CodeBook
Ctrlk
  • Introduction
  • Array
  • Binary Search
  • Two Pointers
  • BFS
  • DFS
  • Tree
  • String
    • 1 Pattern
    • 2 Implementation
    • 3 Substring
    • 4 Number
      • Maximum Swap
      • Add Strings
      • Nth Digit
      • Compare Version Numbers
      • String to Integer (atoi)
      • Integer to English Words
      • Integer to Roman
      • Roman to Integer
      • Multiply Strings
      • Reverse Integer
    • 5 Decode
    • 6 Palindrome
    • 7 Evaluation
    • 8 Binary String
    • 9 Parenthesis
  • Data Structures
  • Advanced Data Structures
  • Graph
  • Dynamic Programming
  • Common Methods
  • Design/OOD
  • Appendix
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  1. String

4 Number

Maximum SwapAdd StringsNth DigitCompare Version NumbersString to Integer (atoi)Integer to English WordsInteger to RomanRoman to IntegerMultiply StringsReverse Integer
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Last updated 6 years ago