🚀 My DSA Learning Journey

Personal collection of Data Structures and Algorithms problems I've solved 💻

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📚 My Progress Tracker

🔍 Searching Algorithms

Problem	Status	Notes
Binary Search	✅ Completed	📄 My Solution
Linear Search	✅ Completed	📄 My Solution

🔢 Number Systems

Problem	Status	Notes
Binary to Decimal	✅ Completed	📄 My Solution
Index	✅ Completed	📄 My Solution

📊 Array Problems

Problem	Status	Notes
Second Largest Array	✅ Completed	📄 My Solution
Subarray	✅ Completed	📄 My Solution
Prefix	✅ Completed	📄 My Solution
Kadane's Algorithm	✅ Completed	📄 My Solution
Find Repeat and Missing Value	🔄 In Progress	📄 My Solution
Trapping Rain Water	✅ Completed	📄 My Solution
Buy and Sell Stock	✅ Completed	📄 My Solution

🔄 Sorting Algorithms

Problem	Status	Notes
Bubble Sort	✅ Completed	📄 My Solution
Bubble Sort (Kth Smallest)	✅ Completed	📄 My Solution
Insertion Sort	✅ Completed	📄 My Solution
Merge Sort	✅ Completed	📄 My Solution
Selection Sort	✅ Completed	📄 My Solution

🎯 Matrix Problems

Problem	Status	Notes
Diagonal Sum	✅ Completed	📄 My Solution
Spiral Matrix 2D	🔄 In Progress	📄 My Solution
Staircase Matrix Search	✅ Completed	📄 My Solution

✨ Pattern Problems

Problem	Status	Notes
Pattern	✅ Completed	📄 My Solution
Pattern 2	✅ Completed	📄 My Solution
Pattern 3	✅ Completed	📄 My Solution
Diamond Pattern	✅ Completed	📄 My Solution
String Compression	✅ Completed	📄 My Solution
Rombus Pattern	✅ Completed	📄 My Solution
Move All Negative Elements to End	✅ Completed	📄 My Solution
Rombus 1	✅ Completed	📄 My Solution

| Getter and Setter | ✅ Completed | 📄 My Solution | | OOPs Concepts | ✅ Completed | 📄 My Solution |

🔄 Loop Problems

Problem	Status	Notes
For Loop	✅ Completed	📄 My Solution
Loop	✅ Completed	📄 My Solution
Loops	✅ Completed	📄 My Solution
First Natural Numbers	✅ Completed	📄 My Solution
N Div 2	✅ Completed	📄 My Solution

⚡ Control Flow

Problem	Status	Notes
🔤 String Problems	5/5	5
🔄 Sorting	5/5	5
💡 Basic Programming	7/7	7
Overall Progress: 38/39 (97%) 🎉
Problem	Status	Notes
---------	--------	-------
Data Type	✅ Completed	📄 My Solution
Function	✅ Completed	📄 My Solution
Reverse	✅ Completed	📄 My Solution
Brute Force	✅ Completed	📄 My Solution
Prime 1	✅ Completed	📄 My Solution

🔤 String Problems

Problem	Status	Notes
Palindrome	✅ Completed	📄 My Solution
Convert Letter To Upper Case	✅ Completed	📄 My Solution
Largest String Alphabetically	✅ Completed	📄 My Solution
Shortest Path	✅ Completed	📄 My Solution

🔄 Recursion Problems

Problem	Status	Notes
Reverse Array	✅ Completed	📄 My Solution
Recursion Backtracking	✅ Completed	📄 My Solution
Recursion Backtracking N to 1	✅ Completed	📄 My Solution
Recursion Reverse Number	✅ Completed	📄 My Solution
Recursion Name	✅ Completed	📄 My Solution
Recursion Test	✅ Completed	📄 My Solution
Sum of Numbers (Recursion)	✅ Completed	📄 My Solution
Recursion Fibonacci	✅ Completed	📄 My Solution
Recursion Palindrome	✅ Completed	📄 My Solution

🔑 Hashing Problems

Problem	Status	Notes
Number Hashing	✅ Completed	📄 My Solution
Character Hashing	✅ Completed	📄 My Solution
All Character Hashing	✅ Completed	📄 My Solution

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📊 My Learning Statistics

Category	Completed	Total	Progress
🔍 Searching	2/2	2	100% ✅
🔢 Number Systems	2/2	2	100% ✅
📊 Arrays	6/7	7	86% 🔄
🔄 Sorting	5/5	5	100% ✅
🎯 Matrices	2/3	3	67% 🔄
✨ Patterns	6/6	6	100% ✅
🔄 Loops	5/5	5	100% ✅
⚡ Control Flow	2/2	2	100% ✅
💡 Basic Programming	5/5	5	100% ✅
🔤 String Problems	4/4	4	100% ✅
🔄 Recursion	9/9	9	100% ✅
🔑 Hashing	3/3	3	100% ✅

Overall Progress: 48/49 (98%) 🎉

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🚀 How I Run My Code

My Setup

• IDE: [Your preferred IDE]
• Java Version: [Your Java version]
• OS: Windows 11

My Workflow

1. Open the file in my IDE
2. Navigate to dsa folder: cd dsa
3. Compile: javac filename.java
4. Run: java filename
5. Test with different inputs
6. Document any new learnings

Example

cd dsa
javac spiralmatrix2d.java
java spiralmatrix2d

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📁 My File Organization

My DSA Repository/
├── 📁 dsa/                    # All Java solutions
│   ├── 📄 .java files        # My source code
│   ├── 📦 .class files       # Compiled bytecode
│   └── 📁 rombus.java/       # Special folder
├── 📋 README.md              # This progress tracker
└── 📁 .git/                  # Version control

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🎯 What I've Learned

✅ Completed Topics

• Searching Algorithms: Binary & Linear Search
• Array Manipulation: Subarrays, Prefix Sums, Kadane's Algorithm
• Sorting Algorithms: Bubble Sort with Kth Smallest Element
• Pattern Printing: Various geometric patterns
• Loop Control: Different loop types and iterations
• Control Structures: If-else, switch cases
• Number Systems: Binary to decimal conversion
• Basic Algorithms: Prime numbers, reverse operations
• String Manipulation: Palindrome checking, First letter capitalization, Lexicographic comparison, Path coordinate processing
• Recursion: Backtracking, Reverse Array, Fibonacci, Palindrome
• Hashing: Number hashing, Character hashing

🔄 Currently Learning

• Matrix Traversal: Spiral order printing

📝 Next Goals

• Complete Spiral Matrix
• Add more advanced algorithms
• Practice with different data structures
• Work on time complexity optimization

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💭 My Notes & Reflections

What I'm Good At

• ✅ Pattern problems
• ✅ Basic loop operations
• ✅ Array manipulations
• ✅ Control flow logic

Areas to Improve

• 🔄 Matrix operations
• 📚 Advanced algorithms
• ⚡ Time complexity optimization
• 🧠 Problem-solving speed

My Learning Strategy

1. Understand the problem thoroughly
2. Plan the approach before coding
3. Test with edge cases
4. Review and optimize the solution
5. Document my learnings

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🎯 My Goals

Short Term (This Month)

• Complete all matrix problems
• Add 5 new algorithms
• Improve code documentation

Long Term (Next 3 Months)

• Master advanced DSA concepts
• Practice competitive programming
• Build personal projects using DSA

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My DSA Learning Journey 📚

"Every problem solved is a step towards mastery" 💪

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⭐ Keep pushing forward! ⭐