Mastering Algorithms: HashMaps, Two Pointers, and Beyond in C++

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.

Lessons and practices

Lesson 1: Complexity Analysis and Optimization in C++

Sum of Points between Two Towns in Integerland

Finding the Smallest Absolute Difference

Optimized Array Replacement

Lesson 2: Complexity Analysis and Optimization with C++ Unordered Sets

Common Characters in String and Array

Check Celestial Body Presence

Movie Recommendation System Based on Viewing History

Lesson 3: Performance Optimization with Unordered Maps in C++

Deciphering the Cryptic Scrolls of Alphaland in C++

Identify Character for Maximum Unique Word Breaks

Finding the Shortest Distance Between Word Occurrences

Lesson 4: Introduction to the Two-Pointer Technique in C++

Finding Chocolate Sweetness Pairs Using Two-Pointer Algorithm

Maximum Sum of k-Length Subarray Using Two-Pointer Technique

Longest Subarray with Target Sum

Lesson 5: Complex Array Manipulation Techniques in C++

Closest Half-Value Correspondence

Identifying the Most Connected Person

Longest Substring with At Most K Distinct Characters

Interested in this course? Learn and practice with Cosmo!

Practice is how you turn knowledge into actual skills.