SETTER: Shubham , Mohammad , Pavel , Rishi , Anand , Andrii , daniel99 , Aminul , Rayhan , Trung , Rohit , Hrudai , 96fa5a8a14834813bc7983072dce7a65 , Bogdan , Harshil , arun , Kasra , bhagya , Pasapol , Saatwik , Imran TESTER: Niyaz , Ivan , Lewin , Karan , Amirreza , Илья , Trung , Bohdan , Zi , danial , Jingbo , Saatvik , Deepankar , FatalEagle

Circuits Rewind RATED CONTEST

Challenge Over

OPENS AT: Dec 21, 2019, 09:30 AM

CLOSES ON: Dec 28, 2019, 10:00 AM

DURATION: 7 days 30m


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Circuits Rewind: 

Join Circuits, a coding marathon to challenge developers with several programming questions of varying difficulty levels over 7 days. This time, all questions have been picked from previously published Circuit challenges. Let’s compete! 

Note: Ratings of this challenge will not affect the overall ratings of the user

There are 25 different questions where 6 new problem statements will be published every alternate day. The timeline is as follows:

Day - 0 Problem 1,2,3,4,5,6
Day - 1 Problem 7,8,9,10,11,12
Day - 4 Problem 13,14,15,16,17,18
Day - 6 Problem 19,20,21,22,23,24,25
Day - 7 Challenge ends

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

The top 5 candidates will be given amazing HackerEarth t-shirts. :)

Terms and conditions

  • In order to be able to claim your prizes, your HackerEarth profile must be more than 60% complete. Giving your location details is mandatory to be eligible for prizes.
  • The prizes will be disbursed in the second week of January 2020
  • Once the challenge is over, ratings will be updated in each programmer's user profile after 5 days.
  • If Hackerearth subjects you to plagiarism, you will not be eligible to claim your prizes.

Note: Ratings of this challenge will not affect the overall ratings of the user


There are great prizes to be won

First Prize

USD 100 - Amazon gift card 

Second Prize

USD 75 - Amazon Gift Card 

Third Prize

USD 50 - Amazon Gift Card 


HackerEarth T-shirts for top 5 participants


You are expected to solve 25 algorithmic programming problems over a period of 7 days. 

  1. Before you attempt programming questions, you should choose a language from the g...


Does the Circuit challenge take place for 7 continuous days?

The Circuits Challenge is open for 7 days and you can take the challenge any time you want to before the chall...

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