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Problemset

124 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2227D	Palindromex binary search brute force constructive algorithms data structures greedy implementation two pointers	1200	13.9k
2204F	Sum of Fractions binary search brute force combinatorics data structures greedy math number theory two pointers	2200	1.3k
2200F	Mooclear Reactor 2 brute force data structures greedy implementation sortings	1900	3.2k
2196E1	Fuzzy Concatenation (Easy Version) binary search bitmasks brute force data structures greedy string suffix structures	2900	311
2185H	BattleCows 2 binary search brute force data structures dp greedy	2500	752
2182F2	Christmas Reindeer (hard version) bitmasks brute force combinatorics data structures greedy math	2500	1.1k
2164C	Dungeon binary search brute force data structures greedy sortings	1400	12.3k
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
2156F1	Strange Operation (Easy Version) brute force data structures greedy implementation sortings	2200	1.7k
2147E	Maximum OR Popcount binary search bitmasks brute force data structures greedy	2300	2.2k
2146E	Yet Another MEX Problem brute force constructive algorithms data structures divide and conquer greedy hashing	2300	2.2k
2129B	Stay or Mirror brute force data structures dp greedy sortings	1600	15.1k
2123G	Modular Sorting brute force data structures greedy math number theory sortings	2100	3.3k
2122D	Traffic Lights brute force data structures divide and conquer dp graphs greedy shortest paths	2400	2.8k
2121F	Yamakasi binary search brute force data structures greedy two pointers	1800	8.3k
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
2101B	Quartet Swapping brute force data structures divide and conquer greedy sortings	1800	8.1k
2101C	23 Kingdom binary search brute force data structures greedy ternary search two pointers	2200	3.8k
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2077D	Maximum Polygon brute force data structures greedy implementation math	3100	393
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
2063D	Game With Triangles binary search brute force data structures geometry greedy implementation math ternary search two pointers	2000	5.2k
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
2053F	Earnest Matrix Complement brute force data structures dp greedy implementation math	2600	963
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
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
2033E	Sakurako, Kosuke, and the Permutation brute force data structures dfs and similar dsu graphs greedy math	1400	14.5k
2027C	Add Zeros brute force data structures dfs and similar dp graphs greedy	1500	14.1k
2026C	Action Figures binary search brute force constructive algorithms data structures greedy implementation	1500	12.9k
2021E1	Digital Village (Easy Version) brute force data structures dfs and similar dp dsu fft graphs greedy implementation math trees	2300	2k
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
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
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
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
1996G	Penacony brute force data structures graphs greedy hashing	2200	2.4k
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
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
1956A	Nene's Game binary search brute force data structures games greedy	800	24.5k
1935C	Messenger in MAC binary search brute force constructive algorithms data structures dp greedy sortings	1800	9.9k
1935E	Distance Learning Courses in MAC bitmasks brute force data structures greedy math	2400	1.7k
1928D	Lonely Mountain Dungeons brute force data structures greedy math ternary search	1900	5.3k
1927D	Find the Different Ones! binary search brute force data structures dp dsu greedy two pointers	1300	35.3k
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
1887C	Minimum Array binary search brute force constructive algorithms data structures greedy hashing two pointers	2400	2.3k
1884C	Medium Design brute force data structures dp greedy sortings	1700	7.5k
1876G	Clubstep binary search brute force data structures greedy trees	3500	295
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
1845D	Rating System binary search brute force data structures dp dsu greedy math two pointers	1800	9.2k
1834D	Survey in Class brute force data structures greedy implementation sortings	1900	5.6k
1810E	Monsters brute force data structures dfs and similar dsu graphs greedy	2100	4k
1807G1	Subsequence Addition (Easy Version) brute force data structures dp greedy implementation sortings	1100	22.7k
1798B	Three Sevens brute force data structures greedy implementation	1000	19k
1781E	Rectangle Shrinking binary search brute force data structures greedy implementation two pointers	2300	1.5k
1748C	Zero-Sum Prefixes brute force data structures dp greedy implementation	1600	13.3k
1728E	Red-Black Pepper brute force data structures greedy math number theory	2300	2.1k
1720B	Interesting Sum brute force data structures greedy math sortings	800	22.5k
1714D	Color with Occurrences brute force data structures dp greedy strings	1600	10.5k
1710B	Rain binary search brute force data structures geometry greedy implementation math	2100	2.8k
1706D2	Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers	2400	2k
1705E	Mark and Professor Koro binary search bitmasks brute force combinatorics data structures greedy	2300	2.5k
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
1687C	Sanae and Giant Robot binary search brute force data structures dsu greedy sortings	2500	1.7k
1684E	MEX vs DIFF binary search brute force constructive algorithms data structures greedy two pointers	2100	3.7k
1665E	MinimizOR bitmasks brute force data structures divide and conquer greedy implementation two pointers	2500	1.9k
1641C	Anonymity Is Important binary search brute force data structures dsu greedy sortings	2200	2.9k
1638F	Two Posters brute force data structures greedy two pointers	3200	277
1616E	Lexicographically Small Enough brute force data structures greedy strings	2200	2.8k
1593E	Gardener and Tree brute force data structures dfs and similar greedy implementation trees	1600	15.1k
1582C	Grandma Capa Knits a Scarf brute force data structures greedy strings two pointers	1200	25.2k
1580A	Portal brute force data structures dp greedy implementation	1700	3.9k
1574D	The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation	2000	4.9k
1526C1	Potions (Easy Version) brute force data structures dp greedy	1500	27.9k
1523C	Compression and Expansion brute force data structures greedy implementation trees	1600	9.2k
1519C	Berland Regional brute force data structures greedy number theory sortings	1400	23.4k
1508C	Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees	2500	1.8k
1506G	Maximize the Remaining String brute force data structures dp greedy strings	2000	4.9k
1499C	Minimum Grid Path brute force data structures greedy math	1500	13.5k

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