Computer Programming
16 learners
Mastering Hashes, Two Pointers, and Additional Algorithms in Ruby
Explore key programming algorithms involving Hashes, Sets, and two-pointer techniques. This course will boost your skills in optimizing data structures and refining your problem-solving strategies.
Ruby
See path
5 lessons
15 practices
3 hours
Badge for General Programming and Algorithms,
General Programming and Algorithms
Lessons and practices
Lesson 1: Complexity Analysis and Optimization in Ruby
Calculate Total Points Between Towns in Integerland
Finding the Smallest Absolute Difference in an Array
Optimized Replacement in Arrays
Lesson 2: Optimizing Array Comparisons with Ruby Sets
Common Characters Extraction Task
Check Celestial Body Presence Using Set
Movie Recommendation System
Lesson 3: Optimizing Array Manipulation Using Ruby Hashes
String Partition Challenge
Breaking Maximum Words in a String
Construct a Method to Find Minimum Word Distances in a List
Lesson 4: Efficient Pair Finding with the Two-Pointer Technique in Ruby
Find Chocolate Pairs with Zero Sweetness
Maximum Sum Subarray Using Two-Pointer Technique
Finding the Longest Subarray with a Given Sum
Lesson 5: Optimizing Array Processing with Ruby Techniques
Find Closest Half in Arrays
Identify the Person with the Most Connections within Two Degrees
Longest Substring with K Distinct Characters
Meet Cosmo:
The smartest AI guide in the universe
Our built-in AI guide and tutor, Cosmo, prompts you with challenges that are built just for you and unblocks you when you get stuck.
Sign up
Join the 1M+ learners on CodeSignal
Be a part of our community of 1M+ users who develop and demonstrate their skills on CodeSignal