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Problemset

79 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2249D	Xor Permutation Matrix bitmasks constructive algorithms math	unrated	672
2245C	MEXOR bitmasks constructive algorithms math	unrated	6k
2242E	Product of Closures bitmasks brute force constructive algorithms greedy implementation math number theory	2200	1.4k
2217F	Interval Game bitmasks combinatorics constructive algorithms dp games greedy math probabilities	2300	885
2189C1	XOR Convenience (Easy Version) bitmasks constructive algorithms math	1300	14.7k
2189C2	XOR-convenience (Hard Version) bitmasks constructive algorithms math	1800	6.5k
2179D	Blackslex and Penguin Civilization bitmasks constructive algorithms greedy math	1300	14.1k
2157G	Isaac's Queries bitmasks brute force constructive algorithms dfs and similar divide and conquer dp greedy interactive math probabilities	2800	672
2127G2	Inter Active (Hard Version) binary search bitmasks constructive algorithms graphs implementation interactive math probabilities	3500	126
2119C	A Good Problem bitmasks constructive algorithms math	1300	16.8k
2109C1	Hacking Numbers (Easy Version) bitmasks constructive algorithms interactive math number theory	1500	11.8k
2108B	SUMdamental Decomposition bitmasks constructive algorithms greedy implementation math	1300	14.9k
2086E	Zebra-like Numbers bitmasks brute force constructive algorithms dfs and similar dp greedy math	2400	1.7k
2077B	Finding OR Sum bitmasks constructive algorithms implementation interactive math	1900	3.7k
2072F	Goodbye, Banker Life 2-sat bitmasks combinatorics constructive algorithms fft math number theory	1700	8.7k
2071D2	Infinite Sequence (Hard Version) bitmasks brute force constructive algorithms data structures dp implementation math	2500	1.1k
2057C	Trip to the Olympiad bitmasks constructive algorithms greedy math	1500	14.1k
2040C	Ordered Permutations bitmasks combinatorics constructive algorithms greedy math two pointers	1600	11k
2035C	Alya and Permutation bitmasks constructive algorithms math	1400	11.8k
1994B	Fun Game bitmasks constructive algorithms greedy math	1100	19.8k
1991D	Prime XOR Coloring bitmasks constructive algorithms graphs greedy math number theory	1900	8k
1981C	Turtle and an Incomplete Sequence bitmasks brute force constructive algorithms greedy implementation math	1800	6.4k
1977B	Binary Colouring bitmasks constructive algorithms greedy math	1100	20.1k
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1936A	Bitwise Operation Wizard bitmasks constructive algorithms greedy interactive math	1700	8.8k
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks brute force combinatorics constructive algorithms dfs and similar math	2300	1.2k
1922E	Increasing Subsequences bitmasks constructive algorithms divide and conquer greedy math	1800	9.3k
1909B	Make Almost Equal With Mod bitmasks constructive algorithms math number theory	1200	33.3k
1909E	Multiple Lamps bitmasks brute force constructive algorithms math number theory	2400	1.7k
1895D	XOR Construction bitmasks constructive algorithms data structures math string suffix structures trees	1900	7.2k
1886E	I Wanna be the Team Leader bitmasks constructive algorithms dp greedy math sortings two pointers	2400	1.9k
1868B1	Candy Party (Easy Version) bitmasks constructive algorithms graphs greedy implementation math	1700	8.4k
1868B2	Candy Party (Hard Version) bitmasks constructive algorithms dp greedy implementation math	2100	2.8k
1864C	Divisor Chain bitmasks constructive algorithms math number theory	1300	15.5k
1844G	Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees	3000	1.2k
1835C	Twin Clusters bitmasks brute force constructive algorithms math probabilities	2600	1.2k
1787E	The Harmonization of XOR bitmasks constructive algorithms greedy math	2100	2.8k
1763A	Absolute Maximization bitmasks constructive algorithms greedy math	800	17.1k
1748D	ConstructOR bitmasks chinese remainder theorem combinatorics constructive algorithms math number theory	2100	3.3k
1743G	Antifibonacci Cut bitmasks combinatorics constructive algorithms data structures dp hashing math	3000	381
1726B	Mainak and Interesting Sequence bitmasks constructive algorithms math	1100	17.1k
1713F	Lost Array bitmasks combinatorics constructive algorithms dp math	2900	771
1710C	XOR Triangle bitmasks brute force constructive algorithms dp greedy math	2500	1.7k
1673F	Anti-Theft Road Planning bitmasks constructive algorithms divide and conquer greedy interactive math	2400	979
1665D	GCD Guess bitmasks chinese remainder theorem constructive algorithms games interactive math number theory	2000	4.8k
1646C	Factorials and Powers of Two bitmasks brute force constructive algorithms dp math	1500	20.5k
1618F	Reverse bitmasks constructive algorithms dfs and similar implementation math strings	2000	4.8k
1614C	Divan and bitwise operations bitmasks combinatorics constructive algorithms dp math	1500	11.4k
1559A	Mocha and Math bitmasks constructive algorithms math	900	48.3k
1556D	Take a Guess bitmasks constructive algorithms interactive math	1800	9k
1552D	Array Differentiation bitmasks brute force constructive algorithms dfs and similar dp graphs math	1800	8k
1543D1	RPD and Rap Sheet (Easy Version) bitmasks constructive algorithms interactive math	1700	8.1k
1543E	The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math	2700	499
1516C	Baby Ehab Partitions Again bitmasks constructive algorithms dp math	1700	14.5k
1513B	AND Sequences bitmasks combinatorics constructive algorithms math	1400	21k
1493E	Enormous XOR bitmasks constructive algorithms greedy math strings two pointers	2600	1.1k
1492D	Genius's Gambit bitmasks constructive algorithms greedy math	1900	6.5k
1491D	Zookeeper and The Infinite Zoo bitmasks constructive algorithms dp greedy math	1800	8.5k
1451E1	Bitwise Queries (Easy Version) bitmasks constructive algorithms interactive math	2000	5.6k
1451E2	Bitwise Queries (Hard Version) bitmasks constructive algorithms interactive math	2300	4k
1438D	Powerful Ksenia bitmasks constructive algorithms math	2200	4.6k
1427E	Xum bitmasks constructive algorithms math matrices number theory	2500	1.7k
1423J	Bubble Cup hypothesis bitmasks constructive algorithms dp math	2400	915
1392E	Omkar and Duck bitmasks constructive algorithms interactive math	2100	3.8k
1383B	GameGame bitmasks constructive algorithms dp games greedy math	1900	5.6k
1365G	Secure Password bitmasks combinatorics constructive algorithms interactive math	2800	1.5k
1338B	Edge Weight Assignment bitmasks constructive algorithms dfs and similar greedy math trees	1800	9.7k
1338C	Perfect Triples bitmasks brute force constructive algorithms divide and conquer math	2200	3.5k
1332D	Walk on Matrix bitmasks constructive algorithms math	1700	8.5k
1322B	Present binary search bitmasks constructive algorithms data structures math sortings	2100	4.7k
1270C	Make Good bitmasks constructive algorithms math	1400	15.2k
1166E	The LCMs Must be Large bitmasks brute force constructive algorithms math number theory	2100	3k
1163E	Magical Permutation bitmasks brute force constructive algorithms data structures graphs math	2400	1.1k
1152B	Neko Performs Cat Furrier Transform bitmasks constructive algorithms dfs and similar math	1300	9.4k
1117E	Decypher the String bitmasks chinese remainder theorem constructive algorithms interactive math	2200	1.7k
766E	Mahmoud and a xor trip bitmasks constructive algorithms data structures dfs and similar dp math trees	2100	3.6k
734F	Anton and School bitmasks constructive algorithms implementation math	2500	1.4k
581D	Three Logos bitmasks brute force constructive algorithms geometry implementation math	1700	4.9k
388B	Fox and Minimal path bitmasks constructive algorithms graphs implementation math	1900	2.6k

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