🧠 DSA Practice Journey

Welcome to my Data Structures and Algorithms (DSA) practice repository.
I created this to build strong problem-solving skills and improve my logical thinking by solving DSA problems consistently.

🎯 Purpose

To build a strong foundation in DSA
To improve my logic and thinking process
To become confident in solving real-world coding problems
To maintain a consistent habit of coding and problem solving

📚 Topics Covered

I will cover a wide range of DSA topics including:

Arrays
Strings
Linked Lists
Stacks & Queues
Trees & Binary Trees
Recursion & Backtracking
HashMaps & HashSets
Sorting & Searching
Binary Search
Sliding Window
Two Pointers
Graphs (BFS/DFS)
Dynamic Programming (DP)
Bit Manipulation
Tries

🌐 Platforms Used

I solve problems from multiple platforms including:

📁 Folder Structure

Each folder represents a topic and contains solutions for problems I solved:

Name		Name	Last commit message	Last commit date
.vscode		.vscode
3 Sum		3 Sum
4 Sum		4 Sum
Binary Tree Inorder Traversal		Binary Tree Inorder Traversal
Binary Tree Paths		Binary Tree Paths
BinarySearch		BinarySearch
Build Tree From PreOrder and Inorder		Build Tree From PreOrder and Inorder
Buy and Sell Stock		Buy and Sell Stock
Celebrity Problem		Celebrity Problem
Check Knight Tour Configuration		Check Knight Tour Configuration
Combinations Sum		Combinations Sum
Container With Most Water		Container With Most Water
Copy List With Random Pointers		Copy List With Random Pointers
Count Prime		Count Prime
Design A Min Stack		Design A Min Stack
Diameter of Binary Tree		Diameter of Binary Tree
Find Missing anD Duplicate		Find Missing anD Duplicate
Find the duplicate Value		Find the duplicate Value
First Unique Character In a String		First Unique Character In a String
Flatten Binary Tree To Linked Lists		Flatten Binary Tree To Linked Lists
Flatten Double Linked List		Flatten Double Linked List
Gas Station		Gas Station
Implement Stack Using Queue		Implement Stack Using Queue
Implment Queue Using Stack		Implment Queue Using Stack
LCA (Lowest Common Accesstor		LCA (Lowest Common Accesstor
LRU Cache		LRU Cache
Largest Rectangle In Histogram		Largest Rectangle In Histogram
Linked List Cycle II		Linked List Cycle II
Linked List Cycle		Linked List Cycle
MajorityElement		MajorityElement
Max Width Of Binary Tree		Max Width Of Binary Tree
MaximumSubarray		MaximumSubarray
Medians of Two Sorted Array		Medians of Two Sorted Array
Merge Two Sorted Array		Merge Two Sorted Array
Merge Two Sorted Lists		Merge Two Sorted Lists
Middle of a Linked List		Middle of a Linked List
NQueens		NQueens
Next Greater Element II		Next Greater Element II
Next Greater Element		Next Greater Element
Next Greater I		Next Greater I
Next Permutations		Next Permutations
Palindrom Digit		Palindrom Digit
Palindrome Partitienings		Palindrome Partitienings
Peak Index in A Mountain Array		Peak Index in A Mountain Array
Permutations		Permutations
Pow(x,n)		Pow(x,n)
Previous Smaller Element		Previous Smaller Element
Product Of An Array Except Self		Product Of An Array Except Self
Remove All Occureness In a String		Remove All Occureness In a String
Reverse A Linked List		Reverse A Linked List
Reverse Integer		Reverse Integer
Reverse Node In K Group		Reverse Node In K Group
Reverse a Word In a String		Reverse a Word In a String
ReverseString		ReverseString
Rotated Sorted Array		Rotated Sorted Array
Same Tree		Same Tree
Search In A 2D Matrix		Search In A 2D Matrix
Search In a 2D matric 2		Search In a 2D matric 2
Single Element In Sorted Array		Single Element In Sorted Array
SingleNumber		SingleNumber
Sliding Window Maximum		Sliding Window Maximum
Sorted Colors		Sorted Colors
Spiral Matrix		Spiral Matrix
Stock Span		Stock Span
SubArray Sum Equal K		SubArray Sum Equal K
Subsets II		Subsets II
Substree of Another Tree		Substree of Another Tree
Sudoku Solver		Sudoku Solver
Swap Nodes In Pair		Swap Nodes In Pair
Trapping Rain Water		Trapping Rain Water
Two Sum		Two Sum
Valid Palindrom		Valid Palindrom
Valid Parenthesis		Valid Parenthesis
fibonaci		fibonaci
README.md		README.md

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