Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
24:10:18
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Codeforces Round 941 (Div. 2)
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two pointers

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Problems

#	Name
381A	Sereja and Dima greedy, implementation, two pointers	800	x59944
279B	Books binary search, brute force, implementation, two pointers	1400	x47501
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46332
1791C	Prepend and Append implementation, two pointers	800	x40183
1462A	Favorite Sequence implementation, two pointers	800	x39806
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x36236
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34478
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x32856
1840A	Cipher Shifer implementation, strings, two pointers	800	x32425
1873D	1D Eraser greedy, implementation, two pointers	800	x32375
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x29062
1851B	Parity Sort greedy, sortings, two pointers	800	x27955
1843B	Long Long greedy, math, two pointers	800	x27928
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	x27286
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	x26883
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x26733
1690D	Black and White Stripe implementation, two pointers	1000	x26624
1324D	Pair of Topics binary search, data structures, sortings, two pointers	1400	x26617
580B	Kefa and Company binary search, sortings, two pointers	1500	x24829
1840C	Ski Resort combinatorics, math, two pointers	1000	x24409
978C	Letters binary search, implementation, two pointers	1000	x24290
1744C	Traffic Light binary search, implementation, two pointers	1000	x24051
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x22897
1760D	Challenging Valleys implementation, two pointers	1000	x22265
1374D	Zero Remainder Array math, sortings, two pointers	1400	x22134
1547C	Pair Programming greedy, two pointers	1100	x21979
1133C	Balanced Team sortings, two pointers	1200	x21226
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21176
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x21158
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x20844
1006C	Three Parts of the Array binary search, data structures, two pointers	1200	x20145
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x19995
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19839
1692E	Binary Deque binary search, implementation, two pointers	1200	x19812
1366B	Shuffle math, two pointers	1300	x19543
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19495
1352E	Special Elements brute force, implementation, two pointers	1500	x19210
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x19113
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x19020
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19005
1251A	Broken Keyboard brute force, strings, two pointers	1000	x18773
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x18738
1364B	Most socially-distanced subsequence greedy, two pointers	1300	x18377
1389C	Good String brute force, dp, greedy, two pointers	1500	x18319
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18051
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x18021
676C	Vasya and String binary search, dp, strings, two pointers	1500	x17997
1899C	Yarik and Array dp, greedy, two pointers	1100	x17951
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x17587
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x17384
1741C	Minimize the Thickness brute force, greedy, math, two pointers	1100	x17157
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x16701
251A	Points on Line binary search, combinatorics, two pointers	1300	x16545
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16361
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16053
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x15829
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x15746
1304C	Air Conditioner dp, greedy, implementation, sortings, two pointers	1500	x15745
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x15742
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x15667
1257C	Dominated Subarray greedy, implementation, sortings, strings, two pointers	1200	x15539
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x15536
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15172
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15061
1610B	Kalindrome Array greedy, two pointers	1100	x14700
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x14667
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x14631
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14539
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x14458
1690E	Price Maximization binary search, greedy, math, two pointers	1500	x14448
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x14259
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	x13783
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13688
701C	They Are Everywhere binary search, strings, two pointers	1500	x13646
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13411
1553D	Backspace dp, greedy, strings, two pointers	1500	x13289
1820B	JoJo's Incredible Adventures math, strings, two pointers	1100	x13284
1896B	AB Flipping greedy, strings, two pointers	900	x13271
1462E1	Close Tuples (easy version) binary search, combinatorics, math, sortings, two pointers	1500	x13169
1792C	Min Max Sort binary search, brute force, greedy, math, two pointers	1500	x13135
702C	Cellular Network binary search, implementation, two pointers	1500	x12967
6C	Alice, Bob and Chocolate greedy, two pointers	1200	x12957
1721C	Min-Max Array Transformation binary search, greedy, two pointers	1400	x12948
427C	Checkposts dfs and similar, graphs, two pointers	1700	x12908
1719C	Fighting Tournament binary search, data structures, implementation, two pointers	1400	x12845
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x12757
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	x12696
86D	Powerful array data structures, implementation, math, two pointers	2200	x12479
1794C	Scoring Subsequences binary search, greedy, math, two pointers	1300	x12399
372A	Counting Kangaroos is Fun binary search, greedy, sortings, two pointers	1600	x12312
1265B	Beautiful Numbers data structures, implementation, math, two pointers	1300	x12284
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12231
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12227
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12217
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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