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Computer Programming

2721 learners

Mastering Algorithms: HashMaps, Two Pointers, and Beyond in Java

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.

Java

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5 lessons

15 practices

3 hours

General Programming and Algorithms

Lessons and practices

Lesson 1: Complexity Analysis and Optimization in Java

Summing Points Between Two Towns in Integerland

Finding the Smallest Absolute Difference in an Integer List

Optimized Array Replacement

Lesson 2: Complexity Analysis and Optimization Using HashSet in Java

Common Characters Extraction Task

Efficient Celestial Body Search Using HashSet in Java

Movie Recommendation System Based on Viewing History

Lesson 3: Using HashMap for Optimal List Manipulation and Analysis in Java

Partitioning Characters into Substrings

Maximizing Unique Words by Removing a Character

Shortest Distance Between Word Occurrences

Lesson 4: Two-Pointer Technique for Pair Sum in Java

Chocolates Sweetness Pairing Task

Finding the Maximum Sum of k-Length Subarray Using Two Pointers

Longest Subarray with Given Sum

Lesson 5: Complex Array Manipulation and Two-Pointer Technique in Java

Closest Half Numbers in Arrays

Finding the Most Influential Person in a Social Network

Longest Substring with K Distinct Characters

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