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Dyalog Ltd is pleased to host the APL Problem Solving Competition. The challenge has two phases:

• Phase I consists of ten simple problems that must all be solved.
• Phase II consists of more complex problems in three categories.

We encourage students at all levels of education, anywhere in the world, to participate. Non-students are welcome to submit solutions and may receive an honourable mention, but proof of enrolment in a full-time educational program is required to win a cash prize.

Thanks to our sponsors Fiserv and SimCorp, substantial cash prizes are offered. In addition, the winner is invited to the next Dyalog user meeting to present their winning work.

The 2018 APL Problem Solving Competition

The competition is now closed and no further submissions will be accepted.

Winners will be announced on Monday 3 September 2018.

Important Dates

15 May – competition launches

13 August – deadline for submissions

3 September – winners announced

Prizes

Phase II – Grand prize winner
receives a cash prize of $2,500 USD and an invitation to present their winning work at Dyalog '18 in Northern Ireland, UK

Phase II – second place
receives a cash prize of $1,250 USD

Phase II – third place
receives a cash prize of $750 USD

Phase II – Winning Professional Entrant
receives a delegate package registration for Dyalog '18 in Northern Ireland, UK

Phase II winners
receive a cash prize of $200 USD (5 awarded) – winners selected randomly from submissions that have a correct solution to any problem in any phase II problem set

Phase I winners
receive a cash prize of $100 USD (10 awarded) – winners selected based on most accurate/well-written submissions

Previous Years

Details of the problems set in previous years (and the appropriate workspaces to help solve them) can be downloaded from the table below; this table also includes information on the main prize winners for each year.

Our blog includes posts relating to some of the problems set in previous years, with pointers on how they might be solved.

	Tasks	Workspace	Example UTF-8 Format	Winners	Winner's Presentation
2017	Phase I Phase II
2016	Phase I Phase II
2015	Phase I Phase II
2014	Phase I Phase II				1st place non-student
2013	Phase I Phase II
2012					n/a
2011
2010		n/a			1st place 2nd place
2009		n/a	n/a