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Problemset

1,287 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
2036G	Library of Magic binary search constructive algorithms divide and conquer interactive math number theory	2200	1.7k
2035D	Yet Another Real Number Problem binary search data structures divide and conquer greedy implementation math	1800	5.9k
2035E	Monster binary search brute force constructive algorithms greedy implementation math ternary search	2300	2k
2035F	Tree Operations binary search brute force dfs and similar dp trees	2500	1.1k
2032C	Trinity binary search math sortings two pointers	1400	16.6k
2031D	Penchick and Desert Rabbit binary search data structures dfs and similar dp dsu greedy implementation two pointers	1700	10.1k
2031F	Penchick and Even Medians binary search constructive algorithms interactive probabilities	2800	476
2030F	Orangutan Approved Subarrays binary search data structures dp greedy implementation two pointers	2400	1.2k
2029C	New Rating binary search data structures dp greedy	1700	7.8k
2028B	Alice's Adventures in Permuting binary search implementation math	1400	13.6k
2028C	Alice's Adventures in Cutting Cake binary search dp greedy two pointers	1600	10.3k
2027D1	The Endspeaker (Easy Version) binary search dp graphs greedy implementation two pointers	1700	7.1k
2027D2	The Endspeaker (Hard Version) binary search data structures dp greedy implementation two pointers	2200	1.9k
2026B	Black Cells binary search brute force constructive algorithms greedy	1300	16.8k
2026C	Action Figures binary search brute force constructive algorithms data structures greedy implementation	1500	12.9k
2026D	Sums of Segments binary search data structures dp implementation math	1900	6.1k
2025A	Two Screens binary search greedy strings two pointers	800	29.1k
2025C	New Game binary search brute force greedy implementation sortings two pointers	1300	19.4k
2024B	Buying Lemonade binary search constructive algorithms sortings	1100	17.3k
2023B	Skipping binary search dp graphs shortest paths	1700	7.3k
2022B	Kar Salesman binary search greedy math	1300	14.9k
2022D1	Asesino (Easy Version) binary search brute force constructive algorithms implementation interactive	1900	4.1k
2022E1	Billetes MX (Easy Version) 2-sat binary search combinatorics constructive algorithms dfs and similar dsu graphs	2500	780
2022E2	Billetes MX (Hard Version) binary search combinatorics data structures dsu graphs	2600	730
2020B	Brightness Begins binary search math	1200	22.1k
2018B	Speedbreaker binary search data structures dp greedy implementation two pointers	1900	5.3k
2018E1	Complex Segments (Easy Version) binary search data structures divide and conquer dsu greedy math sortings	3300	246
2018E2	Complex Segments (Hard Version) binary search data structures divide and conquer dsu greedy math sortings	3400	210
2014C	Robin Hood in Town binary search greedy math	1100	28k
2013D	Minimize the Difference binary search greedy	1900	7.6k
2013F1	Game in Tree (Easy Version) binary search brute force data structures dp games greedy implementation trees	2700	679
2013F2	Game in Tree (Hard Version) binary search data structures trees	3500	171
2009E	Klee's SUPER DUPER LARGE Array!!! binary search math ternary search	1400	18.1k
2009G1	Yunli's Subarray Queries (easy version) binary search data structures two pointers	1900	5.6k
2009G2	Yunli's Subarray Queries (hard version) binary search data structures dp	2200	1.8k
2008C	Longest Good Array binary search brute force math	800	37k
2008G	Sakurako's Task binary search greedy math number theory	1800	6.8k
2008H	Sakurako's Test binary search brute force greedy math number theory	2100	3.7k
2005B2	The Strict Teacher (Hard Version) binary search greedy math sortings	1200	22.2k
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
2004F	Make a Palindrome binary search brute force data structures greedy math	2600	1.4k
2002D2	DFS Checker (Hard Version) binary search data structures dfs and similar graphs hashing trees	2300	2.9k
2001C	Guess The Tree binary search brute force dfs and similar divide and conquer dsu greedy interactive trees	1500	13.1k
2000G	Call During the Journey binary search brute force graphs greedy shortest paths	2100	3.2k
2000H	Ksyusha and the Loaded Set binary search brute force data structures implementation	2200	2.4k
1999G1	Ruler (easy version) binary search interactive	1500	15k
1999G2	Ruler (hard version) binary search interactive ternary search	1700	11.5k
1998C	Perform Operations to Maximize Score binary search brute force constructive algorithms greedy implementation	1900	7.2k
1998E1	Eliminating Balls With Merging (Easy Version) binary search brute force data structures divide and conquer greedy	2200	2.3k
1998E2	Eliminating Balls With Merging (Hard Version) binary search brute force data structures divide and conquer greedy implementation	2500	927
1997D	Maximize the Root binary search dfs and similar dp greedy trees	1500	16.3k
1997E	Level Up binary search brute force data structures divide and conquer implementation	2200	3.9k
1996A	Legs binary search math ternary search	800	58.7k
1996D	Fun binary search brute force combinatorics math number theory	1500	20k
1996F	Bomb binary search greedy math	1900	6.5k
1995B1	Bouquet (Easy Version) binary search brute force greedy sortings two pointers	1100	21.3k
1995B2	Bouquet (Hard Version) binary search data structures greedy math sortings two pointers	1700	10.3k
1994C	Hungry Games binary search dp two pointers	1600	13.9k
1993D	Med-imize binary search dp greedy	2200	4.5k
1990E1	Catch the Mole(Easy Version) binary search data structures dfs and similar interactive trees	2500	1.2k
1990E2	Catch the Mole(Hard Version) binary search data structures dfs and similar divide and conquer interactive trees	2600	1.2k
1988E	Range Minimum Sum binary search brute force data structures divide and conquer implementation	2300	1.9k
1986G1	Permutation Problem (Simple Version) binary search brute force combinatorics data structures math number theory	2200	2k
1985F	Final Boss binary search data structures	1500	20.5k
1983C	Have Your Cake and Eat It Too binary search brute force greedy implementation	1400	14.9k
1983F	array-value binary search bitmasks data structures greedy two pointers	2500	1.6k
1982C	Boring Day binary search data structures dp greedy two pointers	1200	22.3k
1982F	Sorting Problem Again binary search data structures sortings	2600	1.3k
1979C	Earning on Bets binary search combinatorics constructive algorithms number theory	1200	22.5k
1979E	Manhattan Triangle binary search constructive algorithms data structures geometry implementation two pointers	2400	1.9k
1978B	New Bakery binary search greedy math ternary search	800	25.6k
1976C	Job Interview binary search dp greedy implementation two pointers	1600	12.6k
1976D	Invertible Bracket Sequences binary search combinatorics data structures divide and conquer implementation two pointers	2000	5.9k
1975C	Chamo and Mocha's Array binary search brute force greedy	1200	17.4k
1975E	Chain Queries binary search data structures dfs and similar implementation trees	2100	2.9k
1974F	Cutting Game binary search brute force data structures implementation sortings two pointers	1900	4.5k
1973B	Cat, Fox and the Lonely Array binary search bitmasks data structures greedy math two pointers	1300	17.1k
1971E	Find the Car binary search math sortings	1500	18.7k
1971F	Circle Perimeter binary search brute force dfs and similar geometry implementation math	1600	12.7k
1969E	Unique Array binary search data structures divide and conquer dp greedy	2400	1.9k
1968F	Equal XOR Segments binary search data structures	1800	7.1k
1968G1	Division + LCP (easy version) binary search data structures dp hashing string suffix structures strings	1900	5.4k
1968G2	Division + LCP (hard version) binary search brute force data structures dp hashing math string suffix structures strings	2200	2.6k
1967A	Permutation Counting binary search greedy implementation math sortings	1400	15.2k
1967D	Long Way to be Non-decreasing binary search dfs and similar graphs implementation shortest paths two pointers	2800	998
1957F1	Frequency Mismatch (Easy Version) binary search data structures divide and conquer hashing probabilities trees	2600	706
1957F2	Frequency Mismatch (Hard Version) binary search data structures dfs and similar hashing probabilities trees	2700	659
1956A	Nene's Game binary search brute force data structures games greedy	800	24.5k
1954E	Chain Reaction binary search data structures dsu greedy implementation math number theory	2200	3k
1952G	Mathematician Takeover *special binary search dfs and similar math	unrated	1.2k
1951B	Battle Cows binary search data structures greedy	1200	17k
1951H	Thanos Snap binary search dp games greedy trees	3200	380
1951I	Growing Trees binary search constructive algorithms flows graphs greedy	3200	118
1949B	Charming Meals binary search brute force greedy sortings	1500	5k
1946C	Tree Cutting binary search dp greedy implementation trees	1600	14.1k
1945E	Binary Search binary search constructive algorithms greedy	1700	9.9k
1945G	Cook and Porridge binary search constructive algorithms data structures implementation	2500	946
1943E1	MEX Game 2 (Easy Version) binary search brute force greedy	2900	551
1943E2	MEX Game 2 (Hard Version) binary search greedy two pointers	3300	379

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