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Problem set. String Algorithms Problems


IDTitleSourceAuthorsDifficulty

1297PalindromeSpring School Contest 2004570183

1723Sandro's BookUral Regional School Programming Contest 2009549961

1354Palindrome. Again PalindromeSpring School Contest 20053274146

1423String TaleTimus Top Coders: First Challenge2666175

1102Strange DialogTetrahedron Team Online Contest May 20012652171

1590Bacon’s CipherNEERC 2007 Eastern Subregional1885212

1517Freedom of ChoiceTimus Top Coders: Third Challenge1555277

1684Jack's Last WordUSU Personal Contest 20091352261

1158Censored!NEERC 2001 Northern Subregional910498

1732Ministry of TruthUSU Championship 2009760434

1486Equal SquaresUSU Championship 2006600724

1713Key SubstringsNEERC 2009 Eastern Subregional559590

1706Cipher Message 2Ural Championship 2009555625

1269Obscene Words FilterUSU Championship 2003549842

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection524423

1393Average Common Prefix4011158

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest376486

1177Like ComparisonsUSU Personal Contest 20023551258

2060Subpalindrome pairsPalindromic Contest 293563

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest248728

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest2201568

1937Davy Jones’s OrganUral FU Championship 20122071119

2059Not common palindromesPalindromic Contest 1331194

2058100500 palidnromesPalindromic Contest 1041498

1835Swamp DoctorUral Championship 2011912847

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest762183

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection553479

2061OEIS A216264Palindromic Contest 453104

2057Non-palidromic cuttingPalindromic Contest 373632

1842Local RootsPetrozavodsk Summer 2010. USU Contest346273

1799Sasha and swag strings314029

2118CiphertextPetrozavodsk Summer 2018. t.me/umnik_team Contest242246

2077ReductionsQualification of Eastern Subregional 2015175741

2131Open CupLater is better than never83971

2137Dynamic string complexityLater is better than never83970