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#182 - Sparse Matrix Operation#382

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Pradeepsingh61 merged 1 commit into
Pradeepsingh61:mainfrom
PragatiGHub:sparse
Oct 3, 2025
Merged

#182 - Sparse Matrix Operation#382
Pradeepsingh61 merged 1 commit into
Pradeepsingh61:mainfrom
PragatiGHub:sparse

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@PragatiGHub PragatiGHub commented Oct 3, 2025

📋 Pull Request Description

#182

What does this PR add?

  • New algorithm implementation
  • Data structure implementation
  • New programming language support
  • Language-specific README
  • Bug fix
  • Documentation improvement
  • Test cases

Algorithm/Feature Details

  • Name: Sparse Matrix Basic Operations
  • Language: C++
  • Category: Mathematical Algorithms
  • Operations Implemented: Addition, Subtraction, Multiplication
  • Representation Used: Triplet format (row, column, value)
  • Time Complexity:
    • Addition/Subtraction: O(non-zero elements)
    • Multiplication: O(rows × columns × common dimension)
  • Space Complexity: O(non-zero elements)

Testing

  • Code compiles without errors
  • Tested matrix addition, subtraction, and multiplication
  • Edge cases handled (empty matrices, non-square matrices, zero results)
  • Output verified against full dense matrix representation

Additional Notes

  • Efficiently handles sparse matrices by storing only non-zero elements.
  • Converts sparse → dense only for display; arithmetic operations are performed on sparse representation.
  • Supports matrices of arbitrary dimensions.

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github-actions Bot commented Oct 3, 2025

💎 Code Quality Check Results

❌ Missing Complexity Analysis

These files don't include time/space complexity:

  • CPP/algorithms/mathematical/sparse_matrix.cpp

Required: Add comments explaining time and space complexity (e.g., Time: O(n log n), Space: O(n))

❌ Missing Algorithm Description

These files don't explain what the algorithm does:

  • CPP/algorithms/mathematical/sparse_matrix.cpp

Required: Add a description explaining the algorithm, its purpose, and how it works

📚 Quality Standards

To maintain high quality, every contribution should include:

  1. ✍️ Algorithm Description

    • Explain what the algorithm does
    • Describe the approach and methodology
    • Include use cases or applications
  2. 📊 Complexity Analysis

    • Time complexity (e.g., O(n log n))
    • Space complexity (e.g., O(n))
    • Brief explanation of why
  3. 💬 Meaningful Comments

    • Explain complex logic
    • Document function parameters
    • Add inline comments for clarity
  4. ✅ Test Cases/Examples

    • Demonstrate the code works
    • Show different input scenarios
    • Include edge cases

💡 Example Template

"""
Binary Search Algorithm

Description: Searches for a target value in a sorted array using divide-and-conquer

Time Complexity: O(log n) - halves search space each iteration
Space Complexity: O(1) - only uses constant extra space
"""

def binary_search(arr, target):
    # Initialize pointers
    left, right = 0, len(arr) - 1

    while left <= right:
        mid = (left + right) // 2

        # Check if target found
        if arr[mid] == target:
            return mid
        # Search right half
        elif arr[mid] < target:
            left = mid + 1
        # Search left half
        else:
            right = mid - 1

    return -1  # Not found

# Test cases
if __name__ == "__main__":
    test_arr = [1, 3, 5, 7, 9]
    print(binary_search(test_arr, 5))  # Output: 2
    print(binary_search(test_arr, 6))  # Output: -1

🔧 How to Fix

  1. Review each file mentioned above
  2. Add the missing documentation
  3. Push your changes
  4. The workflow will re-run automatically

💪 You've Got This!

These checks help maintain quality and make your contribution more valuable to learners. Thank you for taking the time to improve! 🙏


Quality over quantity - let's build something amazing together! 🌟

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github-actions Bot commented Oct 3, 2025

🔍 Duplicate Detection Results

⚠️ Potential Duplicates Found

⚠️ Potential Duplicate: CPP/algorithms/mathematical/sparse_matrix.cpp
Similar file(s) already exist:

  • CPP/algorithms/mathematical/sparse_matrix.cpp

📝 What This Means

We found existing implementations that appear similar to your contribution. This doesn't necessarily mean your PR will be rejected, but please review:

  1. Is this truly a duplicate? Check the existing files to see if they implement the same algorithm
  2. Is your implementation different/better? If so, explain in your PR description:
    • What makes it different
    • Why it's an improvement
    • Any unique features or optimizations
  3. Consider improving existing code instead of adding a duplicate

✅ What To Do Next

  • If it's a duplicate: Consider withdrawing this PR and improving the existing implementation
  • If it's different: Add a clear explanation in your PR description about how it differs
  • If unsure: Ask the maintainers for guidance!

💡 Quality Over Quantity

Remember: One high-quality, unique contribution is worth more than multiple duplicates! 🌟


This is an automated check. Maintainers will make the final decision.

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github-actions Bot commented Oct 3, 2025

🎉 Welcome to Hacktoberfest 2025, @PragatiGHub! 🎃

Thank you for your first contribution to our DSA repository! Here's what happens next:

🔍 Automatic Checks

  • Code Validation: Passed
  • 🧪 Compilation Tests: Passed

📋 Next Steps

🎯 Great job! Your code compiled successfully. Maintainers @Karanjot786 and @Pradeepsingh61 will review your PR soon.

🎁 What You Get

  • 🏆 Hacktoberfest Credit: This PR counts toward your 6 PR goal for exclusive T-shirt + Tree!
  • 🌟 Hall of Fame: You'll be featured in our contributors list
  • 📚 Learning: Code review feedback from experienced developers

💡 Tips for Success

  • Follow our Contributing Guidelines
  • Add comments explaining your algorithm
  • Include time/space complexity analysis
  • Test your code before submitting

Welcome to the community! 🚀

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github-actions Bot commented Oct 3, 2025

🤖 Automated PR Status

🔍 Code Validation

Passed - File naming and structure look good!

🧪 Compilation Tests

Passed - All code compiles successfully!

📋 Overall Status

🎉 Ready for Review - Your PR has passed all automated checks!
👥 Maintainers have been notified for review.


This comment was generated automatically. Checks will re-run when you push new commits.

@github-actions github-actions Bot requested a review from Karanjot786 October 3, 2025 17:01
@Pradeepsingh61 Pradeepsingh61 merged commit 3ca0860 into Pradeepsingh61:main Oct 3, 2025
18 checks passed
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2 participants