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Problemset

202 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2247D1	XOR Sorting (Easy Version) bitmasks greedy	unrated	5.5k
2247D2	XOR Sorting (Hard Version) bitmasks data structures greedy	unrated	1.9k
2246D	diss_quack and Array Game bitmasks brute force games greedy	unrated	2.8k
2242E	Product of Closures bitmasks brute force constructive algorithms greedy implementation math number theory	2200	1.4k
2229F	Load Unbalancing binary search bitmasks dp greedy	2400	1.1k
2217F	Interval Game bitmasks combinatorics constructive algorithms dp games greedy math probabilities	2300	885
2215D	EXPloration, EXPloitation, and Gain Some EXPerience! bitmasks brute force dp greedy implementation	2800	162
2203B	Beautiful Numbers bitmasks dp fft greedy math	1000	16.2k
2203C	Test Generator binary search bitmasks greedy math	1500	7.9k
2200B	Deletion Sort bitmasks brute force greedy sortings	800	27.9k
2196E1	Fuzzy Concatenation (Easy Version) binary search bitmasks brute force data structures greedy string suffix structures	2900	311
2196E2	Fuzzy Concatenation (Hard version) binary search bitmasks data structures dp greedy string suffix structures	3000	238
2187B	Shortest Statement Ever bitmasks constructive algorithms dp greedy	1800	5.6k
2182F2	Christmas Reindeer (hard version) bitmasks brute force combinatorics data structures greedy math	2500	1.1k
2180C	XOR-factorization bitmasks constructive algorithms dp greedy number theory	1900	6.7k
2180E	No Effect XOR bitmasks divide and conquer dp greedy math	2300	1.8k
2179D	Blackslex and Penguin Civilization bitmasks constructive algorithms greedy math	1300	14.1k
2176B	Optimal Shifts bitmasks greedy strings	1000	23.8k
2173D	Taiga's Carry Chains bitmasks brute force dp greedy math	1900	3.8k
2171C1	Renako Amaori and XOR Game (easy version) bitmasks games greedy	1100	20k
2171C2	Renako Amaori and XOR Game (hard version) bitmasks games greedy	1400	12.4k
2171G	Sakura Adachi and Optimal Sequences bitmasks combinatorics greedy math	2000	2.4k
2170A	Maximum Neighborhood bitmasks brute force greedy implementation math	800	20.6k
2165C	Binary Wine bitmasks greedy math	2000	5k
2162C	Beautiful XOR bitmasks constructive algorithms greedy	1100	22.2k
2161G	Bitwise And Equals bitmasks greedy	3500	99
2157G	Isaac's Queries bitmasks brute force constructive algorithms dfs and similar divide and conquer dp greedy interactive math probabilities	2800	672
2153B	Bitwise Reversion bitmasks greedy	800	23.2k
2147E	Maximum OR Popcount binary search bitmasks brute force data structures greedy	2300	2.2k
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
2138A	Cake Assignment bitmasks constructive algorithms greedy	1100	17.7k
2119A	Add or XOR bitmasks greedy math	800	27.7k
2119E	And Constraint bitmasks dp greedy	2600	732
2118C	Make It Beautiful bitmasks data structures greedy math	1300	19k
2115D	Gellyfish and Forget-Me-Not bitmasks dp games greedy math	2900	2.1k
2109B	Slice to Survive bitmasks greedy math	1200	17.8k
2108B	SUMdamental Decomposition bitmasks constructive algorithms greedy implementation math	1300	14.9k
2093F	Hackers and Neural Networks bitmasks brute force greedy	1800	6k
2093G	Shorten the Array binary search bitmasks data structures dfs and similar greedy strings trees two pointers	1900	4k
2086E	Zebra-like Numbers bitmasks brute force constructive algorithms dfs and similar dp greedy math	2400	1.7k
2085C	Serval and The Formula bitmasks constructive algorithms dp greedy	1600	14k
2081C	Quaternary Matrix bitmasks constructive algorithms greedy implementation matrices	2700	372
2074C	XOR and Triangle bitmasks brute force geometry greedy probabilities	1100	22.4k
2074F	Counting Necessary Nodes bitmasks divide and conquer greedy implementation math	2000	2.5k
2072C	Creating Keys for StORages Has Become My Main Skill bitmasks constructive algorithms greedy	1200	20k
2064D	Eating binary search bitmasks brute force data structures dp greedy trees two pointers	1900	6k
2061E	Kevin and And bitmasks brute force dp greedy math sortings	2000	4.1k
2057C	Trip to the Olympiad bitmasks constructive algorithms greedy math	1500	14.1k
2048C	Kevin and Binary Strings bitmasks brute force greedy implementation strings	1200	15.4k
2043E	Matrix Transformation bitmasks brute force data structures dfs and similar graphs greedy implementation	2300	1.9k
2043F	Nim bitmasks brute force combinatorics dp games greedy implementation shortest paths	2700	918
2040C	Ordered Permutations bitmasks combinatorics constructive algorithms greedy math two pointers	1600	11k
2020A	Find Minimum Operations bitmasks brute force greedy math number theory	800	26.2k
1994B	Fun Game bitmasks constructive algorithms greedy math	1100	19.8k
1994E	Wooden Game bitmasks greedy math trees	2000	5.7k
1991B	AND Reconstruction bitmasks constructive algorithms greedy	1100	19.2k
1991D	Prime XOR Coloring bitmasks constructive algorithms graphs greedy math number theory	1900	8k
1990D	Grid Puzzle bitmasks brute force dp greedy implementation	1800	7.9k
1988C	Increasing Sequence with Fixed OR bitmasks constructive algorithms greedy	1300	20.6k
1983F	array-value binary search bitmasks data structures greedy two pointers	2500	1.6k
1981C	Turtle and an Incomplete Sequence bitmasks brute force constructive algorithms greedy implementation math	1800	6.4k
1980G	Yasya and the Mysterious Tree bitmasks data structures dfs and similar graphs greedy strings trees	2300	1.8k
1979B	XOR Sequences bitmasks greedy	1000	26.8k
1979D	Fixing a Binary String bitmasks brute force constructive algorithms dp greedy hashing strings	1800	8k
1977B	Binary Colouring bitmasks constructive algorithms greedy math	1100	20.1k
1977D	XORificator bitmasks brute force greedy hashing	2300	2.4k
1973B	Cat, Fox and the Lonely Array binary search bitmasks data structures greedy math two pointers	1300	17.1k
1965B	Missing Subsequence Sum bitmasks constructive algorithms greedy number theory	1800	8.3k
1957B	A BIT of a Construction bitmasks constructive algorithms greedy implementation	1100	20.7k
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1950F	0, 1, 2, Tree! bitmasks brute force greedy implementation trees	1700	11.5k
1946D	Birthday Gift bitmasks brute force constructive algorithms greedy implementation	1900	5.7k
1936A	Bitwise Operation Wizard bitmasks constructive algorithms greedy interactive math	1700	8.8k
1936D	Bitwise Paradox binary search bitmasks data structures greedy two pointers	3100	705
1935E	Distance Learning Courses in MAC bitmasks brute force data structures greedy math	2400	1.7k
1934D1	XOR Break --- Solo Version bitmasks constructive algorithms greedy	2100	4.2k
1934D2	XOR Break --- Game Version bitmasks games greedy interactive	2400	1.8k
1930D2	Sum over all Substrings (Hard Version) bitmasks divide and conquer dp dsu greedy implementation strings	2100	3.1k
1929E	Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees	2300	2.1k
1926D	Vlad and Division bitmasks greedy	1300	18.7k
1922E	Increasing Subsequences bitmasks constructive algorithms divide and conquer greedy math	1800	9.3k
1918C	XOR-distance bitmasks greedy implementation math	1400	17.1k
1913C	Game with Multiset binary search bitmasks brute force greedy	1300	17.8k
1903B	StORage room bitmasks brute force constructive algorithms greedy	1200	15k
1903D1	Maximum And Queries (easy version) binary search bitmasks brute force greedy	1700	7.4k
1903D2	Maximum And Queries (hard version) bitmasks divide and conquer dp greedy	2500	1.1k
1886E	I Wanna be the Team Leader bitmasks constructive algorithms dp greedy math sortings two pointers	2400	1.9k
1883E	Look Back bitmasks greedy	1700	10.1k
1882B	Sets and Union bitmasks brute force constructive algorithms greedy	1300	17.6k
1882D	Tree XOR bitmasks dfs and similar dp greedy trees	1900	7.3k
1878E	Iva & Pav binary search bitmasks data structures greedy	1400	22.3k
1875C	Jellyfish and Green Apple bitmasks greedy math number theory	1400	14.1k
1870B	Friendly Arrays bitmasks greedy math	1200	16.5k
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
1861F	Four Suits binary search bitmasks flows greedy	3200	338
1856E2	PermuTree (hard version) bitmasks dfs and similar dp fft greedy implementation math trees	2700	1.8k
1851F	Lisa and the Martians bitmasks greedy math strings trees	1800	7.8k
1849F	XOR Partition binary search bitmasks data structures divide and conquer greedy trees	2700	911

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