HackMD
String Study Guide
Basic String Operations
- 🟩 14. Longest Common Prefix [Solution]
- 🟩 58. Length of Last Word [Solution]
- 🟨 151. Reverse Words in a String [Solution]
- 🟩 2259. Remove Digit From Number to Maximize Result [Solution]
- 🟩 2678. Number of Senior Citizens [Solution]
- 🟨 3216. Lexicographically Smallest String After a Swap [Solution]
- 1684. Count the Number of Consistent Strings [Solution]
String Conversion and Manipulation
- 🟨 6. Zigzag Conversion [Solution]
- 🟨 8. String to Integer (atoi) [Solution]
- 🟨 271. Encode and Decode Strings [Solution]
- 🟥 65. Valid Number [Solution]
String and Numeric Operations
Palindrome Problems
- 🟥 336. Palindrome Pairs [Solution]
- 🟨 1328. Break a Palindrome [Solution]
Advanced String Algorithms
String Matching
Knuth-Morris-Pratt (KMP) Algorithm
Rabin-Karp Algorithm
Manacher's Algorithm
Trie (Prefix Tree)
Suffix Array and Suffix Tree
String Compression
Regular Expression
Problem Difficulty Legend
- 🟩 Easy
- 🟨 Medium
- 🟧 Medium-Hard
- 🟥 Hard
- ⬛ Very Hard
