Problemset - Codeforces

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Educational Codeforces Round 173 (Rated for Div. 2)
28:31:31
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two pointers

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Problems

#	Name
2038L	Bridge Renovation brute force, dp, greedy, math, two pointers	1400	x4587
2037D	Sharky Surfing data structures, greedy, two pointers	1300	x10544
2034B	Rakhsh's Revival data structures, greedy, implementation, two pointers	1000	x11117
2033C	Sakurako's Field Trip dp, greedy, two pointers	1400	x13338
2032C	Trinity binary search, math, sortings, two pointers	1400	x12096
2025C	New Game binary search, brute force, greedy, implementation, sortings, two pointers	1300	x14952
2025A	Two Screens binary search, greedy, strings, two pointers	800	x24098
2000D	Right Left Wrong greedy, implementation, two pointers	1200	x23586
2000B	Seating in a Bus two pointers	800	x34586
1997B	Make Three Regions constructive algorithms, two pointers	1100	x20939
1995B1	Bouquet (Easy Version) binary search, brute force, greedy, sortings, two pointers	1100	x18305
1986D	Mathematical Problem brute force, dp, greedy, implementation, math, two pointers	1400	x15464
1982C	Boring Day binary search, data structures, dp, greedy, two pointers	1200	x18120
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x14329
1972A	Contest Proposal brute force, greedy, two pointers	800	x23312
1968B	Prefiquence greedy, two pointers	800	x28284
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x15728
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x16132
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x17920
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x14377
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x22375
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x21991
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x13988
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x16227
1899C	Yarik and Array dp, greedy, two pointers	1100	x22168
1896B	AB Flipping greedy, strings, two pointers	900	x15258
1884B	Haunted House binary search, greedy, math, two pointers	1100	x12902
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x11690
1873F	Money Trees binary search, greedy, math, two pointers	1300	x16177
1873D	1D Eraser greedy, implementation, two pointers	800	x36148
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11752
1851B	Parity Sort greedy, sortings, two pointers	800	x29733
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x20297
1843B	Long Long greedy, math, two pointers	800	x29445
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x34716
1840C	Ski Resort combinatorics, math, two pointers	1000	x29185
1840A	Cipher Shifer implementation, strings, two pointers	800	x34583
1832B	Maximum Sum brute force, sortings, two pointers	1100	x23066
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x19706
1820B	JoJo's Incredible Adventures math, strings, two pointers	1100	x15307
1794C	Scoring Subsequences binary search, greedy, math, two pointers	1300	x14406
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x21427
1791C	Prepend and Append implementation, two pointers	800	x48065
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x16324
1776H	Beppa and SwerChat two pointers	1300	x6569
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x14987
1760D	Challenging Valleys implementation, two pointers	1000	x24202
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x17393
1744C	Traffic Light binary search, implementation, two pointers	1000	x28631
1741C	Minimize the Thickness brute force, greedy, math, two pointers	1100	x17930
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x15253
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x21496
1721C	Min-Max Array Transformation binary search, greedy, two pointers	1400	x13523
1719C	Fighting Tournament binary search, data structures, implementation, two pointers	1400	x13415
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x17574
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x14586
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x18458
1692E	Binary Deque binary search, implementation, two pointers	1200	x22990
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x23888
1690D	Black and White Stripe implementation, two pointers	1000	x31087
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16874
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x17354
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x27096
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x19518
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x21332
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15794
1610B	Kalindrome Array greedy, two pointers	1100	x16418
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9834
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x21265
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x16274
1547C	Pair Programming greedy, two pointers	1100	x22899
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x29259
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16659
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x22971
1462A	Favorite Sequence implementation, two pointers	800	x42589
1431B	Polycarp and the Language of Gods *special problem, implementation, two pointers	1400	x1018
1399C	Boats Competition brute force, greedy, two pointers	1200	x29507
1374D	Zero Remainder Array math, sortings, two pointers	1400	x24331
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19735
1366B	Shuffle math, two pointers	1300	x21518
1364B	Most socially-distanced subsequence greedy, two pointers	1300	x20299
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x28567
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27997
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x31488
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x38975
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x29101
1305B	Kuroni and Simple Strings constructive algorithms, greedy, strings, two pointers	1200	x11824
1265B	Beautiful Numbers data structures, implementation, math, two pointers	1300	x12798
1257C	Dominated Subarray greedy, implementation, sortings, strings, two pointers	1200	x16119
1251A	Broken Keyboard brute force, strings, two pointers	1000	x19872
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x16538
1225B2	TV Subscriptions (Hard Version) implementation, two pointers	1300	x10800
1190A	Tokitsukaze and Discard Items implementation, two pointers	1400	x9410
1133C	Balanced Team sortings, two pointers	1200	x23713
1107C	Brutality greedy, sortings, two pointers	1300	x10041
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x12222
1006C	Three Parts of the Array binary search, data structures, two pointers	1200	x21641
978C	Letters binary search, implementation, two pointers	1000	x26151
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x21431
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x9283

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