OPENS AT: Jan 27, 2022, 12:30 PM

CLOSES AT: Jan 31, 2022, 06:30 PM

DURATION: 4 days 6h

January Circuits '22

Challenge Over
Interview prep
Prepare for your technical interviews by solving questions asked previously by top tech companies.

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Circuits is a coding marathon to challenge developers with several programming questions of varying difficulty levels over 7 days. The questions are created by multiple problem setters from our developer community. Bring to light your logical minds by solving algorithmic programming problems.

Circuits take place during the third and fourth week of every month.

January Circuits ’22 challenges you with 8 problems and the timeline is as follows:

Day 0 Problem 1, Problem 2, Problem 3 
Day 1 Problem 4, Problem 5
Day 4 Problem 6, Problem 7
Day 6

Problem 8 

Day 7 Challenge ends

New problem statements will be published every 48 hours, and yes, ace coders will win amazing vouchers.

This is a rated contest with prizes for the top three coders.


The journey of HackerEarth had its humble beginning in the dorms of IIT Roorkee at the start of 2012. Born out of curiosity and passion of two budding software engineers, H...



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  2. You must click Submit after you answer each question.

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