- DSA Problems
Basic Calculator Implementation and Evaluation
Complete Java solution for basic calculator with stack-based evaluation, handling parentheses and operator precedence.
- DSA Problems
Largest Rectangle in Histogram Algorithm Solution
Complete Java implementation for finding the largest rectangular area in a histogram with optimal time and space complexity analysis.
- DSA Patterns
Subtree of Another Tree Algorithm Solution
Complete Java implementation for checking if one binary tree is a subtree of another, including multiple approaches and time complexity analysis.
- DSA Problems
Car Fleet Problem Solution | Java Implementation for Traffic Flow Analysis
Complete Java solution for the Car Fleet problem analyzing traffic flow with stack-based approach and time complexity analysis.
- DSA Patterns
Tree Path Sum Problems in Java: DFS and BFS Solutions
Comprehensive guide to solving tree path sum problems using DFS and BFS traversal techniques with optimal time and space complexity analysis.
- DSA Problems
Evaluate Reverse Polish Notation with Stack Data Structure
Learn to evaluate Reverse Polish Notation expressions using a stack-based approach in Java with O(n) time and space complexity.
- DSA Patterns
Binary Tree Diameter and Height Analysis
Complete Java solution for calculating binary tree diameter, height, and balance with optimal time complexity and practical implementation considerations.
- DSA Patterns
Expression Evaluation Algorithms and Techniques
Comprehensive guide to evaluating mathematical expressions using stack-based approaches, infix to postfix conversion, and operator precedence handling.
- DSA Patterns
Monotonic Stack Patterns in Java: Efficient Algorithm Design
Comprehensive guide to monotonic stack patterns with practical Java implementations for FAANG interviews and algorithmic problem solving.
- DSA Problems
Corporate Flight Bookings Range Updates Problem
Solution to the corporate flight bookings problem using range update techniques and difference arrays for efficient batch updates.
- DSA Patterns
Valid Parentheses Problem Solution
Complete Java implementation for validating balanced parentheses using stack data structure with time and space complexity analysis.
- DSA Problems
Continuous Subarray Sum Problem Solution
Complete Java implementation for finding continuous subarrays with sum divisible by k, covering optimal approaches and edge cases.
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