Problemset - Codeforces

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Problems

#	Name
2038L	Bridge Renovation brute force, dp, greedy, math, two pointers	1400	x2600
2037F	Ardent Flames binary search, data structures, math, sortings, two pointers	2100	x1329
2037E	Kachina's Favorite Binary String dp, greedy, interactive, two pointers	1600	x3854
2037D	Sharky Surfing data structures, greedy, two pointers	1300	x7735
2036F	XORificator 3000 bitmasks, dp, number theory, two pointers	1900	x3240
2033C	Sakurako's Field Trip dp, greedy, two pointers	1400	x12493
2032D	Genokraken constructive algorithms, data structures, graphs, greedy, implementation, interactive, trees, two pointers	1800	x4466
2032C	Trinity binary search, math, sortings, two pointers	1400	x10936
2031D	Penchick and Desert Rabbit binary search, data structures, dfs and similar, dp, dsu, greedy, implementation, two pointers	1700	x4982
2030F	Orangutan Approved Subarrays binary search, data structures, dp, greedy, implementation, two pointers	2400	x672
2028C	Alice's Adventures in Cutting Cake binary search, dp, greedy, two pointers	1600	x5669
2027D2	The Endspeaker (Hard Version) binary search, data structures, dp, greedy, implementation, two pointers	2200	x1281
2027D1	The Endspeaker (Easy Version) binary search, dp, graphs, greedy, implementation, two pointers	1700	x4629
2025D	Attribute Checks brute force, data structures, dp, implementation, math, two pointers	1800	x5861
2025C	New Game binary search, brute force, greedy, implementation, sortings, two pointers	1300	x14403
2025A	Two Screens binary search, greedy, strings, two pointers	800	x23362
2018B	Speedbreaker binary search, data structures, dp, greedy, implementation, two pointers	1900	x3926
2010C2	Message Transmission Error (hard version) hashing, string suffix structures, strings, two pointers	1700	x3110
2009G1	Yunli's Subarray Queries (easy version) binary search, data structures, two pointers	1900	x3773
2006C	Eri and Expanded Sets data structures, divide and conquer, math, number theory, two pointers	2300	x1637
2003F	Turtle and Three Sequences brute force, data structures, dp, greedy, math, probabilities, two pointers	2800	x480
2003E2	Turtle and Inversions (Hard Version) brute force, data structures, divide and conquer, dp, greedy, math, two pointers	2700	x519
2000D	Right Left Wrong greedy, implementation, two pointers	1200	x22954
2000B	Seating in a Bus two pointers	800	x33767
1997B	Make Three Regions constructive algorithms, two pointers	1100	x20632
1995E2	Let Me Teach You a Lesson (Hard Version) data structures, dp, matrices, two pointers	2900	x303
1995E1	Let Me Teach You a Lesson (Easy Version) 2-sat, data structures, dp, matrices, two pointers	2700	x381
1995B2	Bouquet (Hard Version) binary search, data structures, greedy, math, sortings, two pointers	1700	x8791
1995B1	Bouquet (Easy Version) binary search, brute force, greedy, sortings, two pointers	1100	x17993
1994C	Hungry Games binary search, dp, two pointers	1600	x10799
1992F	Valuable Cards brute force, dp, greedy, number theory, two pointers	1900	x5765
1990F	Polygonal Segments brute force, data structures, divide and conquer, dp, greedy, two pointers	2800	x295
1989D	Smithing Skill brute force, data structures, dp, greedy, math, sortings, two pointers	1900	x5985
1986D	Mathematical Problem brute force, dp, greedy, implementation, math, two pointers	1400	x15237
1983F	array-value binary search, bitmasks, data structures, greedy, two pointers	2500	x1206
1982C	Boring Day binary search, data structures, dp, greedy, two pointers	1200	x17617
1979E	Manhattan Triangle binary search, constructive algorithms, data structures, geometry, implementation, two pointers	2400	x1455
1978F	Large Graph data structures, dfs and similar, dsu, graphs, number theory, two pointers	2400	x1348
1976D	Invertible Bracket Sequences binary search, combinatorics, data structures, divide and conquer, implementation, two pointers	2000	x4635
1976C	Job Interview binary search, dp, greedy, implementation, two pointers	1600	x10424
1974F	Cutting Game binary search, brute force, data structures, implementation, sortings, two pointers	1900	x3587
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x14161
1972A	Contest Proposal brute force, greedy, two pointers	800	x23001
1968B	Prefiquence greedy, two pointers	800	x28007
1967D	Long Way to be Non-decreasing binary search, dfs and similar, graphs, implementation, shortest paths, two pointers	2800	x678
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x15554
1949J	Amanda the Amoeba graphs, implementation, trees, two pointers	2600	x401
1948D	Tandem Repeats? brute force, strings, two pointers	1700	x9523
1943E2	MEX Game 2 (Hard Version) binary search, greedy, two pointers	3300	x305
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x6100
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x9793
1939C	More Gifts *special problem, dfs and similar, two pointers		x317
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x517
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2964
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x15920
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x17715
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x14197
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x21880
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x6900
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x21826
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4855
1912I	Innovative Washing Machine geometry, math, two pointers	3300	x57
1905D	Cyclic MEX data structures, implementation, math, two pointers	2000	x3916
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x13603
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x15845
1901F	Landscaping binary search, geometry, two pointers	2900	x155
1899G	Unusual Entertainment data structures, dfs and similar, dsu, shortest paths, sortings, trees, two pointers	1900	x3271
1899C	Yarik and Array dp, greedy, two pointers	1100	x21684
1898E	Sofia and Strings data structures, greedy, sortings, strings, two pointers	2200	x2330
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5857
1896B	AB Flipping greedy, strings, two pointers	900	x15060
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1587
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x9023
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x13597
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x983
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1775
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1503
1884B	Haunted House binary search, greedy, math, two pointers	1100	x12811
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x5478
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x11354
1876D	Lexichromatography combinatorics, dfs and similar, dsu, graphs, two pointers	2500	x892
1873F	Money Trees binary search, greedy, math, two pointers	1300	x15835
1873D	1D Eraser greedy, implementation, two pointers	800	x35743
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11624
1866I	Imagination Castle dp, games, two pointers	2300	x772
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2797
1858D	Trees and Segments brute force, data structures, dp, greedy, two pointers	2200	x2853
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4543
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x3297
1851B	Parity Sort greedy, sortings, two pointers	800	x29535
1849E	Max to the Right of Min binary search, data structures, divide and conquer, dp, dsu, two pointers	2300	x1682
1849D	Array Painting constructive algorithms, greedy, two pointers	1700	x8678
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x20168
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7929
1843E	Tracking Segments binary search, brute force, data structures, two pointers	1600	x12617
1843B	Long Long greedy, math, two pointers	800	x29288
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x34459
1841F	Monocarp and a Strategic Game geometry, sortings, two pointers	2700	x502
1841D	Pairs of Segments data structures, greedy, sortings, two pointers	2000	x4482
1840C	Ski Resort combinatorics, math, two pointers	1000	x28562

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