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Started at - 11 Dec 2020 8:00 PM IST
Ended at - 13 Dec 2020 8:00 PM IST
Duration - 2 days
CodeDrift: Strings

Started at - 11 Dec 2020 8:00 PM IST
Ended at - 13 Dec 2020 8:00 PM IST
Duration - 2 days
About Contest

CodeDrift, powered by Scaler Edge and InterviewBit, is a coding marathon to challenge programmers with several programming questions of varying difficulty levels over 2 days. Bring to light your logical minds by solving algorithmic programming problems!

CodeDrift challenges you with 4 problems on Strings which will be live until Sunday, 13th December, at 8:00 pm. Each problem will go live on:

Dec 11, 2020 (Friday) 8:00 pm

Problem 1 & Problem 2

Dec 12, 2020 (Saturday) 8:00 pm

Problem 3 & Problem 4 

You can practice Strings questions here.

Update (21st Dec 2020): The contest is now available in practice mode and the editorial can be found below,

Day 1 Video Solution:

Day 2 Video Solution:

Please note:

  • If you start the test on 11th December, Friday, at 8:00 pm, you will get the full 48 hours
  • If you start at any time after 11th December at 8:00 pm, you will only get time until 13th December at 8:00 pm.
  • If you end the test at any point in time you cannot re-enter the contest, so make sure to not end the test without viewing/solving all 4 questions.

Built by the makers of InterviewBit, Scaler Edge is a companion program for college students serious about getting into the top product companies in the world.    

  • Curriculum designed to teach you everything needed by companies like Amazon and CodeNation Innovation Labs
  • Two career tracks to select: Software Development and Artificial Intelligence & Machine Learning
  • 1:1 mentorship from top industry professionals
  • A guided career capstone project that stays on the resume forever

Want to know more?

Explore Edge at | Download our brochure | Speak to an Edge career counselor: 

Terms & Conditions:

CodeDrift is open to all for participation!

This is an individual participation competition

Please refrain from discussing strategy during the competition

All submissions are checked by a plagiarism detector. Any case of code plagiarism will disqualify both users from the competition

InterviewBit decisions are final

Prizes will be awarded to those participants who have given consent to share their information with us.

Current InterviewBit employees are not eligible for prizes

Past CodeDrift winners (only 1st Rankers) are not eligible for the prizes

Please expect 6-8 weeks post competition to receive your prizes

Each challenge has a predetermined score

Each submission for each problem will be scored based on the number of test cases it passes

A participant's total score is the sum of the scores earned for each problem attempted. If you submitted more than one solution for a problem, only the highest score achieved will be used in this calculation

Participants are ranked by score, with the cumulative time taken (between the competition start time and the time of your correct submission) used to break ties.


Alexa Echo Dot!

Scaler T-Shirts up to the top 5 participants.


InterviewBit is an interview preparation site that is immensely popular amongst software engineers (, ). We have hundreds of thousands of elite software engineers across the globe ( Asia, US and Europe ). InterviewBit is a company founded by ex-Facebook and executives. We have a​ ​strong​ ​and small​ ​team​ of people from companies like Facebook, Twitter,, and hails from Tier-1 universities like IIIT-Hyderabad, BITS Pilani, IIT.

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