Problemset - Codeforces

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Codeforces Round 975 (Div. 1)
04:04:31
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Before contest
Codeforces Round 975 (Div. 2)
04:04:31
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Difficulty: —

two pointers

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Problems

#	Name
2000D	Right Left Wrong greedy, implementation, two pointers	1200	x21536
2000B	Seating in a Bus two pointers	800	x32295
1997B	Make Three Regions constructive algorithms, two pointers	1100	x19823
1995B1	Bouquet (Easy Version) binary search, brute force, greedy, sortings, two pointers	1100	x17161
1986D	Mathematical Problem brute force, dp, greedy, implementation, math, two pointers	1400	x14757
1982C	Boring Day binary search, data structures, dp, greedy, two pointers	1200	x16869
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x13645
1972A	Contest Proposal brute force, greedy, two pointers	800	x22593
1968B	Prefiquence greedy, two pointers	800	x27477
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x15019
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x15506
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x17135
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x13827
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x21096
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x21433
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x12846
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x15202
1899C	Yarik and Array dp, greedy, two pointers	1100	x20928
1896B	AB Flipping greedy, strings, two pointers	900	x14681
1884B	Haunted House binary search, greedy, math, two pointers	1100	x12618
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x10860
1873F	Money Trees binary search, greedy, math, two pointers	1300	x15390
1873D	1D Eraser greedy, implementation, two pointers	800	x34899
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11438
1851B	Parity Sort greedy, sortings, two pointers	800	x29209
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x19945
1843B	Long Long greedy, math, two pointers	800	x28935
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x34150
1840C	Ski Resort combinatorics, math, two pointers	1000	x27583
1840A	Cipher Shifer implementation, strings, two pointers	800	x33937
1832B	Maximum Sum brute force, sortings, two pointers	1100	x21824
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x18940
1820B	JoJo's Incredible Adventures math, strings, two pointers	1100	x14605
1794C	Scoring Subsequences binary search, greedy, math, two pointers	1300	x13757
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x20199
1791C	Prepend and Append implementation, two pointers	800	x45070
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x16164
1776H	Beppa and SwerChat two pointers	1300	x6368
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x14311
1760D	Challenging Valleys implementation, two pointers	1000	x23596
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x17135
1744C	Traffic Light binary search, implementation, two pointers	1000	x27075
1741C	Minimize the Thickness brute force, greedy, math, two pointers	1100	x17730
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x14992
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x20574
1721C	Min-Max Array Transformation binary search, greedy, two pointers	1400	x13347
1719C	Fighting Tournament binary search, data structures, implementation, two pointers	1400	x13209
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x16947
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x14336
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x17633
1692E	Binary Deque binary search, implementation, two pointers	1200	x21838
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x22982
1690D	Black and White Stripe implementation, two pointers	1000	x29422
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16771
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x16679
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x25629
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x18803
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x21141
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15593
1610B	Kalindrome Array greedy, two pointers	1100	x15836
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9723
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x20766
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x15579
1547C	Pair Programming greedy, two pointers	1100	x22614
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x28379
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16465
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x22397
1462A	Favorite Sequence implementation, two pointers	800	x41556
1431B	Polycarp and the Language of Gods *special problem, implementation, two pointers	1400	x1010
1399C	Boats Competition brute force, greedy, two pointers	1200	x28795
1374D	Zero Remainder Array math, sortings, two pointers	1400	x23707
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19566
1366B	Shuffle math, two pointers	1300	x20968
1364B	Most socially-distanced subsequence greedy, two pointers	1300	x19823
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x28003
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27772
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x30828
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x38301
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x28209
1305B	Kuroni and Simple Strings constructive algorithms, greedy, strings, two pointers	1200	x11742
1265B	Beautiful Numbers data structures, implementation, math, two pointers	1300	x12575
1257C	Dominated Subarray greedy, implementation, sortings, strings, two pointers	1200	x15938
1251A	Broken Keyboard brute force, strings, two pointers	1000	x19598
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x15980
1225B2	TV Subscriptions (Hard Version) implementation, two pointers	1300	x10590
1190A	Tokitsukaze and Discard Items implementation, two pointers	1400	x9359
1133C	Balanced Team sortings, two pointers	1200	x22747
1107C	Brutality greedy, sortings, two pointers	1300	x9942
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x12130
1006C	Three Parts of the Array binary search, data structures, two pointers	1200	x21051
978C	Letters binary search, implementation, two pointers	1000	x25461
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x20755
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x9168
892B	Wrath greedy, implementation, two pointers	1200	x8895
888C	K-Dominant Character binary search, implementation, two pointers	1400	x8219
842A	Kirill And The Game brute force, two pointers	1200	x10171
769B	News About Credit *special problem, greedy, two pointers	1200	x3287
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x8033
716B	Complete the Word greedy, two pointers	1300	x12130
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10793

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