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CodeSignal

Maximizing Problem-Solving Efficiency in Scala

via CodeSignal

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Overview

This comprehensive course introduces advanced problem-solving strategies and analytical techniques that go beyond core programming. Topics include brute-force optimization, tackling combinatorial problems, and leveraging heaps and sorted collections effectively.

Syllabus

  • Unit 1: Finding Quadruple Sums
    • Two Sum Problem
    • Player Score Lookup
    • Equal Sum Index Pairs
  • Unit 2: Optimizing Range Minimum Queries
    • Range Maximum Prefix Sum
    • Longest Substring After Character Removal
    • Closest Perfect Square Divisor Count
  • Unit 3: Counting Non Overlapping Pairs
    • Count Pairs with Large Difference
    • Count Equal Pairs in Array
    • Three Letter Combinations with Two Identical Characters
  • Unit 4: Prefix Medians with Heaps
    • Priority Queue Operations Implementation
    • k-th Minimum Deletion with 3rd Minimum Queries
    • Dynamic Prefix Order Statistics
  • Unit 5: Efficient SortedSet Queries
    • Dynamic Minimum Distance Between Pairs
    • Dynamic Set Operations with Add Remove and Find Maximum
    • Dynamic Interval Operations

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