.4k
1706E	Qpwoeirut and Vertices binary search data structures dfs and similar divide and conquer dsu greedy trees	2300	4k
1696D	Permutation Graph binary search constructive algorithms data structures divide and conquer greedy shortest paths	1900	6.1k
1693D	Decinc Dividing brute force data structures divide and conquer dp greedy	2800	1.2k
1673F	Anti-Theft Road Planning bitmasks constructive algorithms divide and conquer greedy interactive math	2400	979
1665E	MinimizOR bitmasks brute force data structures divide and conquer greedy implementation two pointers	2500	1.9k
1654F	Minimal String Xoration bitmasks data structures divide and conquer greedy hashing sortings strings	2800	1.5k
1601C	Optimal Insertion data structures divide and conquer dp greedy sortings	2300	2.4k
1580D	Subsequence brute force divide and conquer dp greedy trees	2900	1.2k
1548E	Gregor and the Two Painters data structures divide and conquer graphs greedy math	3400	618
1543E	The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math	2700	499
1528A	Parsa's Humongous Tree dfs and similar divide and conquer dp greedy trees	1600	19.8k
1494D	Dogeforces constructive algorithms data structures dfs and similar divide and conquer dsu greedy sortings trees	2300	2.9k
1442D	Sum data structures divide and conquer dp greedy	2800	3k
1439C	Greedy Shopping binary search data structures divide and conquer greedy implementation	2600	2.3k
1420C2	Pokémon Army (hard version) data structures divide and conquer dp greedy implementation	2100	5.3k
1416C	XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees	2000	5.2k
1400E	Clear the Multiset data structures divide and conquer dp greedy	2200	6.5k
1373D	Maximum Sum on Even Positions divide and conquer dp greedy implementation	1600	18.1k
1373G	Pawns data structures divide and conquer greedy	2600	972
1285D	Dr. Evil Underscores bitmasks brute force dfs and similar divide and conquer dp greedy strings trees	1900	8.7k
1257G	Divisor Set divide and conquer fft greedy math number theory	2600	798
1237C2	Balanced Removals (Harder) binary search constructive algorithms divide and conquer greedy implementation sortings	1900	4.6k
1175E	Minimal Segment Cover data structures dfs and similar divide and conquer dp greedy implementation trees	2200	4.7k
1155D	Beautiful Array brute force data structures divide and conquer dp greedy	1900	7.9k
1100F	Ivan and Burgers data structures divide and conquer greedy math	2500	3.9k
627C	Package Delivery data structures divide and conquer greedy	2200	1.4k
576C	Points on Plane constructive algorithms divide and conquer geometry greedy sortings	2100	4.3k
448C	Painting Fence divide and conquer dp greedy	1900	11.1k
343E	Pumping Stations brute force dfs and similar divide and conquer flows graphs greedy trees	2900	960
321C	Ciel the Commander constructive algorithms dfs and similar divide and conquer greedy trees	2100	9.8k
167D	Wizards and Roads data structures divide and conquer graph matchings graphs greedy	3000	303

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