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Problem set. String Algorithms Problems


IDTitleSourceAuthorsDifficulty

1102Strange DialogTetrahedron Team Online Contest May 20012626170

1158Censored!NEERC 2001 Northern Subregional896500

1177Like ComparisonsUSU Personal Contest 20023351317

1269Obscene Words FilterUSU Championship 2003541846

1297PalindromeSpring School Contest 2004561283

1354Palindrome. Again PalindromeSpring School Contest 20053239146

1393Average Common Prefix3931170

1423String TaleTimus Top Coders: First Challenge2629175

1486Equal SquaresUSU Championship 2006589729

1517Freedom of ChoiceTimus Top Coders: Third Challenge1517281

1590Bacon’s CipherNEERC 2007 Eastern Subregional1856213

1677Monkey at the KeyboardPetrozavodsk Summer 2008. USU Contest2141585

1684Jack's Last WordUSU Personal Contest 20091340260

1706Cipher Message 2Ural Championship 2009553617

1713Key SubstringsNEERC 2009 Eastern Subregional556583

1723Sandro's BookUral Regional School Programming Contest 2009538861

1732Ministry of TruthUSU Championship 2009755429

1799Sasha and swag strings284156

1835Swamp DoctorUral Championship 2011902814

1842Local RootsPetrozavodsk Summer 2010. USU Contest336273

1937Davy Jones’s OrganUral FU Championship 20122031109

1954Five PalindromesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection543428

1960Palindromes and Super AbilitiesPetrozavodsk Winter 2013. Kontur Cup. ChU 2013 Selection501429

2040Palindromes and Super Abilities 2Petrozavodsk Summer 2014. Ural FU Dandelion Contest246706

204431 PalindromesPetrozavodsk Summer 2014. Ural FU Dandelion Contest732177

2045Richness of wordsPetrozavodsk Summer 2014. Ural FU Dandelion Contest369477

2057Non-palidromic cuttingPalindromic Contest 373479

2058100500 palidnromesPalindromic Contest 981514

2059Not common palindromesPalindromic Contest 1291176

2060Subpalindrome pairsPalindromic Contest 282560

2061OEIS A216264Palindromic Contest 433085

2077ReductionsQualification of Eastern Subregional 2015175469

2118CiphertextPetrozavodsk Summer 2018. t.me/umnik_team Contest222135

2131Open CupLater is better than never73729

2137Dynamic string complexityLater is better than never83521