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Problemset

478 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2245D2	Construct an Array (Hard Version) 2-sat constructive algorithms dfs and similar graphs implementation	unrated	1.7k
2242E	Product of Closures bitmasks brute force constructive algorithms greedy implementation math number theory	2200	1.4k
2231D	Maximum Prefix Sums constructive algorithms greedy implementation two pointers	1900	3.7k
2230C	Arrange the Numbers in a Circle constructive algorithms implementation math	1300	11.4k
2227D	Palindromex binary search brute force constructive algorithms data structures greedy implementation two pointers	1200	13.9k
2218F	The 67th Tree Problem constructive algorithms implementation trees	1500	9k
2210E	Binary Strings are Simple? constructive algorithms implementation interactive number theory	2700	369
2195H	Codeforces Heuristic Contest 001 brute force constructive algorithms geometry implementation	2400	509
2194D	Table Cut constructive algorithms greedy implementation	1600	8.6k
2183D2	Tree Coloring (Hard Version) combinatorics constructive algorithms data structures dfs and similar greedy implementation trees	2100	2.6k
2182A	New Year String constructive algorithms greedy implementation strings	800	26.2k
2178D	Xmas or Hysteria constructive algorithms greedy implementation math	1700	7k
2172N	New Kingdom constructive algorithms graphs implementation	2800	176
2171F	Rae Taylor and Trees (hard version) binary search constructive algorithms data structures dp dsu greedy implementation trees	1600	7.6k
2170D	Almost Roman constructive algorithms greedy implementation	2200	1.8k
2167C	Isamatdin and His Magic Wand! constructive algorithms greedy implementation sortings	800	37.1k
2163B	Siga ta Kymata constructive algorithms greedy implementation math	1700	9.5k
2159A	MAD Interactive Problem constructive algorithms implementation interactive	1700	9k
2158D	Palindrome Flipping brute force constructive algorithms graphs implementation shortest paths strings	2000	3.4k
2157C	Meximum Array 2 constructive algorithms greedy implementation math	1400	10.9k
2154F1	Bombing (Easy Version) brute force combinatorics constructive algorithms implementation math	2700	594
2153C	Symmetrical Polygons constructive algorithms geometry greedy implementation sortings	1500	12.3k
2150F	Cycle Closing constructive algorithms graphs implementation shortest paths trees	3000	224
2147C	Rabbits constructive algorithms dp greedy implementation	1500	11.3k
2134A	Painting With Two Colors constructive algorithms implementation math	800	27.4k
2134D	Sliding Tree constructive algorithms dfs and similar greedy implementation trees	2300	3.8k
2134E	Power Boxes constructive algorithms dp implementation interactive	2300	2.5k
2127G2	Inter Active (Hard Version) binary search bitmasks constructive algorithms graphs implementation interactive math probabilities	3500	126
2125A	Difficult Contest constructive algorithms implementation sortings strings	800	28.5k
2113D	Cheater binary search constructive algorithms greedy implementation	2200	3k
2111D	Creating a Schedule constructive algorithms data structures greedy implementation sortings	1400	12.3k
2108B	SUMdamental Decomposition bitmasks constructive algorithms greedy implementation math	1300	14.9k
2108E	Spruce Dispute constructive algorithms dfs and similar graphs greedy implementation shortest paths trees	2600	922
2107C	Maximum Subarray Sum binary search constructive algorithms dp implementation math	1500	12.5k
2103D	Local Construction constructive algorithms dfs and similar implementation two pointers	2000	4.1k
2103E	Keep the Sum constructive algorithms implementation two pointers	2600	622
2101A	Mex in the Grid constructive algorithms implementation	1300	14.7k
2092B	Lady Bug brute force constructive algorithms implementation math	1000	25.3k
2092D	Mishkin Energizer brute force constructive algorithms greedy implementation strings	1800	7k
2085A	Serval and String Theory constructive algorithms implementation	900	23.9k
2085B	Serval and Final MEX constructive algorithms implementation	1200	17.5k
2084C	You Soared Afar With Grace constructive algorithms data structures greedy implementation	1400	12k
2081C	Quaternary Matrix bitmasks constructive algorithms greedy implementation matrices	2700	372
2078B	Vicious Labyrinth constructive algorithms graphs greedy implementation math	1100	18.6k
2077B	Finding OR Sum bitmasks constructive algorithms implementation interactive math	1900	3.7k
2071D2	Infinite Sequence (Hard Version) bitmasks brute force constructive algorithms data structures dp implementation math	2500	1.1k
2066B	White Magic constructive algorithms data structures dp greedy implementation	1900	5.6k
2065A	Skibidus and Amog'u brute force constructive algorithms greedy implementation strings	800	56.9k
2053H	Delicate Anti-monotonous Operations constructive algorithms implementation	3500	84
2051C	Preparing for the Exam constructive algorithms implementation	1000	28.5k
2049B	pspspsps brute force constructive algorithms graph matchings implementation	1300	19.2k
2049C	MEX Cycle brute force constructive algorithms greedy implementation	1500	13.9k
2049E	Broken Queries binary search bitmasks brute force constructive algorithms implementation interactive	2400	1.6k
2046F2	Yandex Cuneiform (Hard Version) constructive algorithms data structures greedy implementation	3500	110
2044H	Hard Demon Problem constructive algorithms data structures dp implementation math	2100	2.7k
2039B	Shohag Loves Strings constructive algorithms greedy implementation strings	1000	17.6k
2039H1	Cool Swap Walk (Easy Version) constructive algorithms implementation sortings	3500	105
2039H2	Cool Swap Walk (Hard Version) constructive algorithms implementation sortings	3500	100
2038G	Guess One Character constructive algorithms implementation interactive	1900	3k
2035E	Monster binary search brute force constructive algorithms greedy implementation math ternary search	2300	2k
2034C	Trapped in the Witch's Labyrinth constructive algorithms dfs and similar graphs implementation	1400	9.4k
2034D	Darius' Wisdom constructive algorithms greedy implementation sortings	1600	6.8k
2034G1	Simurgh's Watch (Easy Version) constructive algorithms greedy implementation sortings	3500	80
2033A	Sakurako and Kosuke constructive algorithms implementation math	800	41.7k
2032B	Medians constructive algorithms greedy implementation math	1100	21.1k
2032D	Genokraken constructive algorithms data structures graphs greedy implementation interactive trees two pointers	1800	6.3k
2032E	Balanced constructive algorithms data structures greedy implementation math	2400	1.4k
2028D	Alice's Adventures in Cards constructive algorithms data structures dp graphs greedy implementation ternary search	2000	3.8k
2026C	Action Figures binary search brute force constructive algorithms data structures greedy implementation	1500	12.9k
2023C	C+K+S constructive algorithms dfs and similar graphs greedy hashing implementation strings	2400	1.4k
2022A	Bus to Pénjamo constructive algorithms greedy implementation math	800	17.4k
2022D1	Asesino (Easy Version) binary search brute force constructive algorithms implementation interactive	1900	4.1k
2021C2	Adjust The Presentation (Hard Version) constructive algorithms data structures greedy implementation sortings	1900	4.6k
2006F	Dora's Paint brute force combinatorics constructive algorithms graphs implementation	3500	173
2002A	Distanced Coloring constructive algorithms implementation math	800	21.4k
2001D	Longest Max Min Subsequence brute force constructive algorithms data structures greedy implementation	1900	6.6k
1999B	Card Game brute force constructive algorithms implementation	1000	42.6k
1998A	Find K Distinct Points with Fixed Center constructive algorithms implementation math	800	26.3k
1998C	Perform Operations to Maximize Score binary search brute force constructive algorithms greedy implementation	1900	7.2k
1995C	Squaring brute force constructive algorithms greedy implementation math number theory	1800	10.4k
1994A	Diverse Game constructive algorithms greedy implementation	800	22.5k
1993E	Xor-Grid Problem bitmasks constructive algorithms dp implementation	2700	741
1992E	Novice's Mistake brute force constructive algorithms implementation math strings	1700	11k
1991G	Grid Reset constructive algorithms greedy implementation	2700	758
1984G	Magic Trick II constructive algorithms implementation sortings	3200	305
1983B	Corner Twist constructive algorithms greedy implementation math	1200	18.6k
1981C	Turtle and an Incomplete Sequence bitmasks brute force constructive algorithms greedy implementation math	1800	6.4k
1980E	Permutation of Rows and Columns constructive algorithms data structures greedy hashing implementation math matrices sortings	1600	13.3k
1979E	Manhattan Triangle binary search constructive algorithms data structures geometry implementation two pointers	2400	1.9k
1978C	Manhattan Permutations constructive algorithms data structures greedy implementation math	1300	18k
1974D	Ingenuity-2 constructive algorithms greedy implementation	1400	18k
1973C	Cat, Fox and Double Maximum constructive algorithms greedy implementation math sortings	1700	10k
1969A	Two Friends constructive algorithms implementation math	800	22.3k
1966B	Rectangle Filling constructive algorithms implementation	1100	17.5k
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
1955B	Progressive Square constructive algorithms data structures implementation sortings	1000	32.8k
1952J	Help, what does it mean to be "Based" *special brute force constructive algorithms expression parsing implementation sortings	unrated	910
1951E	No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	2000	4.6k
1948E	Clique Partition brute force constructive algorithms graphs greedy implementation	2100	3.6k

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