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Problemset

722 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1741B	Funny Permutation constructive algorithms math	800	26.9k
1739B	Array Recovery constructive algorithms greedy math	1100	24.7k
1738B	Prefix Sum Addicts constructive algorithms greedy math sortings	1200	19.1k
1738G	Anti-Increasing Addicts constructive algorithms dp greedy math	2900	578
1737C	Ela and Crickets constructive algorithms games implementation math	1500	6.5k
1737F	Ela and Prime GCD constructive algorithms math number theory	3300	162
1735A	Working Week constructive algorithms greedy math	800	21.1k
1733B	Rule of League constructive algorithms math	900	21.3k
1733D1	Zero-One (Easy Version) constructive algorithms greedy math	1400	15.2k
1733E	Conveyor constructive algorithms dp math	2700	1.6k
1732A	Bestie brute force combinatorics constructive algorithms implementation math number theory	1000	17.8k
1726B	Mainak and Interesting Sequence bitmasks constructive algorithms math	1100	17.1k
1725H	Hot Black Hot White constructive algorithms math	1800	3k
1720E	Misha and Paintings constructive algorithms data structures greedy implementation math	2700	1k
1719B	Mathematical Circus constructive algorithms math	800	19.2k
1718E	Impressionism constructive algorithms graphs implementation math	3500	228
1717D	Madoka and The Corruption Scheme combinatorics constructive algorithms greedy math	1900	4.9k
1716B	Permutation Chain constructive algorithms math	800	22.1k
1715A	Crossmarket constructive algorithms greedy math	800	24.4k
1715B	Beautiful Array constructive algorithms greedy math	1000	35.7k
1715F	Crop Squares constructive algorithms geometry interactive math	2700	603
1713C	Build Permutation constructive algorithms dp math	1200	19k
1713F	Lost Array bitmasks combinatorics constructive algorithms dp math	2900	771
1710A	Color the Picture constructive algorithms greedy math	1500	12k
1710C	XOR Triangle bitmasks brute force constructive algorithms dp greedy math	2500	1.7k
1708B	Difference of GCDs constructive algorithms math	1100	29.9k
1706D2	Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers	2400	2k
1705D	Mark and Lightbulbs combinatorics constructive algorithms greedy math sortings	1800	7.2k
1704D	Magical Array constructive algorithms hashing implementation math	1900	5.4k
1704E	Count Seconds brute force constructive algorithms dp graphs implementation math	2200	2.7k
1704G	Mio and Lucky Array constructive algorithms fft math strings	3500	168
1704H1	Game of AI (easy version) combinatorics constructive algorithms dp fft math	3200	346
1702F	Equate Multisets constructive algorithms data structures greedy math number theory	1700	9.6k
1700A	Optimal Path constructive algorithms greedy math	800	23.7k
1700B	Palindromic Numbers constructive algorithms implementation math	1100	20.1k
1699A	The Third Three Number Problem constructive algorithms math	800	24.9k
1699C	The Third Problem combinatorics constructive algorithms math	1700	10.8k
1698F	Equal Reversal constructive algorithms graphs implementation math	2800	782
1697E	Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math	2400	1.5k
1696C	Fishingprince Plays With Array constructive algorithms greedy implementation math	1400	12.7k
1691C	Sum of Substrings brute force constructive algorithms greedy math strings	1400	17.4k
1687E	Become Big For Me combinatorics constructive algorithms greedy math number theory	3500	324
1684A	Digit Minimization constructive algorithms games math strings	800	25k
1684B	Z mod X = C constructive algorithms math	800	21.9k
1684G	Euclid Guess constructive algorithms flows graph matchings math number theory	2800	818
1684H	Hard Cut constructive algorithms dfs and similar divide and conquer math	3400	305
1682C	LIS or Reverse LIS? constructive algorithms greedy implementation math	1400	16.6k
1682E	Unordered Swaps constructive algorithms dfs and similar graphs greedy math sortings trees	2700	777
1674A	Number Transformation constructive algorithms math	800	28.1k
1674E	Breaking the Wall binary search brute force constructive algorithms greedy math	2000	7.8k
1673F	Anti-Theft Road Planning bitmasks constructive algorithms divide and conquer greedy interactive math	2400	980
1672G	Cross Xor constructive algorithms graphs math matrices	3200	677
1667C	Half Queen Cover constructive algorithms math	2400	2.1k
1666E	Even Split binary search constructive algorithms greedy math	2500	891
1666I	Interactive Treasure Hunt brute force constructive algorithms geometry interactive math	2200	1.8k
1665A	GCD vs LCM constructive algorithms math	800	26.6k
1665D	GCD Guess bitmasks chinese remainder theorem constructive algorithms games interactive math number theory	2000	4.8k
1659A	Red Versus Blue constructive algorithms greedy implementation math	1000	33.2k
1659D	Reverse Sort Sum constructive algorithms data structures greedy implementation math two pointers	1900	4.5k
1658A	Marin and Photoshoot constructive algorithms implementation math	800	20.9k
1658C	Shinju and the Lost Permutation constructive algorithms math	1700	10k
1658F	Juju and Binary String brute force constructive algorithms greedy math	2700	1k
1656C	Make Equal With Mod constructive algorithms math number theory sortings	1200	21.2k
1656D	K-good constructive algorithms math number theory	1900	7.6k
1656E	Equal Tree Sums constructive algorithms dfs and similar math trees	2200	3.9k
1656F	Parametric MST binary search constructive algorithms graphs greedy math sortings	2600	1.3k
1656G	Cycle Palindrome constructive algorithms graphs math	3200	505
1654H	Three Minimums combinatorics constructive algorithms divide and conquer dp fft math	3500	109
1651E	Sum of Matchings brute force combinatorics constructive algorithms dfs and similar graph matchings greedy math	2600	670
1650D	Twist the Permutation brute force constructive algorithms implementation math	1300	15.3k
1648B	Integral Array brute force constructive algorithms data structures math	1800	7.4k
1647D	Madoka and the Best School in Russia constructive algorithms dp math number theory	1900	5.7k
1646C	Factorials and Powers of Two bitmasks brute force constructive algorithms dp math	1500	20.5k
1638A	Reverse constructive algorithms greedy math	800	22.2k
1637G	Birthday constructive algorithms greedy math	3000	653
1634D	Finding Zero constructive algorithms interactive math	2000	4.8k
1628A	Meximum Array binary search constructive algorithms greedy implementation math two pointers	1400	17.2k
1628C	Grid Xor constructive algorithms greedy implementation interactive math	2300	3.6k
1624C	Division by Two and Permutation constructive algorithms flows graph matchings greedy math	1100	27.1k
1622F	Quadratic Set constructive algorithms hashing math number theory	2900	955
1621D	The Winter Hike constructive algorithms greedy math	2100	4.4k
1619E	MEX and Increments constructive algorithms data structures dp greedy implementation math sortings	1700	10.3k
1619F	Let's Play the Hat? brute force constructive algorithms greedy math	2000	2.4k
1618E	Singers' Tour constructive algorithms math	1700	7.8k
1618F	Reverse bitmasks constructive algorithms dfs and similar implementation math strings	2000	4.8k
1617B	GCD Problem brute force constructive algorithms math number theory	900	27.2k
1617D2	Too Many Impostors (hard version) constructive algorithms implementation interactive math	2400	2.1k
1614C	Divan and bitwise operations bitmasks combinatorics constructive algorithms dp math	1500	11.4k
1611A	Make Even constructive algorithms math	800	33.6k
1611B	Team Composition: Programmers and Mathematicians binary search constructive algorithms math	800	32.2k
1608A	Find Array constructive algorithms math	800	20.4k
1603A	Di-visible Confusion constructive algorithms math number theory	1300	17.9k
1603B	Moderate Modular Mode constructive algorithms math number theory	1600	15.2k
1594F	Ideal Farm constructive algorithms math	2400	1.6k
1592B	Hemose Shopping constructive algorithms dsu math sortings	1200	17.4k
1586I	Omkar and Mosaic combinatorics constructive algorithms math	3500	355
1582D	Vupsen, Pupsen and 0 constructive algorithms math	1600	11.7k
1581B	Diameter of Graph constructive algorithms graphs greedy math	1200	12.6k
1579E1	Permutation Minimization by Deque constructive algorithms greedy math	1000	25.6k
1574E	Coloring combinatorics constructive algorithms implementation math	2500	1.1k

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