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Problemset

688 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2250A	Threshold Movement brute force implementation math	unrated	13.3k
2249A	Rank Subsequence brute force greedy implementation	unrated	7k
2242C	Unstable Elements brute force data structures implementation sortings two pointers	1300	10.5k
2242E	Product of Closures bitmasks brute force constructive algorithms greedy implementation math number theory	2200	1.4k
2236G	Criterion in Burlandia binary search bitmasks brute force data structures dfs and similar divide and conquer implementation trees two pointers	2600	385
2233D	Goods on the Shelf brute force data structures implementation two pointers	1900	3.4k
2228C1	Cirno and Number (Easy Version) binary search brute force dp greedy implementation	1500	8k
2227D	Palindromex binary search brute force constructive algorithms data structures greedy implementation two pointers	1200	13.9k
2218A	The 67th Integer Problem brute force games implementation math	800	41.9k
2215B	RReeppeettiittiioonn binary search brute force implementation math number theory	2000	1.3k
2215D	EXPloration, EXPloitation, and Gain Some EXPerience! bitmasks brute force dp greedy implementation	2800	162
2208B	Cyclists brute force games greedy implementation math sortings	1100	15k
2204A	Passing the Ball brute force implementation	800	23.4k
2200F	Mooclear Reactor 2 brute force data structures greedy implementation sortings	1900	3.2k
2195H	Codeforces Heuristic Contest 001 brute force constructive algorithms geometry implementation	2400	509
2170A	Maximum Neighborhood bitmasks brute force greedy implementation math	800	20.6k
2167D	Yet Another Array Problem brute force implementation math number theory	1000	31.5k
2163D1	Diadrash (Easy Version) binary search brute force divide and conquer implementation interactive	2100	2.8k
2161B	Make Connected brute force implementation	1700	5.6k
2159B	Rectangles brute force data structures dp dsu greedy implementation two pointers	2100	3.4k
2158D	Palindrome Flipping brute force constructive algorithms graphs implementation shortest paths strings	2000	3.4k
2157E	Adjusting Drones binary search brute force data structures dp dsu greedy implementation sortings	1900	4.6k
2156B	Strange Machine binary search brute force greedy implementation	1000	21.6k
2156F1	Strange Operation (Easy Version) brute force data structures greedy implementation sortings	2200	1.7k
2155C	The Ancient Wizards' Capes brute force greedy implementation	1500	10.9k
2154F1	Bombing (Easy Version) brute force combinatorics constructive algorithms implementation math	2700	594
2153F	Odd Queries on Odd Array bitmasks brute force data structures implementation trees	2900	337
2146A	Equal Occurrences brute force greedy implementation	800	22.5k
2138D	Antiamuny and Slider Movement brute force combinatorics implementation math sortings	2600	682
2137C	Maximum Even Sum brute force greedy implementation math	1100	23.7k
2137E	Mexification brute force implementation math	1500	10.7k
2134C	Even Larger brute force greedy implementation	1200	19.5k
2133A	Redstone? brute force data structures implementation math	800	31.9k
2132A	Homework brute force implementation strings	800	45k
2129D	Permutation Blackhole brute force combinatorics dp implementation math	2600	2.5k
2127H	23 Rises Again brute force dfs and similar dp flows graph matchings graphs greedy implementation probabilities trees	3100	1.9k
2126A	Only One Digit brute force implementation math	800	53.1k
2126F	1-1-1, Free Tree! brute force data structures dfs and similar graphs implementation trees	2000	4.4k
2121H	Ice Baby binary search brute force data structures dp implementation sortings	2300	2.3k
2118D1	Red Light, Green Light (Easy version) brute force dfs and similar dp graphs implementation number theory	1700	8.6k
2118D2	Red Light, Green Light (Hard version) binary search brute force data structures dfs and similar dp graphs implementation math number theory	2200	2.6k
2114D	Come a Little Closer brute force greedy implementation math	1400	15k
2111B	Fibonacci Cubes brute force dp implementation math	1100	18.2k
2108C	Neo's Escape binary search brute force data structures dp dsu graphs greedy implementation	1500	15.1k
2108D	Needle in a Numstack binary search brute force implementation interactive	2200	2.5k
2107D	Apple Tree Traversing brute force dfs and similar greedy implementation trees	2100	3.6k
2104B	Move to the End brute force data structures dp greedy implementation	1000	21.3k
2104F	Numbers and Strings binary search brute force dfs and similar dp implementation math	2600	742
2103A	Common Multiple brute force greedy implementation math	800	25.2k
2092B	Lady Bug brute force constructive algorithms implementation math	1000	25.3k
2092D	Mishkin Energizer brute force constructive algorithms greedy implementation strings	1800	7k
2090B	Pushing Balls brute force dp implementation	1000	16.8k
2077D	Maximum Polygon brute force data structures greedy implementation math	3100	393
2075F	Beautiful Sequence Returns binary search brute force data structures implementation	3000	529
2074D	Counting Points brute force data structures geometry implementation two pointers	1400	12.4k
2072D	For Wizards, the Exam Is Easy, but I Couldn't Handle It brute force greedy implementation	1300	18k
2071D1	Infinite Sequence (Easy Version) bitmasks brute force dp implementation math	1800	6.9k
2071D2	Infinite Sequence (Hard Version) bitmasks brute force constructive algorithms data structures dp implementation math	2500	1.1k
2070B	Robot Program brute force implementation math	1100	20k
2068F	Mascot Naming brute force greedy implementation strings	1900	1.5k
2065A	Skibidus and Amog'u brute force constructive algorithms greedy implementation strings	800	56.9k
2063D	Game With Triangles binary search brute force data structures geometry greedy implementation math ternary search two pointers	2000	5.2k
2056B	Find the Permutation brute force dfs and similar graphs implementation sortings	1300	18.2k
2053F	Earnest Matrix Complement brute force data structures dp greedy implementation math	2600	963
2051F	Joker brute force greedy implementation math	2000	4.1k
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
2049F	MEX OR Mania bitmasks brute force data structures dsu implementation	2700	600
2048A	Kevin and Combination Lock brute force greedy implementation math number theory	800	23k
2048C	Kevin and Binary Strings bitmasks brute force greedy implementation strings	1200	15.4k
2048F	Kevin and Math Class brute force data structures divide and conquer dp implementation math trees	2500	1.3k
2045M	Mirror Maze brute force dfs and similar graphs implementation	1800	2.3k
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
2043G	Problem with Queries brute force data structures implementation	3000	337
2042E	Vertex Pairs binary search brute force data structures dfs and similar divide and conquer greedy implementation trees	2900	535
2037B	Intercepted Inputs brute force implementation	800	25.8k
2036C	Anya and 1100 brute force implementation	1100	22.5k
2036D	I Love 1543 brute force implementation matrices	1300	16.3k
2035E	Monster binary search brute force constructive algorithms greedy implementation math ternary search	2300	2k
2028A	Alice's Adventures in ''Chess'' brute force implementation math	900	20.7k
2028F	Alice's Adventures in Addition bitmasks brute force dp implementation	2700	556
2026C	Action Figures binary search brute force constructive algorithms data structures greedy implementation	1500	12.9k
2025C	New Game binary search brute force greedy implementation sortings two pointers	1300	19.4k
2025D	Attribute Checks brute force data structures dp implementation math two pointers	1800	8k
2022D1	Asesino (Easy Version) binary search brute force constructive algorithms implementation interactive	1900	4.1k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2018A	Cards Partition 2-sat brute force greedy implementation math	1600	12.9k
2014G	Milky Days brute force data structures greedy implementation	2200	1.8k
2013F1	Game in Tree (Easy Version) binary search brute force data structures dp games greedy implementation trees	2700	679
2010A	Alternating Sum of Numbers brute force implementation math	800	21.5k
2010B	Three Brothers brute force implementation math	800	25k
2009B	osu!mania brute force implementation	800	54.2k
2008E	Alternating String brute force data structures dp greedy implementation strings	1500	13.8k
2006F	Dora's Paint brute force combinatorics constructive algorithms graphs implementation	3500	173
2005D	Alter the GCD binary search brute force data structures divide and conquer implementation number theory	2400	1.3k
2004D	Colored Portals binary search brute force data structures graphs greedy implementation shortest paths	1600	13.5k
2001D	Longest Max Min Subsequence brute force constructive algorithms data structures greedy implementation	1900	6.6k
2000H	Ksyusha and the Loaded Set binary search brute force data structures implementation	2200	2.4k

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