Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
34:24:33
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Before contest
Codeforces Round 941 (Div. 2)
34:24:32
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two pointers

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Problems

#	Name
381A	Sereja and Dima greedy, implementation, two pointers	800	x59929
279B	Books binary search, brute force, implementation, two pointers	1400	x47489
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46319
1791C	Prepend and Append implementation, two pointers	800	x40159
1462A	Favorite Sequence implementation, two pointers	800	x39801
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x36235
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34473
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x32851
1840A	Cipher Shifer implementation, strings, two pointers	800	x32422
1873D	1D Eraser greedy, implementation, two pointers	800	x32364
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x29056
1851B	Parity Sort greedy, sortings, two pointers	800	x27947
1843B	Long Long greedy, math, two pointers	800	x27921
1399C	Boats Competition brute force, greedy, two pointers	1200	x27700
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x27283
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27034
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x26879
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x26728
1690D	Black and White Stripe implementation, two pointers	1000	x26616
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x26614
580B	Kefa and Company binary search, sortings, two pointers	1500	x24823
1840C	Ski Resort combinatorics, math, two pointers	1000	x24406
978C	Letters binary search, implementation, two pointers	1000	x24279
1744C	Traffic Light binary search, implementation, two pointers	1000	x24043
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x22886
1760D	Challenging Valleys implementation, two pointers	1000	x22263
1374D	Zero Remainder Array math, sortings, two pointers	1400	x22132
1547C	Pair Programming greedy, two pointers	1100	x21974
1133C	Balanced Team sortings, two pointers	1200	x21221
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21173
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x21153
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x20842
1006C	Three Parts of the Array binary search, data structures, two pointers	1200	x20133
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x19991
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19834
1692E	Binary Deque binary search, implementation, two pointers	1200	x19806
1366B	Shuffle math, two pointers	1300	x19538
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19490
1352E	Special Elements brute force, implementation, two pointers	1500	x19208
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x19109
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x19017
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19002
1251A	Broken Keyboard brute force, strings, two pointers	1000	x18772
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x18736
1364B	Most socially-distanced subsequence greedy, two pointers	1300	x18374
1389C	Good String brute force, dp, greedy, two pointers	1500	x18316
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18039
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x18014
676C	Vasya and String binary search, dp, strings, two pointers	1500	x17996
1899C	Yarik and Array dp, greedy, two pointers	1100	x17942
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x17585
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x17377
1741C	Minimize the Thickness brute force, greedy, math, two pointers	1100	x17155
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x16700
251A	Points on Line binary search, combinatorics, two pointers	1300	x16542
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16361
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16049
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x15825
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x15745
1304C	Air Conditioner dp, greedy, implementation, sortings, two pointers	1500	x15743
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x15740
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x15661
1257C	Dominated Subarray greedy, implementation, sortings, strings, two pointers	1200	x15539
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x15535
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15172
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15049
1610B	Kalindrome Array greedy, two pointers	1100	x14697
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x14659
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x14630
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14534
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x14453
1690E	Price Maximization binary search, greedy, math, two pointers	1500	x14447
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x14253
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x13913
1547E	Air Conditioners data structures, dp, implementation, shortest paths, sortings, two pointers	1500	x13782
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13685
701C	They Are Everywhere binary search, strings, two pointers	1500	x13643
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13402
1553D	Backspace dp, greedy, strings, two pointers	1500	x13287
1820B	JoJo's Incredible Adventures math, strings, two pointers	1100	x13280
1896B	AB Flipping greedy, strings, two pointers	900	x13267
1462E1	Close Tuples (easy version) binary search, combinatorics, math, sortings, two pointers	1500	x13164
1792C	Min Max Sort binary search, brute force, greedy, math, two pointers	1500	x13133
702C	Cellular Network binary search, implementation, two pointers	1500	x12964
6C	Alice, Bob and Chocolate greedy, two pointers	1200	x12954
1721C	Min-Max Array Transformation binary search, greedy, two pointers	1400	x12948
427C	Checkposts dfs and similar, graphs, two pointers	1700	x12906
1719C	Fighting Tournament binary search, data structures, implementation, two pointers	1400	x12841
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x12755
1381A2	Prefix Flip (Hard Version) constructive algorithms, data structures, implementation, strings, two pointers	1700	x12734
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12684
86D	Powerful array data structures, implementation, math, two pointers	2200	x12473
1794C	Scoring Subsequences binary search, greedy, math, two pointers	1300	x12393
372A	Counting Kangaroos is Fun binary search, greedy, sortings, two pointers	1600	x12311
1265B	Beautiful Numbers data structures, implementation, math, two pointers	1300	x12284
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12225
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12222
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12214
1343D	Constant Palindrome Sum brute force, data structures, greedy, two pointers	1700	x12182
1333C	Eugene and an array binary search, data structures, implementation, two pointers	1700	x12097

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