SETTER: fgelgi

CodeStar Contest #1

Challenge Over

OPENS AT: Oct 27, 2019, 12:00 AM

CLOSES ON: Oct 27, 2019, 03:00 AM



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About the challenge:

This programming challenge is intended for high school and college students. This 3-hour individual contest consists of 8 problems, which are roughly arranged from very easy to the hard difficulty level. Easy problems can be done even with basic programming skills. Each problem is given the same weight, thus it is in your best interest to solve the easiest problems first.

AlphaStar Academy

About AlphaStar Academy:

AlphaStar Academy offers extensive training programs for gifted students towards national and international Math and Science competitions such as MathCounts, American Mathematics Competitions, USA Math Olympiads, USA Computing Olympiads, F=ma, and USA Physics Olympiads.

For more information:

Problem Setter Committee: 

  • Bennett Liu

    • Harker School class of 2020

    • USA Computing Olympiad Platinum contestant (2016-present)

  • Eric Zhang

    • Harvard U. class of 2023

    • International Olympiad in Informatics Gold medalist (2018, 2019)

  • Fatih Gelgi, Ph.D

    • Computer Science Program Director, AlphaStar Academy

    • International Olympiad in Informatics Bronze medalist (1999)

  • Isaac Li

    • UCLA class of 2023

    • USA Computing Olympiad Platinum contestant (2016-2019)

  • Jonathan Yang

    • UC Berkeley class of 2022

    • USA Computing Olympiad Platinum contestant (2018)

  • Justin Li

    • UCLA class of 2023

    • USA Computing Olympiad Platinum contestant (2017-2019)

  • Metin Aktulga, Ph.D.

    • Assist Professor, Dept. of CSE, Michigan State U

    • International Olympiad in Informatics participant (2000)

  • Sukru Tikves, Ph.D.

    • Senior Engineer, Google

    • International Olympiad in Informatics Silver medalist (1997, 1998, 1999)

Terms and conditions:

  • Only high school and undergraduate students are eligible for the prizes.  
  • In order to be able to claim your prizes, your HackerEarth profile must be more than 60% complete.
  • Submission of ID proof is compulsory for claiming your prize. 


There are great prizes to be won

Special Prize

Top US ranker on the leaderboard wins the special prize.

First Prize

USD 300 

Second Prize

USD 200 

Third Prize

USD 100 

HackerEarth t-shirts

Top 20 participants to receive HackerEarth t-shirts.

AlphaStar vouchers

$500 worth vouchers to the top 10 participants to use at AlphaStar Academy courses or camps. Vouchers expire on August 31st, 2020.


Available Languages:

  • C/C++, Java


  • All competitors must compete as individuals. Teams are NOT allowed.
  • You may not collaborate or discuss problems with others...
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