Added Prim's Algorithm for Minimum Spanning Tree in C++ in CPP/graph

[ramanuj-droid]

Description

This PR adds an implementation of Prim's Algorithm for finding the Minimum Spanning Tree (MST) in a connected, undirected, and weighted graph using C++.

Features

• Uses a priority queue (min-heap) for efficient edge selection
• Calculates the total weight of the MST
• Handles graphs with multiple vertices and edges
• Fully commented and ready for educational purposes

Folder structure

The file is added under:

[github-actions]

🎉 Welcome to Hacktoberfest 2025, @ramanuj-droid! 🎃

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 @admirerr and @kartikey2991 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! 🚀

[github-actions]

🤖 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.

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

[github-actions]

🎉 Welcome to Hacktoberfest 2025, @ramanuj-droid! 🎃

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

🔍 Automatic Checks

• ✅ Code Validation: Failed
• 🧪 Compilation Tests: Failed

📋 Next Steps

⚠️ Action needed: Please fix the compilation errors and push your changes.

🎁 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! 🚀

[github-actions]

🤖 Automated PR Status

🔍 Code Validation

❌ Failed - Please check file naming conventions and directory structure.

🧪 Compilation Tests

❌ Failed - Please fix compilation errors and try again.

📋 Overall Status

⚠️ Needs Work - Please address the issues above.
💡 Push new commits to automatically re-run these checks.

---

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