Problemset - Codeforces

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Codeforces Round 940 (Div. 2)
3 days
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two pointers

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Problems

#	Name
381A	Sereja and Dima greedy, implementation, two pointers	800	x59611
1791C	Prepend and Append implementation, two pointers	800	x39906
1462A	Favorite Sequence implementation, two pointers	800	x39718
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x32785
1840A	Cipher Shifer implementation, strings, two pointers	800	x32363
1873D	1D Eraser greedy, implementation, two pointers	800	x32240
1851B	Parity Sort greedy, sortings, two pointers	800	x27861
1843B	Long Long greedy, math, two pointers	800	x27858
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x20815
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x16683
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16348
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x15720
1896B	AB Flipping greedy, strings, two pointers	900	x13200
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27010
1690D	Black and White Stripe implementation, two pointers	1000	x26460
1840C	Ski Resort combinatorics, math, two pointers	1000	x24260
978C	Letters binary search, implementation, two pointers	1000	x24179
1744C	Traffic Light binary search, implementation, two pointers	1000	x23924
1760D	Challenging Valleys implementation, two pointers	1000	x22200
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x20965
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x18965
1251A	Broken Keyboard brute force, strings, two pointers	1000	x18733
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x22775
1547C	Pair Programming greedy, two pointers	1100	x21943
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19742
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19397
1899C	Yarik and Array dp, greedy, two pointers	1100	x17801
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x17539
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x17294
1741C	Minimize the Thickness brute force, greedy, math, two pointers	1100	x17110
1610B	Kalindrome Array greedy, two pointers	1100	x14645
1820B	JoJo's Incredible Adventures math, strings, two pointers	1100	x13209
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12579
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11542
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46159
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x36185
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x29007
1399C	Boats Competition brute force, greedy, two pointers	1200	x27627
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x26679
1133C	Balanced Team sortings, two pointers	1200	x21155
1006C	Three Parts of the Array binary search, data structures, two pointers	1200	x20095
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x19950
1692E	Binary Deque binary search, implementation, two pointers	1200	x19716
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x19046
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x18650
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x17914
1257C	Dominated Subarray greedy, implementation, sortings, strings, two pointers	1200	x15526
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x14931
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x14195
6C	Alice, Bob and Chocolate greedy, two pointers	1200	x12861
387B	George and Round brute force, greedy, two pointers	1200	x11894
1305B	Kuroni and Simple Strings constructive algorithms, greedy, strings, two pointers	1200	x11238
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10577
842A	Kirill And The Game brute force, two pointers	1200	x9953
892B	Wrath greedy, implementation, two pointers	1200	x8645
302B	Eugeny and Play List binary search, implementation, two pointers	1200	x7764
769B	News About Credit *special problem, greedy, two pointers	1200	x3230
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x27192
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x26796
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21132
1366B	Shuffle math, two pointers	1300	x19491
1364B	Most socially-distanced subsequence greedy, two pointers	1300	x18334
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x17892
251A	Points on Line binary search, combinatorics, two pointers	1300	x16501
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x15693
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x14578
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x14421
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13612
1794C	Scoring Subsequences binary search, greedy, math, two pointers	1300	x12319
1265B	Beautiful Numbers data structures, implementation, math, two pointers	1300	x12281
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x11966
716B	Complete the Word greedy, two pointers	1300	x11772
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10651
1225B2	TV Subscriptions (Hard Version) implementation, two pointers	1300	x10056
1107C	Brutality greedy, sortings, two pointers	1300	x9633
318B	Strings of Power implementation, strings, two pointers	1300	x7357
1776H	Beppa and SwerChat two pointers	1300	x5971
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4671
60A	Where Are My Flakes? implementation, two pointers	1300	x3514
279B	Books binary search, brute force, implementation, two pointers	1400	x47315
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x26560
1374D	Zero Remainder Array math, sortings, two pointers	1400	x22085
1369C	RationalLee greedy, math, sortings, two pointers	1400	x18988
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16027
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x15736
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x15611
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15146
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x13898
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13255
1721C	Min-Max Array Transformation binary search, greedy, two pointers	1400	x12917
1719C	Fighting Tournament binary search, data structures, implementation, two pointers	1400	x12816
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x12695
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12134
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x11009
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10366
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10342
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10265
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9445
1190A	Tokitsukaze and Discard Items implementation, two pointers	1400	x9103
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x8973

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