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CodeSignal

Mastering Algorithms: HashMaps, Two Pointers, and Beyond

via CodeSignal

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Overview

Dive into the key algorithms involving HashMaps, HashSets, and two-pointer techniques. This course will enhance your skills in optimizing data structures and problem-solving methods.

Syllabus

  • Unit 1: Complexity Analysis and Optimization Techniques Using Kotlin
    • Sum of Integerland Road Sections
    • Minimum Absolute Difference in Kotlinia
    • Optimized Array Replacement
  • Unit 2: Optimizing Data Sequence Intersection with Kotlin's Collections
    • Common Characters in String and List
    • Find Common Galaxies Using HashSet in Kotlin
    • Recommend Unwatched Popular Movies
  • Unit 3: Efficient List Manipulation and Optimization with Kotlin's HashMap
    • Partition Lexiconia's Scroll into Chapters
    • Maximize Broken Words by Removing One Character
    • Finding Shortest Distances Between Word Occurrences
  • Unit 4: Using the Two-Pointer Technique for Pair Sum Problems in Kotlin
    • Finding Zero-Sum Chocolate Pairs using Two-Pointer Technique
    • Maximum Subarray Sum with Two Pointers
    • Finding the Longest Subarray with a Given Sum using Two-Pointer Technique
  • Unit 5: Mastering Array Manipulation and the Two-Pointer Technique in Kotlin
    • Find Closest Numbers in Arrays
    • Network Influencer Identification in Two Degrees
    • Longest Substring with K Distinct Characters

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