Demo Contest
A start-anytime contest with two problems from the Practice tab. Use it to get familiar with the contest interface. Your 60-minute timer starts when you click Start.
Contests
ShardUp coding contests
Self-timed contests: start whenever you are ready, solve the problems within your personal timer, and climb the contest rating ladder.
Open now
Upcoming
Past
HireUp Online Assessment
Online assessment for the HireUp mock hiring. Solve the problems within your 90-minute timer.
ShardUp Contest #3
A one-hour, three-problem sprint that starts Saturday at 8:00 PM IST. The three problems escalate in difficulty (A < B < C) and are revealed only when the contest opens. Register anytime before it starts — your personal 60-minute timer begins the moment it goes live.
ShardUp Contest #2
A one-hour, three-problem sprint that starts Sunday at 8:00 PM IST. The problems escalate in difficulty (A < B < C), each a custom, tougher twist on a classic interview question. Register, then race your personal 60-minute timer.