Problemset - Codeforces

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two pointers

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Problems

#	Name
381A	Sereja and Dima greedy, implementation, two pointers	800	x60262
1791C	Prepend and Append implementation, two pointers	800	x40446
1462A	Favorite Sequence implementation, two pointers	800	x39937
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x32929
1873D	1D Eraser greedy, implementation, two pointers	800	x32541
1840A	Cipher Shifer implementation, strings, two pointers	800	x32519
1851B	Parity Sort greedy, sortings, two pointers	800	x28030
1843B	Long Long greedy, math, two pointers	800	x27993
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x20854
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x16739
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16375
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x15763
1896B	AB Flipping greedy, strings, two pointers	900	x13327
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27051
1690D	Black and White Stripe implementation, two pointers	1000	x26714
1840C	Ski Resort combinatorics, math, two pointers	1000	x24531
978C	Letters binary search, implementation, two pointers	1000	x24343
1744C	Traffic Light binary search, implementation, two pointers	1000	x24164
1760D	Challenging Valleys implementation, two pointers	1000	x22324
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x21214
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x19070
1251A	Broken Keyboard brute force, strings, two pointers	1000	x18804
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x23023
1547C	Pair Programming greedy, two pointers	1100	x22008
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19911
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19582
1899C	Yarik and Array dp, greedy, two pointers	1100	x18050
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x17627
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x17428
1741C	Minimize the Thickness brute force, greedy, math, two pointers	1100	x17182
1610B	Kalindrome Array greedy, two pointers	1100	x14750
1820B	JoJo's Incredible Adventures math, strings, two pointers	1100	x13357
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12770
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11652
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46467
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x36311
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x29108
1399C	Boats Competition brute force, greedy, two pointers	1200	x27748
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x26774
1133C	Balanced Team sortings, two pointers	1200	x21273
1006C	Three Parts of the Array binary search, data structures, two pointers	1200	x20207
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x20022
1692E	Binary Deque binary search, implementation, two pointers	1200	x19877
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x19187
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x18786
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x18087
1257C	Dominated Subarray greedy, implementation, sortings, strings, two pointers	1200	x15554
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15163
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x14315
6C	Alice, Bob and Chocolate greedy, two pointers	1200	x12988
387B	George and Round brute force, greedy, two pointers	1200	x11907
1305B	Kuroni and Simple Strings constructive algorithms, greedy, strings, two pointers	1200	x11327
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10597
842A	Kirill And The Game brute force, two pointers	1200	x9958
892B	Wrath greedy, implementation, two pointers	1200	x8659
302B	Eugeny and Play List binary search, implementation, two pointers	1200	x7781
769B	News About Credit *special problem, greedy, two pointers	1200	x3235
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x27377
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x26958
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21220
1366B	Shuffle math, two pointers	1300	x19581
1364B	Most socially-distanced subsequence greedy, two pointers	1300	x18416
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18166
251A	Points on Line binary search, combinatorics, two pointers	1300	x16575
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x15797
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x14692
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x14485
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13759
1794C	Scoring Subsequences binary search, greedy, math, two pointers	1300	x12439
1265B	Beautiful Numbers data structures, implementation, math, two pointers	1300	x12294
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x11983
716B	Complete the Word greedy, two pointers	1300	x11807
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10702
1225B2	TV Subscriptions (Hard Version) implementation, two pointers	1300	x10101
1107C	Brutality greedy, sortings, two pointers	1300	x9645
318B	Strings of Power implementation, strings, two pointers	1300	x7372
1776H	Beppa and SwerChat two pointers	1300	x5999
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4677
60A	Where Are My Flakes? implementation, two pointers	1300	x3523
279B	Books binary search, brute force, implementation, two pointers	1400	x47720
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x26710
1374D	Zero Remainder Array math, sortings, two pointers	1400	x22171
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19023
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16071
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x15874
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x15700
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15190
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x13924
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13556
1721C	Min-Max Array Transformation binary search, greedy, two pointers	1400	x12961
1719C	Fighting Tournament binary search, data structures, implementation, two pointers	1400	x12859
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x12801
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x12453
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12332
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10530
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10423
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10309
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9476
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x9121
1190A	Tokitsukaze and Discard Items implementation, two pointers	1400	x9113

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