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Problemset

41 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2157G	Isaac's Queries bitmasks brute force constructive algorithms dfs and similar divide and conquer dp greedy interactive math probabilities	2800	672
2144F	Bracket Groups brute force constructive algorithms dp string suffix structures strings	2700	1.1k
2115B	Gellyfish and Camellia Japonica brute force constructive algorithms dfs and similar dp graphs greedy trees	2100	5k
2114G	Build an Array brute force constructive algorithms dp greedy math number theory	2200	2.1k
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2086E	Zebra-like Numbers bitmasks brute force constructive algorithms dfs and similar dp greedy math	2400	1.7k
2072E	Do You Love Your Hero and His Two-Hit Multi-Target Attacks? binary search brute force constructive algorithms dp geometry greedy math	1500	12.6k
2071D2	Infinite Sequence (Hard Version) bitmasks brute force constructive algorithms data structures dp implementation math	2500	1.1k
2064C	Remove the Ends brute force constructive algorithms dp greedy	1300	18.1k
1979D	Fixing a Binary String bitmasks brute force constructive algorithms dp greedy hashing strings	1800	8k
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1955H	The Most Reckless Defense bitmasks brute force constructive algorithms dp flows graph matchings shortest paths	2300	1.6k
1948C	Arrow Path brute force constructive algorithms dfs and similar dp graphs shortest paths	1300	21.5k
1935C	Messenger in MAC binary search brute force constructive algorithms data structures dp greedy sortings	1800	9.9k
1928E	Modular Sequence brute force constructive algorithms dp graphs greedy math number theory	2300	2.3k
1864D	Matrix Cascade brute force constructive algorithms data structures dp greedy math	1700	7.7k
1854E	Game Bundles brute force constructive algorithms dp greedy math	3000	575
1774G	Segment Covering brute force combinatorics constructive algorithms data structures dp trees	3200	692
1710C	XOR Triangle bitmasks brute force constructive algorithms dp greedy math	2500	1.7k
1706D2	Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers	2400	2k
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
1695D1	Tree Queries (Easy Version) brute force constructive algorithms dfs and similar dp greedy trees	2200	2.5k
1646C	Factorials and Powers of Two bitmasks brute force constructive algorithms dp math	1500	20.5k
1624E	Masha-forgetful brute force constructive algorithms dp hashing implementation strings	2000	4.7k
1560F2	Nearest Beautiful Number (hard version) bitmasks brute force constructive algorithms dfs and similar dp greedy	2100	5.1k
1555C	Coin Rows brute force constructive algorithms dp implementation	1300	24.4k
1555D	Say No to Palindromes brute force constructive algorithms dp strings	1600	16k
1552D	Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math	1800	8k
1486E	Paired Payment binary search brute force constructive algorithms dp flows graphs shortest paths	2200	3.5k
1391D	505 bitmasks brute force constructive algorithms dp greedy implementation	2000	5.8k
1373E	Sum of Digits brute force constructive algorithms dp greedy	2200	3k
1366E	Two Arrays binary search brute force combinatorics constructive algorithms dp two pointers	2100	4.7k
1360F	Spy-string bitmasks brute force constructive algorithms dp hashing strings	1700	13.7k
1286F	Harry The Potter brute force constructive algorithms dp fft implementation math	3100	411
1285E	Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers	2300	2k
1244D	Paint the Tree brute force constructive algorithms dp graphs implementation trees	1800	8.4k
1151B	Dima and a Bad XOR bitmasks brute force constructive algorithms dp	1600	13.1k
868C	Qualification Rounds bitmasks brute force constructive algorithms dp	1500	5.1k
754C	Vladik and chat brute force constructive algorithms dp implementation strings	2200	1.1k
424D	Biathlon Track binary search brute force constructive algorithms data structures dp	2300	639

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