CodeClash 2025: India's National DSA Coding Competition - Win ₹5,000!

🚀 Event Overview

Organized by: Lets Code Community
Contact: letscode@lets-code.co.in | +91 6392177974

Get ready for India's most exciting competitive programming battle! CodeClash is designed to test your data structures and algorithms mastery through two challenging rounds that will push your problem-solving skills to the limit.

🎯 Why Should You Participate?

✅ Compete Nationwide: Battle against coders across India in a fair and challenging format
✅ Skill Enhancement: Boost your problem-solving abilities with expertly curated DSA challenges
✅ Lucrative Rewards: Win exciting cash prizes up to ₹2,000 plus premium goodies
✅ Career Boost: Get recognized, certified, and enhance your resume with valuable credentials
✅ Premium Resources: Access exclusive tech placement preparation materials
✅ Recognition: Certificates and physical rewards for top performers

📅 Important Dates & Deadlines

Note: The time windows indicate when you can start the round. Once started, you have the actual round duration to complete it.

🏆 Prize Pool & Rewards

💰 Cash Prizes

🎁 Premium Goodies for Top Performers

• Exclusive T-shirts from Lets Code Community
• Custom Diaries for coding notes and practice
• Designer Stickers for your laptop/workspace
• Premium Bookmarks for your study materials

Registration Link: https://bit.ly/codeclashjune2025

🎮 Round 1: DSA MasterMind – MCQ Elimination Round

📊 Round Overview

Date: 28 June 2025
Timing Window: 09:00 AM - 11:10 PM IST (Start anytime within this window)
Duration: 40 minutes (Once you begin)
Format: Multiple Choice Questions (MCQs)

📝 Question Structure

• Total Questions: 25 MCQs
• Difficulty Distribution: Easy, Medium, and Hard levels
• Progressive Difficulty: Questions arranged to test comprehensive DSA knowledge

💯 Marking Scheme

Maximum Possible Score: Varies based on difficulty distribution

🎯 Question Categories

1. Code Comprehension
   • Predict output of given code snippets
2. Complexity Analysis
   • Determine time and space complexity
3. Logical Debugging
   • Identify and fix bugs in algorithms
4. Pattern Recognition
   • Solve recursion and mathematical patterns
5. Real-world Applications
   • Practical DSA problem scenarios
6. Assertion Reasoning
   • Logic-based reasoning questions

⚠️ Important Rules

• No Backtracking: Once answered or skipped, you cannot revisit questions
• Sequential Order: Questions appear one at a time in fixed sequence
• Time Management: 40 minutes total - plan your pace wisely
• Single Attempt: Each question gets only one chance

🎯 Success Strategy for Round 1

• Time Allocation: ~1.5 minutes per question on average
• Quick Decision Making: Don't spend too long on any single question
• Confidence-Based Approach: Answer questions you're sure about first
• Penalty Awareness: Consider negative marking before guessing

💻 Round 2: CodeSprint – Final Coding Round

🎪 Round Overview

Date: 29 June 2025
Timing Window: 09:00 AM - 11:10 PM IST (Start anytime within this window)
Duration: 3 hours (Once you begin)
Format: Hands-on Coding Problems

🧩 Problem Structure

Total Problems: 5 Coding Challenges | Maximum Score: 55 marks

🔧 Technical Specifications

• Languages Supported: C++, Java, Python etc
• Standard Libraries: Allowed and encouraged
• External Libraries: Not permitted
• Time Limit: 1-2 seconds per test case
• Memory Limit: 256 MB
• Test Cases: 10-15 hidden test cases per problem

🧠 Algorithm Focus Areas

The coding round specifically tests expertise in:

1. String Processing & Manipulation

   • Pattern matching algorithms
   • Text parsing and formatting
   • Character-based operations

2. Mathematical & Number Theory

   • Digit analysis and manipulation
   • Pattern recognition in sequences
   • Mathematical optimization problems

3. Stack-Based Algorithms

   • Expression parsing and evaluation
   • Bracket matching and validation
   • Operator precedence handling

4. Dynamic Programming

   • Optimization problems
   • Subproblem decomposition
   • Memory-efficient solutions

5. Advanced Array Manipulation

   • In-place algorithm design
   • Space-constraint optimization
   • Cyclic and circular array operations

📋 Input/Output Format

• Input Method: Standard input (stdin) using cin/Scanner/input()
• Output Method: Standard output (stdout) using cout/System.out/print()
• Format Precision: Must match problem specifications exactly
• Sample Cases: Provided for testing and verification

📈 Scoring System

• Full Points: All test cases pass successfully
• Partial Points: Subset of test cases pass (where applicable)
• Zero Points: Compilation errors or incorrect output format

🚀 Round 2 Success Strategy

1. Strategic Reading (15 minutes): Review all problems, identify approaches
2. Quick Wins (45 minutes): Complete Easy + one Medium problem
3. Deep Focus (120 minutes): Tackle remaining challenges systematically
4. Code Quality: Prioritize clean, readable, and efficient implementation

📏 General Contest Rules & Guidelines

✅ Permitted During Contest

• Standard library documentation (offline access)
• Basic competitive programming I/O templates
• Pen and paper for algorithm planning and calculations
• Calculator for mathematical computations

❌ Strictly Prohibited

• Internet browsing or external research during active contest time
• Communication with other participants through any medium
• Using pre-written complex code templates or solutions
• AI assistance, code generation tools, or automated help
• Sharing or discussing problems during contest duration

🛠️ Technical Support

• Moderator Support: Available for urgent technical issues only
• Fair Play: All submissions monitored for plagiarism and unfair practices

📱 Platform Requirements

• Stable Internet: Required for submission and real-time updates
• Modern Browser: Chrome, Firefox, or Safari recommended
• Screen Resolution: Minimum 1024x768 for optimal experience
• Backup Plan: Ensure stable power and internet connectivity

🎓 Registration & Participation

📝 How to Register

1. Visit the official contest portal
2. Complete registration with accurate details
3. Verify your email address and contact information
4. Deadline: 27 June 2025, 11:59 PM IST

🎯 Who Should Participate?

• Students: Computer Science, Engineering, and related fields
• Professionals: Software developers, programmers, tech enthusiasts
• Competitive Programmers: Anyone passionate about algorithmic challenges
• Skill Level: All levels welcome - problems designed for comprehensive skill assessment

🏅 Certification & Recognition

• Digital Certificates: All participants receive participation certificates
• Winner Certificates: Special recognition certificates for top performers
• Resume Enhancement: Add verified competitive programming achievement
• Community Recognition: Feature in Lets Code Community success stories

📞 Contact & Support

Lets Code Community
📧 Email: letscode@lets-code.co.in
📱 Phone: +91 6392177974

🕐 Support Hours

• Pre-Contest: 24/7 support for registration and queries
• During Contest: Technical support only for platform issues
• Post-Contest: Results and certificate queries within 48 hours

🌐 Stay Connected

Follow Lets Code Community for updates, tips, and future events:

• Regular competitive programming contests
• Premium placement preparation resources
• Industry expert sessions and workshops
• Exclusive coding community benefits

Ready to prove your coding prowess? Register now and join the battle for algorithmic supremacy in CodeClash 2025!

May the best algorithm win! 🚀