2015 APL programming language Problem-Solving Competition (cash prizes and a paid trip to the annual Dyalog user meeting in Sicily, Italy.)

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Application Deadline: July 16th 2015

Use the APL programming language and your problem solving skills to compete for cash prizes and a paid trip to the annual Dyalog user meeting in Sicily, Italy.

Don’t know APL? Don’t worry! Most of the winners of previous competitions were new to APL yet quickly learned enough to submit excellent entries.

Eligibility Requirements:

  • While anyone is welcome to participate in the competition, only verified full-time students are eligible to win any of the 43 cash prizes and trip to the Dyalog user conference.


Grand prize

$2,500 cash prize and an invitation to attend the 2015 Dyalog user meeting (to be held in Sicily, Italy from September 6-10, 2015).

At the user meeting the winner will receive their prize and have the opportunity to present their winning work. Travel costs up to $3,500 plus $500 for incidental expenses and all user meeting fees will be provided by Dyalog.

Second prize

$1,250 cash prize

Third prize

$750 cash prize

Phase I prizes

The top 20 Phase I participants will each receive a $100 cash prize.

Phase II participation prizes

20 participants who submit entries for Phase II of the competition will be selected to receive a $100 cash prize.

Non-student prize

One non-student participant will win a complimentary registration to Dyalog’15.

How to Participate

Step 1: Sign up

Sign up for the challenge or log in using your Student Competitions account.

Step 2: Download the APL software

Dyalog provides an educational licence, free of charge, to all those in full time education. Apply for an educational licence here.

Step 3: Complete Phase I

In Phase I of the competition you will be introduced to APL as you tackle 10 small problems that can each be solved using a single line of APL code. Sound easy? Start the challenge to find out! You can download a copy of the Phase I problem descriptions here.
(Or hone your APL skills before you get started!)

Step 4: APL Phase II

Things start to heat up in Phase II. Here you will be challenged with a set of problems of varying complexity. You’ll code your solutions and upload a file containing the code. You can download the Phase II questions here before you get started.

    You will need the following files in order to solve the Phase II problems and submit your solution:

  • Contest2015.dws – the Phase II workspace
  • Contest2015.dyalog – the Phase II UTF-8 template file

Step 5: Wait for your results!

On August 10th the winners of the competition will be announced on the competition website.


July 16 – Competition closes. All submissions must be complete by this date.

Week of August 3 – The 43 winners of the competition contacted

September 6-10 – Dyalog user meeting in Sicily, Italy

For More Information:

Visit the Official Webpage of the

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