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Problemset

680 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2070E	Game with Binary String constructive algorithms data structures divide and conquer games greedy math	2200	1.9k
2066B	White Magic constructive algorithms data structures dp greedy implementation	1900	5.6k
2066E	Tropical Season binary search data structures greedy implementation	3300	429
2065F	Skibidus and Slay data structures dfs and similar graphs greedy trees	1700	7.3k
2064D	Eating binary search bitmasks brute force data structures dp greedy trees two pointers	1900	6k
2064E	Mycraft Sand Sort combinatorics data structures dsu greedy math sortings	2400	1.5k
2063B	Subsequence Update constructive algorithms data structures greedy sortings	1100	23.6k
2063C	Remove Exactly Two brute force data structures dfs and similar dp graphs greedy sortings trees	1600	15.1k
2063D	Game With Triangles binary search brute force data structures geometry greedy implementation math ternary search two pointers	2000	5.2k
2063E	Triangle Tree data structures dfs and similar dp greedy trees	2300	2.4k
2062E1	The Game (Easy Version) data structures dfs and similar games graphs greedy trees	2000	4.4k
2059D	Graph and Graph data structures graphs greedy shortest paths	1900	6.7k
2057D	Gifts Order data structures greedy implementation math matrices	2000	5.5k
2057H	Coffee Break data structures greedy math	3500	189
2055E	Haystacks brute force constructive algorithms data structures greedy sortings	2800	496
2053B	Outstanding Impressionist binary search brute force data structures greedy	1200	17.2k
2053D	Refined Product Optimality binary search data structures greedy math schedules sortings	1700	7.8k
2053F	Earnest Matrix Complement brute force data structures dp greedy implementation math	2600	963
2053I1	Affectionate Arrays (Easy Version) data structures dp greedy	2800	566
2053I2	Affectionate Arrays (Hard Version) data structures dp graphs greedy math shortest paths two pointers	3500	110
2051E	Best Price binary search brute force data structures greedy sortings	1600	12.3k
2048D	Kevin and Competition Memories binary search brute force data structures greedy sortings two pointers	1600	8.5k
2046B	Move Back at a Cost binary search data structures greedy sortings	1600	11.2k
2046C	Adventurers binary search data structures greedy sortings ternary search two pointers	2100	2.4k
2046F1	Yandex Cuneiform (Easy Version) constructive algorithms data structures greedy	3300	142
2046F2	Yandex Cuneiform (Hard Version) constructive algorithms data structures greedy implementation	3500	110
2043C	Sums on Segments binary search brute force data structures dp greedy math	1600	11.5k
2043E	Matrix Transformation bitmasks brute force data structures dfs and similar graphs greedy implementation	2300	1.9k
2042E	Vertex Pairs binary search brute force data structures dfs and similar divide and conquer greedy implementation trees	2900	535
2041J	Bottle Arrangement data structures divide and conquer dp dsu greedy	2700	273
2041M	Selection Sort binary search data structures greedy two pointers	2000	1.4k
2038C	DIY data structures geometry greedy sortings	1400	7.2k
2038E	Barrels data structures greedy math	2900	158
2037D	Sharky Surfing data structures greedy two pointers	1300	15k
2036E	Reverse the Rivers binary search constructive algorithms data structures greedy	1600	9.8k
2035D	Yet Another Real Number Problem binary search data structures divide and conquer greedy implementation math	1800	5.9k
2034B	Rakhsh's Revival data structures greedy implementation two pointers	1000	16.1k
2033D	Kousuke's Assignment data structures dp dsu greedy math	1300	18.6k
2033E	Sakurako, Kosuke, and the Permutation brute force data structures dfs and similar dsu graphs greedy math	1400	14.5k
2033G	Sakurako and Chefir data structures dfs and similar dp greedy trees	2200	2k
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
2031D	Penchick and Desert Rabbit binary search data structures dfs and similar dp dsu greedy implementation two pointers	1700	10.1k
2031E	Penchick and Chloe's Trees data structures dfs and similar dp greedy implementation math sortings trees	2100	2.8k
2030E	MEXimize the Score combinatorics data structures dp greedy implementation math	2200	2k
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
2029D	Cool Graph constructive algorithms data structures dfs and similar dsu graphs greedy trees	1900	4k
2028D	Alice's Adventures in Cards constructive algorithms data structures dp graphs greedy implementation ternary search	2000	3.8k
2027C	Add Zeros brute force data structures dfs and similar dp graphs greedy	1500	14.1k
2027D2	The Endspeaker (Hard Version) binary search data structures dp greedy implementation two pointers	2200	1.9k
2026C	Action Figures binary search brute force constructive algorithms data structures greedy implementation	1500	12.9k
2023F	Hills and Pits data structures greedy math matrices	3500	137
2021A	Meaning Mean data structures greedy math sortings	800	21.8k
2021C2	Adjust The Presentation (Hard Version) constructive algorithms data structures greedy implementation sortings	1900	4.6k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2021E3	Digital Village (Extreme Version) data structures dfs and similar dp dsu graphs greedy math trees	2800	725
2018B	Speedbreaker binary search data structures dp greedy implementation two pointers	1900	5.3k
2018D	Max Plus Min Plus Size data structures dp dsu greedy implementation matrices sortings	2200	2.2k
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
2014D	Robert Hood and Mrs Hood brute force data structures greedy sortings	1400	16.3k
2014G	Milky Days brute force data structures greedy implementation	2200	1.8k
2014H	Robin Hood Archery data structures divide and conquer greedy hashing	1900	6k
2013F1	Game in Tree (Easy Version) binary search brute force data structures dp games greedy implementation trees	2700	679
2011F	Good Subarray *special data structures greedy	unrated	132
2008E	Alternating String brute force data structures dp greedy implementation strings	1500	13.8k
2007B	Index and Maximum Value data structures greedy	900	26k
2006D	Iris and Adjacent Products data structures greedy implementation math	2600	997
2005E2	Subtangle Game (Hard Version) data structures dp games greedy implementation	2500	1.1k
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
2003E2	Turtle and Inversions (Hard Version) brute force data structures divide and conquer dp greedy math two pointers	2700	654
2003F	Turtle and Three Sequences brute force data structures dp greedy math probabilities two pointers	2800	838
2001D	Longest Max Min Subsequence brute force constructive algorithms data structures greedy implementation	1900	6.6k
2000E	Photoshoot for Gorillas combinatorics data structures greedy math	1400	16.5k
1998D	Determine Winning Islands in Race data structures dp graphs greedy shortest paths	2100	4.2k
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
1997C	Even Positions constructive algorithms data structures greedy	1100	25.8k
1996G	Penacony brute force data structures graphs greedy hashing	2200	2.4k
1995B2	Bouquet (Hard Version) binary search data structures greedy math sortings two pointers	1700	10.3k
1990F	Polygonal Segments brute force data structures divide and conquer dp greedy two pointers	2800	464
1989D	Smithing Skill brute force data structures dp greedy math sortings two pointers	1900	7.2k
1987E	Wonderful Tree! brute force data structures dfs and similar dsu greedy trees	2000	4.2k
1986B	Matrix Stabilization brute force data structures greedy sortings	1000	30.4k
1986C	Update Queries data structures greedy sortings	1100	26.3k
1983D	Swap Dilemma constructive algorithms data structures divide and conquer greedy math sortings	1700	11.5k
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
1981E	Turtle and Intersected Segments data structures dsu graphs greedy	2600	1.3k
1980E	Permutation of Rows and Columns constructive algorithms data structures greedy hashing implementation math matrices sortings	1600	13.3k
1980G	Yasya and the Mysterious Tree bitmasks data structures dfs and similar graphs greedy strings trees	2300	1.8k
1978C	Manhattan Permutations constructive algorithms data structures greedy implementation math	1300	18k
1978D	Elections data structures greedy implementation math	1600	13.9k
1978E	Computing Machine brute force data structures dp greedy implementation	2000	4.7k
1977C	Nikita and LCM brute force data structures dp greedy math number theory sortings	1900	8.2k
1976E	Splittable Permutations combinatorics data structures dfs and similar greedy math trees	2500	1.3k
1976F	Remove Bridges data structures dfs and similar dp greedy sortings trees	2800	893
1974G	Money Buys Less Happiness Now data structures greedy sortings	2000	6.2k

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