- DSA Patterns
Sliding Window Maximum with Frequency Constraints
Complete Java solution for sliding window maximum problems with frequency-based constraints, including efficient implementations and trade-off analysis.
- DSA Patterns
Fixed-Size Sliding Window Techniques in Java
Master fixed-size window algorithms including maximum sum subarray, longest substring with k distinct characters, and optimal sliding window patterns for FAANG interviews.
- DSA Patterns
Fast Slow Pointer Algorithm Patterns in Java
Comprehensive guide to fast/slow pointer techniques for linked list cycle detection, middle element finding, and related algorithmic problems with Java implementations.
- DSA Patterns
Trapping Rain Water Algorithm Solution
Complete Java implementation of the trapping rain water problem with multiple approaches including two-pointer and dynamic programming techniques.
- DSA Problems
Prefix Sum with Hash Map Patterns in Java
Comprehensive guide to solving array and subarray problems using prefix sum techniques with hash map optimizations for efficient runtime complexity.
- DSA Patterns
Set-Based Deduplication Algorithms and Implementation Patterns
Comprehensive guide to deduplication techniques using hash sets and other set-based data structures with practical Java implementations.
- DSA Patterns
Frequency Counting with Hash Maps in Java
Comprehensive guide to implementing frequency counting using hash maps, including time complexity analysis and practical applications in FAANG interviews.
- DSA Problems
Happy Number Algorithm Solution
Complete Java implementation for determining happy numbers with optimal time and space complexity analysis.
- DSA Problems
Contains Duplicate Problem Solution
Complete Java implementation for detecting duplicate elements in an array with optimal time and space complexity analysis.
- DSA Problems
Isomorphic Strings Java Solution with HashMap
Complete Java implementation for determining if two strings are isomorphic, using character mapping with HashMap for optimal time and space complexity.
- DSA Patterns
Group Anagrams Problem Solution | LeetCode 49
Complete Java solution for grouping anagrams with optimal time and space complexity analysis for FAANG interviews.
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Compare Version Numbers Java Solution
Complete Java implementation to compare version numbers with proper edge case handling and performance considerations.
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