Run time error
is not an option.
Welcome to the ultimate competitive programming showdown. Optimize your logic, debug your approach, and race against the clock.
Domains
Algorithms
Tackle problems across dynamic programming, graphs, greedy strategies, and mathematical reasoning—all designed to test how efficiently you can think under pressure.
Data Structures
Use trees, heaps, hash maps, stacks, and queues to manage data the right way. The right structure can be the difference between AC and WA.
About Code Duels
Code Duels is the flagship competitive programming contest of HackData. Designed to push your logical reasoning and implementation skills, it's a test of how well you can think, code, and optimize- fast.
This isn't about building apps or frontend polish. Over an intense 4-hour offline contest, teams battle through multiple algorithmic problems of varying difficulty. Precision matters. Speed matters. Consistency wins.
The Timeline
Registration
Register your team of upto 3 members via Unstop. Once you're in, pre-contest details and instructions will be shared.
The Offline Showdown
A 4-hour on-campus contest where teams solve 8–10 algorithmic problems. Expect rising difficulty and a constantly moving leaderboard.
Results & Prize Distribution
The scoreboard freezes in the final hour. Winners are announced after evaluation, followed by prize distribution.
FAQs
Have more questions?