Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 940 (Div. 2) and CodeCraft-23
35:12:45
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

strings

Add tag

Problems

#	Name
1883B	Chemistry strings	900	x26232
746B	Decoding implementation, strings	900	x26067
1606A	AB Balance strings	900	x22598
1005B	Delete from the Left brute force, implementation, strings	900	x22217
1860A	Not a Substring constructive algorithms, strings	900	x20702
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x20225
1451B	Non-Substring Subsequence dp, greedy, implementation, strings	900	x18963
1291A	Even But Not Even greedy, math, strings	900	x18944
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x16068
918B	Radio Station implementation, strings	900	x15582
1201A	Important Exam implementation, strings	900	x15135
1008A	Romaji implementation, strings	900	x14715
1896B	AB Flipping greedy, strings, two pointers	900	x13217
554A	Kyoya and Photobooks brute force, math, strings	900	x12688
1107A	Digits Sequence Dividing greedy, strings	900	x11864
776A	A Serial Killer brute force, implementation, strings	900	x11772
63A	Sinking Ship implementation, sortings, strings	900	x10774
745A	Hongcow Learns the Cyclic Shift implementation, strings	900	x10285
989A	A Blend of Springtime implementation, strings	900	x10135
94A	Restoring Password implementation, strings	900	x10090
801B	Valued Keys constructive algorithms, greedy, strings	900	x9999
1737A	Ela Sorting Books greedy, implementation, strings	900	x9925
616A	Comparing Two Long Integers implementation, strings	900	x9486
549A	Face Detection implementation, strings	900	x9334
981A	Antipalindrome brute force, implementation, strings	900	x9019
975A	Aramic script implementation, strings	900	x8948
747B	Mammoth's Genome Decoding implementation, strings	900	x8526
868A	Bark to Unlock brute force, implementation, strings	900	x8502
729A	Interview with Oleg implementation, strings	900	x7251
118A	String Task implementation, strings	1000	x180250
58A	Chat room greedy, strings	1000	x121538
131A	cAPS lOCK implementation, strings	1000	x80807
43A	Football strings	1000	x51699
1374C	Move Brackets greedy, strings	1000	x43087
499B	Lecture implementation, strings	1000	x37298
1473B	String LCM brute force, math, number theory, strings	1000	x29533
766A	Mahmoud and Longest Uncommon Subsequence constructive algorithms, strings	1000	x28621
1791D	Distinct Split brute force, greedy, strings	1000	x26567
219A	k-String implementation, strings	1000	x25863
1800B	Count the Number of Pairs greedy, strings	1000	x23813
1506C	Double-ended Strings brute force, implementation, strings	1000	x23157
1907B	YetnotherrokenKeoard data structures, implementation, strings	1000	x22937
1674C	Infinite Replacement combinatorics, implementation, strings	1000	x22818
1913B	Swap and Delete strings	1000	x21264
798A	Mike and palindrome brute force, constructive algorithms, strings	1000	x21005
1251A	Broken Keyboard brute force, strings, two pointers	1000	x18740
672B	Different is Good constructive algorithms, implementation, strings	1000	x17033
1111A	Superhero Transformation implementation, strings	1000	x16548
1796B	Asterisk-Minor Template implementation, strings	1000	x15959
1278A	Shuffle Hashing brute force, implementation, strings	1000	x15659
1027A	Palindromic Twist implementation, strings	1000	x15501
1073A	Diverse Substring implementation, strings	1000	x14828
1243B1	Character Swap (Easy Version) strings	1000	x14537
1223B	Strings Equalization strings	1000	x14418
1155A	Reverse a Substring implementation, sortings, strings	1000	x13327
1151A	Maxim and Biology brute force, strings	1000	x10892
844A	Diversity greedy, implementation, strings	1000	x10348
822B	Crossword solving brute force, implementation, strings	1000	x9312
108A	Palindromic Times implementation, strings	1000	x9143
259A	Little Elephant and Chess brute force, strings	1000	x8909
864B	Polycarp and Letters brute force, implementation, strings	1000	x8863
452A	Eevee brute force, implementation, strings	1000	x7884
1324B	Yet Another Palindrome Problem brute force, strings	1100	x27370
1703D	Double Strings brute force, data structures, strings	1100	x24166
1342B	Binary Period constructive algorithms, strings	1100	x23126
1626B	Minor Reduction greedy, strings	1100	x22266
1428C	ABBB brute force, data structures, greedy, strings	1100	x19585
1729C	Jumping on Tiles constructive algorithms, strings	1100	x19278
1917B	Erase First or Second Letter brute force, combinatorics, data structures, dp, strings	1100	x19111
1616B	Mirror in the String greedy, strings	1100	x19029
988B	Substrings Sort sortings, strings	1100	x17778
1304B	Longest Palindrome brute force, constructive algorithms, greedy, implementation, strings	1100	x17383
186A	Comparing Strings implementation, strings	1100	x16174
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x15675
43B	Letter implementation, strings	1100	x15594
501B	Misha and Changing Handles data structures, dsu, strings	1100	x15530
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x14696
1673B	A Perfectly Balanced String? brute force, greedy, strings	1100	x14202
525A	Vitaliy and Pie greedy, hashing, strings	1100	x13806
1820B	JoJo's Incredible Adventures math, strings, two pointers	1100	x13219
1670B	Dorms War brute force, implementation, strings	1100	x12392
721B	Passwords implementation, math, sortings, strings	1100	x11960
1609B	William the Vigilant implementation, strings	1100	x11488
755B	PolandBall and Game binary search, data structures, games, greedy, sortings, strings	1100	x10901
877A	Alex and broken contest implementation, strings	1100	x10680
723B	Text Document Analysis expression parsing, implementation, strings	1100	x9987
110B	Lucky String constructive algorithms, strings	1100	x9912
548A	Mike and Fax brute force, implementation, strings	1100	x9824
1105B	Zuhair and Strings brute force, implementation, strings	1100	x9785
712B	Memory and Trident implementation, strings	1100	x9596
1146B	Hate "A" implementation, strings	1100	x8183
544A	Set of Strings implementation, strings	1100	x7699
765B	Code obfuscation greedy, implementation, strings	1100	x7015
505A	Mr. Kitayuta's Gift brute force, implementation, strings	1100	x6587
196A	Lexicographically Maximum Subsequence greedy, strings	1100	x5278
90B	African Crossword implementation, strings	1100	x5137
245B	Internet Address implementation, strings	1100	x5115
312A	Whose sentence is it? implementation, strings	1100	x4844
1575A	Another Sorting Problem data structures, sortings, strings	1100	x4186
1369B	AccurateLee greedy, implementation, strings	1200	x23690