String Algorithms

Everything about String Algorithms

1. Article · Data Structures and Algorithms (DSA)

   Maximum Weight Transformation of String

   Learn a dynamic-programming approach to maximize a binary string's weight by forming non-overlapping alternating pairs while accounting for toggle costs.

   Sandhiya PriyaOct 274,7461,000
2. Article · Data Structures and Algorithms (DSA)

   Palindrome with Replacement – Minimum Adjacent Difference

   Solve a wildcard palindrome problem by minimizing the total ASCII difference between adjacent characters, including impossibility checks and a Java implementation.

   Sandhiya PriyaOct 222,2931,000
3. Article · Data Structures and Algorithms (DSA)

   Longest Matching Word in Dictionary with Removals

   Learn how to solve the Longest Matching Word in Dictionary with Removals problem in Java. This article explains the subsequence concept, character position preprocessing, binary search, greedy matching, complete Java solution, dry run, and time and space complexity.

   Sandhiya PriyaSep 222,2861,000
4. Article · Java

   Secret Cipher – O(n) Java Solution Using KMP

   Learn how to solve the Secret Cipher problem efficiently using the KMP (Knuth-Morris-Pratt) prefix function / LPS array in Java. This article explains how repeated prefixes can be identified and compressed using *, how the algorithm constructs the lexicographically smallest encrypted string, and how to achieve O(n) time complexity for strings up to 105 characters.

   Sandhiya Priya
5. Article · Data Structures and Algorithms (DSA)

   Shortest Unique Prefix for Every Word (Trie)

   Discover the shortest unique prefix for every word in an array using a Trie. Efficiently identify distinct word beginnings with this optimized algorithm.

   Sandhiya PriyaJul 203,0591,000
6. Article · Data Structures and Algorithms (DSA)

   Ways to Increase LCS by One (Dynamic Programming)

   Master dynamic programming to efficiently count LCS increases. Learn prefix/suffix DP for O(nm) solutions, avoiding brute-force recomputation.

   Sandhiya PriyaJul 31,7451,000