Problemset - Codeforces

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Educational Codeforces Round 176 (Rated for Div. 2)
08:36:02
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two pointers

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Problems

#	Name
381A	Sereja and Dima greedy, implementation, two pointers	800	x71848
279B	Books binary search, brute force, implementation, two pointers	1400	x57705
1791C	Prepend and Append implementation, two pointers	800	x51564
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x50920
1462A	Favorite Sequence implementation, two pointers	800	x43791
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x39914
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x37590
1873D	1D Eraser greedy, implementation, two pointers	800	x37233
2000B	Seating in a Bus two pointers	800	x35993
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x35239
1840A	Cipher Shifer implementation, strings, two pointers	800	x35212
1690D	Black and White Stripe implementation, two pointers	1000	x33349
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x32124
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x32089
1840C	Ski Resort combinatorics, math, two pointers	1000	x31575
1744C	Traffic Light binary search, implementation, two pointers	1000	x30684
1851B	Parity Sort greedy, sortings, two pointers	800	x30253
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x30209
1399C	Boats Competition brute force, greedy, two pointers	1200	x30045
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x29954
1843B	Long Long greedy, math, two pointers	800	x29886
1968B	Prefiquence greedy, two pointers	800	x29113
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x29075
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x28647
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x28310
580B	Kefa and Company binary search, sortings, two pointers	1500	x27982
978C	Letters binary search, implementation, two pointers	1000	x26766
2060C	Game of Mathletes games, greedy, sortings, two pointers	900	x25714
2025A	Two Screens binary search, greedy, strings, two pointers	800	x25422
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x25373
1374D	Zero Remainder Array math, sortings, two pointers	1400	x25238
2000D	Right Left Wrong greedy, implementation, two pointers	1200	x24791
1760D	Challenging Valleys implementation, two pointers	1000	x24779
1832B	Maximum Sum brute force, sortings, two pointers	1100	x24741
1692E	Binary Deque binary search, implementation, two pointers	1200	x24374
1133C	Balanced Team sortings, two pointers	1200	x24355
1972A	Contest Proposal brute force, greedy, two pointers	800	x24130
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x24049
1899C	Yarik and Array dp, greedy, two pointers	1100	x23918
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x23867
1547C	Pair Programming greedy, two pointers	1100	x23184
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x23050
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x22915
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x22520
1366B	Shuffle math, two pointers	1300	x22332
1006C	Three Parts of the Array binary search, data structures, two pointers	1200	x22035
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x22001
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x21798
1997B	Make Three Regions constructive algorithms, two pointers	1100	x21678
1352E	Special Elements brute force, implementation, two pointers	1500	x21581
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x21502
1364B	Most socially-distanced subsequence greedy, two pointers	1300	x21083
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x20873
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x20779
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x20453
1251A	Broken Keyboard brute force, strings, two pointers	1000	x20115
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19922
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x19802
676C	Vasya and String binary search, dp, strings, two pointers	1500	x19588
1389C	Good String brute force, dp, greedy, two pointers	1500	x19453
1982C	Boring Day binary search, data structures, dp, greedy, two pointers	1200	x19064
1995B1	Bouquet (Easy Version) binary search, brute force, greedy, sortings, two pointers	1100	x19037
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x18686
2051D	Counting Pairs binary search, sortings, two pointers	1200	x18605
251A	Points on Line binary search, combinatorics, two pointers	1300	x18540
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x18454
1741C	Minimize the Thickness brute force, greedy, math, two pointers	1100	x18236
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x17958
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x17737
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x17683
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x17347
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x17307
702C	Cellular Network binary search, implementation, two pointers	1500	x17187
1610B	Kalindrome Array greedy, two pointers	1100	x17186
1873F	Money Trees binary search, greedy, math, two pointers	1300	x17074
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x17034
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16941
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x16784
1304C	Air Conditioner dp, greedy, implementation, sortings, two pointers	1500	x16735
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x16610
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x16550
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x16442
701C	They Are Everywhere binary search, strings, two pointers	1500	x16393
1820B	JoJo's Incredible Adventures math, strings, two pointers	1100	x16294
1257C	Dominated Subarray greedy, implementation, sortings, strings, two pointers	1200	x16258
2025C	New Game binary search, brute force, greedy, implementation, sortings, two pointers	1300	x16243
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x16241
2064B	Variety is Discouraged binary search, constructive algorithms, greedy, two pointers	1100	x16191
1986D	Mathematical Problem brute force, dp, greedy, implementation, math, two pointers	1400	x16110
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15997
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x15961
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x15880
1896B	AB Flipping greedy, strings, two pointers	900	x15826
1690E	Price Maximization binary search, greedy, math, two pointers	1500	x15792
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x15603
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x15511
1794C	Scoring Subsequences binary search, greedy, math, two pointers	1300	x15457
1547E	Air Conditioners data structures, dp, implementation, shortest paths, sortings, two pointers	1500	x15048
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x15004
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x15002

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