🚀 LeetCode Journey

Consistent problem solving • Data Structures • Algorithms • Interview Prep

Problems - Solving | Language: C++ & Python | Focus: DSA and Logic | Goal: +5 problems everyday

🧠 About This Repository

📊 Stats: 103 solved | 88% acceptance rate

This repository contains my solutions to LeetCode problems.
I use this space to strengthen my understanding of:

Data Structures
Algorithmic Patterns
Time & Space Optimization
Clean Code Practices

Every solution reflects my effort to move from brute-force thinking to optimized approaches.

📊 Progress Tracker

Difficulty	Solved
🟢 Easy	169
🟡 Medium	95
🔴 Hard	13
Total	277

🛠 Topics Covered

Arrays
Strings
Linked Lists
Stacks & Queues
Recursion
Binary Search
Trees
Graphs
Dynamic Programming
Sliding Window
Two Pointers
Greedy Algorithms

Name		Name	Last commit message	Last commit date
DCP-03-26		DCP-03-26
array		array
backtracking		backtracking
binary-search		binary-search
binary-tree		binary-tree
bit-manipulation		bit-manipulation
boyer-moore-string-search-algorithm		boyer-moore-string-search-algorithm
brainteaser		brainteaser
breadth-first-search		breadth-first-search
counting-sort		counting-sort
counting		counting
depth-first-search		depth-first-search
design		design
divide-and-conquer		divide-and-conquer
dynamic-programming		dynamic-programming
game-theory		game-theory
geometry		geometry
graph		graph
greedy		greedy
hash-table		hash-table
knuth-morris-pratt-algorithm		knuth-morris-pratt-algorithm
linked-list		linked-list
math		math
matrix		matrix
memoization		memoization
number-theory		number-theory
prefix-sum		prefix-sum
recursion		recursion
simulation		simulation
sliding-window		sliding-window
sorting		sorting
stack		stack
string-matching		string-matching
string		string
tree		tree
trie		trie
two-pointers		two-pointers
union-find		union-find
z-algorithm		z-algorithm
Add-Binary.c		Add-Binary.c
Add-Two-Integers.cpp		Add-Two-Integers.cpp
Apply-Operations-to-an-Array.cpp		Apply-Operations-to-an-Array.cpp
Binary-Tree-Preorder-Traversal.py		Binary-Tree-Preorder-Traversal.py
Build-Array-from-Permutation.cpp		Build-Array-from-Permutation.cpp
Bulls-and-Cows.cpp		Bulls-and-Cows.cpp
Calculate-Money-In-Leetcode-Bank.py		Calculate-Money-In-Leetcode-Bank.py
Can-Place-Flowers.cpp		Can-Place-Flowers.cpp
Check-If-One-String-Swap-Can-Make-Strings-Equal.py		Check-If-One-String-Swap-Can-Make-Strings-Equal.py
Climbing-Stairs.c		Climbing-Stairs.c
Climbing-Stairs.py		Climbing-Stairs.py
Concatenation-of-Array.cpp		Concatenation-of-Array.cpp
Convert-Sorted-Array-To-Binary-Search-Tree.py		Convert-Sorted-Array-To-Binary-Search-Tree.py
Convert-the-Temperature.cpp		Convert-the-Temperature.cpp
Count-Binary-Substrings.py		Count-Binary-Substrings.py
Count-Commas-In-Range-Ii.py		Count-Commas-In-Range-Ii.py
Count-Commas-In-Range.py		Count-Commas-In-Range.py
Count-Distinct-Numbers-on-Board.cpp		Count-Distinct-Numbers-on-Board.cpp
Count-Elements-With-Maximum-Frequency.cpp		Count-Elements-With-Maximum-Frequency.cpp
Count-Largest-Group.py		Count-Largest-Group.py
Count-Nodes-Equal-To-Average-Of-Subtree.py		Count-Nodes-Equal-To-Average-Of-Subtree.py
Count-Operations-to-Obtain-Zero.cpp		Count-Operations-to-Obtain-Zero.cpp
Count-of-Matches-in-Tournament.cpp		Count-of-Matches-in-Tournament.cpp
Distinct-Subsequences.py		Distinct-Subsequences.py
Divisible-and-Non-divisible-Sums-Difference.cpp		Divisible-and-Non-divisible-Sums-Difference.cpp
Find-Pivot-Index.py		Find-Pivot-Index.py
Find-the-Duplicate-Number.cpp		Find-the-Duplicate-Number.cpp
Find-the-Highest-Altitude.cpp		Find-the-Highest-Altitude.cpp
Find-the-Index-of-the-First-Occurrence-in-a-String.cpp		Find-the-Index-of-the-First-Occurrence-in-a-String.cpp
Find-the-Maximum-Achievable-Number.cpp		Find-the-Maximum-Achievable-Number.cpp
First-Unique-Even-Element.cpp		First-Unique-Even-Element.cpp
Fizz-Buzz.cpp		Fizz-Buzz.cpp
Greatest-Common-Divisor-Of-Strings.py		Greatest-Common-Divisor-Of-Strings.py
Happy-Number.cpp		Happy-Number.cpp
Harshad-Number.cpp		Harshad-Number.cpp
How-Many-Numbers-Are-Smaller-Than-the-Current-Number.cpp		How-Many-Numbers-Are-Smaller-Than-the-Current-Number.cpp
Implement-Stack-Using-Queues.py		Implement-Stack-Using-Queues.py
Intersection-Of-Two-Arrays-Ii.py		Intersection-Of-Two-Arrays-Ii.py
Jewels-and-Stones.cpp		Jewels-and-Stones.cpp
Jump-Game.cpp		Jump-Game.cpp
Kids-With-the-Greatest-Number-of-Candies.cpp		Kids-With-the-Greatest-Number-of-Candies.cpp
Kth-Smallest-Amount-With-Single-Denomination-Combination.py		Kth-Smallest-Amount-With-Single-Denomination-Combination.py
Last-Stone-Weight.py		Last-Stone-Weight.py
Latest-Time-By-Replacing-Hidden-Digits.py		Latest-Time-By-Replacing-Hidden-Digits.py
Left-and-Right-Sum-Differences.cpp		Left-and-Right-Sum-Differences.cpp
Lemonade-Change.py		Lemonade-Change.py
Length-Of-Longest-Subarray-With-At-Most-K-Frequency.py		Length-Of-Longest-Subarray-With-At-Most-K-Frequency.py
Length-of-Last-Word.cpp		Length-of-Last-Word.cpp
Longest-Common-Prefix.cpp		Longest-Common-Prefix.cpp
Longest-Nice-Substring.py		Longest-Nice-Substring.py
Longest-Subsequence-With-Non-Zero-Bitwise-Xor.py		Longest-Subsequence-With-Non-Zero-Bitwise-Xor.py
Longest-Substring-Of-One-Repeating-Character.py		Longest-Substring-Of-One-Repeating-Character.py
Longest-Uncommon-Subsequence-I.py		Longest-Uncommon-Subsequence-I.py
Max-Area-of-Island.cpp		Max-Area-of-Island.cpp
Max-Consecutive-Ones.cpp		Max-Consecutive-Ones.cpp
Maximum-69-Number.cpp		Maximum-69-Number.cpp
Maximum-Length-Substring-With-Two-Occurrences.py		Maximum-Length-Substring-With-Two-Occurrences.py
Maximum-Number-Of-Words-You-Can-Type.py		Maximum-Number-Of-Words-You-Can-Type.py
Maximum-Number-of-Balloons.cpp		Maximum-Number-of-Balloons.cpp
Maximum-Number-of-Words-Found-in-Sentences.cpp		Maximum-Number-of-Words-Found-in-Sentences.cpp
Maximum-Product-Of-Three-Numbers.py		Maximum-Product-Of-Three-Numbers.py

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