CodeSphere-Innovacion 2026

Event Overview:

• CodeSphere 2026 is an individual Data Structures & Algorithms (DSA) coding battle hosted on the Unstop platform.
• Participants compete in two elimination rounds, testing problem-solving speed, accuracy, and algorithmic efficiency.

Event Details:

• Event Name: CodeSphere 2026
• Format: Individual Participation (No Teams)
• Platform: Unstop
• Number of Rounds: 2
• Duration per Round: 1 Hour 30 Minutes (90 Minutes)
• Domain: Data Structures & Algorithms (DSA)

Round Structure & Qualification Rules:

Round 1 — Qualifier Round:

• Duration: 90 Minutes
• Total Questions: 4
• Q1 — Easy
• Q2 — Medium
• Q3 — Hard
• Q4 — Hardest
• A question is considered completed only when all test cases pass successfully.

Qualification Paths:

• Standard Path: Complete any 3 out of 4 questions.
• Alternative Path: Complete Q4 (Hardest) and any 1 other question.

Round 2 — Final Round:

• Duration: 90 Minutes
• Total Questions: 3
• Q1 — Medium
• Q2 — Hard
• Q3 — Hardest

Qualification Paths:

• Standard Path: Complete any 2 out of 3 questions.
• Alternative Path: Complete Q3 (Hardest) alone.

Scoring System:

Round 1 Scoring:

Easy (Q1)

• Base Score: 50 points
• Speed Bonus: +10 points (if solved within first 30 minutes)
• Maximum Score: 60 points

Medium (Q2)

• Base Score: 100 points
• Speed Bonus: +20 points
• Maximum Score: 120 points

Hard (Q3)

• Base Score: 150 points
• Speed Bonus: +30 points
• Maximum Score: 180 points

Hardest (Q4)

• Base Score: 200 points
• Speed Bonus: +40 points
• Maximum Score: 240 points

Partial Score Formula: (Test Cases Passed ÷ Total Test Cases) × Base Score

Round 2 Scoring:

Medium (Q1)

• Base Score: 100 points
• Speed Bonus: +20 points
• Maximum Score: 120 points

Hard (Q2)

• Base Score: 175 points
• Speed Bonus: +35 points
• Maximum Score: 210 points

Hardest (Q3)

• Base Score: 250 points
• Speed Bonus: +50 points
• Maximum Score: 300 points
• Partial Score Formula: (Test Cases Passed ÷ Total Test Cases) × Base Score

Scoring Notes:

• Speed bonus is awarded only if the question is fully solved within the first 30 minutes.
• Partial scores count toward the total score but do not count for qualification.
• The total score across both rounds is used for final rankings.

Tie-Breaker Rules:

If participants have equal scores after Round 2, the following criteria apply:

• Code Efficiency (better time complexity wins)
• Space Complexity (lower memory usage wins)
• Submission Time (earlier submission wins)

Academic Integrity & Code of Conduct:

AI Tools Policy:

• Use of AI-powered tools such as ChatGPT, Claude, Gemini, Copilot, or similar assistants is strictly prohibited.
• Use of AI-based code completion or automated code generation tools is not allowed.
• Penalty: Immediate and permanent disqualification.

Plagiarism Policy:

• All code submissions are checked using Unstop plagiarism detection tools and manual review.
• Copying code from other participants or external sources is prohibited.
• AI Usage: Immediate disqualification.
• Plagiarism (First Offence): Formal warning and solution invalidated.
• Plagiarism (Second Offence): Disqualification from the event.

General Conduct:

• Participants must not communicate with other participants during the contest.
• Sharing hints, solutions, or approaches during the round is prohibited.
• Attempting to manipulate the leaderboard or exploit platform vulnerabilities will result in disqualification.
• The organizing committee may investigate suspicious submissions.

Platform & Technical Rules:

• The contest is hosted on Unstop.
• Participants must register on Unstop before the event.
• Participants must ensure a stable internet connection during the contest.
• Supported programming languages will be listed on the Unstop event page.
• Platform timer on Unstop is the official contest timer.
• Personal technical issues will not result in time extensions.

Sample Problem Statement Format:

• Problem Title – Name of the problem
• Problem Statement – Description of the task
• Input Format – Description of the input structure
• Output Format – Description of the required output
• Constraints – Input size and value limits
• Sample Input – Example input
• Sample Output – Expected output for the example
• Difficulty Tag – Easy / Medium / Hard / Hardest

General Rules:

• Participation is strictly individual.
• Participants must be registered on the Unstop platform before the contest begins.
• Late entries will not be accepted once the round has started.
• Decisions of the organizing committee are final and binding.
• Organizers reserve the right to modify rules in exceptional circumstances and will communicate updates on the Unstop event page.