Strings
Character-level parsing, palindromes, rotations and pattern matching on text.
Solved
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1Longest Common Prefixvertical scanEasy2Isomorphic Stringsbijection · hash mapEasy3Rotate Stringstring doublingEasy4Reverse Words in a Stringparsing · reversalMedium5String to Integer (atoi)parsing · simulationMedium6Longest Palindromic Substringexpand around centre · palindromeMedium7Zigzag ConversionsimulationMedium8String Compressiontwo pointers · run-length encodingMedium9Shortest PalindromeKMP · palindromeHard10Text Justificationsimulation · greedy packingHard