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Problemset

105 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2187E	Doors and Keys brute force data structures dp	3500	356
2185H	BattleCows 2 binary search brute force data structures dp greedy	2500	752
2159B	Rectangles brute force data structures dp dsu greedy implementation two pointers	2100	3.4k
2157E	Adjusting Drones binary search brute force data structures dp dsu greedy implementation sortings	1900	4.6k
2156E	Best Time to Buy and Sell Stock binary search brute force data structures dp games graphs greedy	2500	1k
2131G	Wafu! bitmasks brute force data structures dfs and similar dp math	2000	3.9k
2129B	Stay or Mirror brute force data structures dp greedy sortings	1600	15.1k
2122D	Traffic Lights brute force data structures divide and conquer dp graphs greedy shortest paths	2400	2.8k
2121H	Ice Baby binary search brute force data structures dp implementation sortings	2300	2.3k
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
2108C	Neo's Escape binary search brute force data structures dp dsu graphs greedy implementation	1500	15.1k
2107F2	Cycling (Hard Version) binary search brute force data structures dp greedy	2800	566
2104B	Move to the End brute force data structures dp greedy implementation	1000	21.3k
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2071D2	Infinite Sequence (Hard Version) bitmasks brute force constructive algorithms data structures dp implementation math	2500	1.1k
2064D	Eating binary search bitmasks brute force data structures dp greedy trees two pointers	1900	6k
2063C	Remove Exactly Two brute force data structures dfs and similar dp graphs greedy sortings trees	1600	15.1k
2056D	Unique Median binary search brute force combinatorics data structures divide and conquer dp	2200	3.7k
2053F	Earnest Matrix Complement brute force data structures dp greedy implementation math	2600	963
2048F	Kevin and Math Class brute force data structures divide and conquer dp implementation math trees	2500	1.3k
2043C	Sums on Segments binary search brute force data structures dp greedy math	1600	11.5k
2027C	Add Zeros brute force data structures dfs and similar dp graphs greedy	1500	14.1k
2025D	Attribute Checks brute force data structures dp implementation math two pointers	1800	8k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
2013F1	Game in Tree (Easy Version) binary search brute force data structures dp games greedy implementation trees	2700	679
2008E	Alternating String brute force data structures dp greedy implementation strings	1500	13.8k
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
2002E	Cosmic Rays brute force data structures dp	2300	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
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
1968G2	Division + LCP (hard version) binary search brute force data structures dp hashing math string suffix structures strings	2200	2.6k
1967C	Fenwick Tree bitmasks brute force combinatorics data structures dp math trees	2300	2.3k
1935C	Messenger in MAC binary search brute force constructive algorithms data structures dp greedy sortings	1800	9.9k
1927D	Find the Different Ones! binary search brute force data structures dp dsu greedy two pointers	1300	35.3k
1921F	Sum of Progression brute force data structures dp implementation math	1900	5.2k
1921G	Mischievous Shooter brute force data structures divide and conquer dp implementation	2200	1.5k
1917B	Erase First or Second Letter brute force combinatorics data structures dp strings	1100	38.7k
1895E	Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers	2300	1.9k
1889C1	Doremy's Drying Plan (Easy Version) brute force data structures dp greedy sortings	2000	4k
1884C	Medium Design brute force data structures dp greedy sortings	1700	7.5k
1864D	Matrix Cascade brute force constructive algorithms data structures dp greedy math	1700	7.7k
1858D	Trees and Segments brute force data structures dp greedy two pointers	2200	3.3k
1856C	To Become Max binary search brute force data structures dp	1600	19.2k
1845D	Rating System binary search brute force data structures dp dsu greedy math two pointers	1800	9.2k
1827C	Palindrome Partition binary search brute force data structures dp hashing strings	2600	1.8k
1826E	Walk the Runway bitmasks brute force data structures dp graphs implementation sortings	2400	2k
1819D	Misha and Apples brute force data structures dp two pointers	2800	904
1807G1	Subsequence Addition (Easy Version) brute force data structures dp greedy implementation sortings	1100	22.7k
1805E	There Should Be a Lot of Maximums brute force data structures dfs and similar dp trees two pointers	2300	2k
1797D	Li Hua and Tree brute force data structures dfs and similar dp implementation trees	1900	4.7k
1780F	Three Chairs bitmasks brute force combinatorics data structures dp number theory sortings	2300	2k
1774G	Segment Covering brute force combinatorics constructive algorithms data structures dp trees	3200	692
1771D	Hossam and (sub-)palindromic tree brute force data structures dfs and similar dp strings trees	2100	3.3k
1766E	Decomposition binary search brute force data structures divide and conquer dp two pointers	2300	1.5k
1748C	Zero-Sum Prefixes brute force data structures dp greedy implementation	1600	13.3k
1731D	Valiant's New Map binary search brute force data structures dp two pointers	1700	8.7k
1722E	Counting Rectangles brute force data structures dp implementation	1600	13.7k
1714D	Color with Occurrences brute force data structures dp greedy strings	1600	10.5k
1706D2	Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers	2400	2k
1695C	Zero Path brute force data structures dp graphs greedy shortest paths	1700	14.5k
1693D	Decinc Dividing brute force data structures divide and conquer dp greedy	2800	1.2k
1677A	Tokitsukaze and Strange Inequality brute force data structures dp	1600	9.4k
1661E	Narrow Components brute force data structures dp dsu math trees	2500	1.2k
1625E1	Cats on the Upgrade (easy version) brute force data structures dfs and similar divide and conquer dp graphs trees	2500	1.2k
1598E	Staircases brute force combinatorics data structures dfs and similar dp implementation math	2100	2.5k
1598F	RBS binary search bitmasks brute force data structures dp	2400	1.7k
1580A	Portal brute force data structures dp greedy implementation	1700	3.9k
1572A	Book binary search brute force data structures dp graphs implementation sortings	1800	10.6k
1561D1	Up the Strip (simplified version) brute force data structures dp math number theory	1700	6.2k
1545F	AquaMoon and Potatoes brute force data structures dp	3500	144
1526C1	Potions (Easy Version) brute force data structures dp greedy	1500	27.9k
1511F	Chainword brute force data structures dp matrices string suffix structures strings	2700	598
1511G	Chips on a Board bitmasks brute force data structures dp games two pointers	2700	988
1506G	Maximize the Remaining String brute force data structures dp greedy strings	2000	4.9k
1498C	Planar Reflections brute force data structures dp	1600	12.5k
1491C	Pekora and Trampoline brute force data structures dp greedy implementation	1700	8.4k
1408D	Searchlights binary search brute force data structures dp implementation sortings two pointers	2000	4.7k
1379C	Choosing flowers binary search brute force data structures dfs and similar dp greedy sortings two pointers	2000	6.2k
1335E1	Three Blocks Palindrome (easy version) binary search brute force data structures dp two pointers	1700	11.8k
1335E2	Three Blocks Palindrome (hard version) brute force data structures dp two pointers	1800	9.5k
1313C1	Skyscrapers (easy version) brute force data structures dp greedy	1500	11.2k
1285E	Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers	2300	2k
1202C	You Are Given a WASD-string... brute force data structures dp greedy implementation math strings	2100	2.8k
1200D	White Lines brute force data structures dp implementation two pointers	1900	4.4k
1200F	Graph Traveler brute force data structures dfs and similar dp graphs implementation math number theory	2300	1.2k
1155D	Beautiful Array brute force data structures divide and conquer dp greedy	1900	7.9k
979D	Kuro and GCD and XOR and SUM binary search bitmasks brute force data structures dp dsu greedy math number theory strings trees	2200	2.3k
873E	Awards For Contestants brute force data structures dp	2300	817
855B	Marvolo Gaunt's Ring brute force data structures dp	1500	10k
846C	Four Segments brute force data structures dp	1800	3k
797E	Array Queries brute force data structures dp	2000	5.8k
777E	Hanoi Factory brute force data structures dp greedy sortings	2000	4.9k
761F	Dasha and Photos brute force data structures dp implementation	2600	752
750D	New Year and Fireworks brute force data structures dfs and similar dp implementation	1900	3.2k
739E	Gosha is hunting brute force data structures dp flows math probabilities sortings	3000	2.8k
557C	Arthur and Table brute force data structures dp greedy math sortings	1900	4.3k
466C	Number of Ways binary search brute force data structures dp two pointers	1700	42.8k

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