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The '''APL Problem Solving Competition''' is a yearly contest hosted by [[Dyalog Ltd.]]
The '''APL Problem Solving Competition''' was a yearly contest hosted by [[Dyalog Ltd.]] During the [[Dyalog user meeting]] that followed shortly after the competition closed, the winners were announced, followed by presentations by the grand prize winner and the professional prize winner. In 2024, the competition was replaced by the new [[APL Challenge]].


== Winners ==
The [[APL Quest]] is a series of chat events and follow-up videos addressing the Phase 1 problems of past years.
=== 2019 ===
 
=== 2009 ===
[https://www.dyalog.com/news/2/420/Dyalog-Announces-Winners-of-Worldwide-Computer-Programming-Contest.htm Announcement and about the grand prize winner]
{| class="wikitable"
|'''Grand Prize'''|| Ronald Chan || Auckland, New Zealand
|-
|'''2nd Place'''|| Chris King || Brown University, Rhode Island USA
|-
|'''3rd Place'''|| Maks Verver || The Netherlands
|-
|}
 
=== 2010 ===
[https://www.dyalog.com/news/34/420/Meet-the-winners-of-the-World-Wide-Programming-Competition-2010.htm About the winners]
{| class="wikitable"
|'''Grand Prize'''|| Ryan Tarpine || Brown University, Providence, Rhode Island, USA.
|-
|'''2nd Place'''|| Mstislav Elagin || Humboldt-Universität zu Berlin, Germany
|-
|'''3rd Place'''|| Joel Hough || Salt Lake Community College, Kaysville Utah, USA
|-
|'''Special Effort'''||Alexander Ivanov || Moscow Institute for Physical Research
|}
 
=== 2011 ===
[https://www.dyalog.com/news/59/420/Programming-Contest-Winners.htm About the winners]
{| class="wikitable"
|'''Grand Prize'''|| Joel Hough || The University of Utah, USA
|-
|'''2nd Place'''|| Yanqing Chen || Stony Brook University, New York, USA
|-
|'''3rd Place'''|| Elliot Way || Binghamton University, New York, USA
|-
|}
 
=== 2012 ===
[https://www.dyalog.com/news/72/420/4th-World-Wide-APL-Programming-Contest-Winner-Announced.htm Announcement and about the winner]
{| class="wikitable"
|'''Grand Prize'''|| Hayato Hashimoto || Kyoto University, Japan
|}
 
=== 2013 ===
[https://www.dyalog.com/news/83/420/2013-APL-Programming-Contest-winners.htm Announcement and about the winners]
{| class="wikitable"
|'''Grand Prize'''|| Yanqing Chen|| Stony Brook University, USA
|-
|'''2nd Place'''|| Maks Verver || The Netherlands
|-
|'''3rd Place'''|| Chao Xu || University of Illinois, Urbana-Champaign, USA
|-
|}
 
=== 2014 ===
[https://www.dyalog.com/news/93/456/Winners-Announced-for-the-2014-APL-Programming-Contest.htm Announcement]
 
[https://www.dyalog.com/news/94/420/2014-APL-Programming-Contest-Winners.htm About the winners]
This was the first year in which a prize was offered to non-student entrants.
{| class="wikitable"
|'''Grand Prize'''|| Emil Bremer Orloff || Aarhus University, Denmark
|-
|'''2nd Place'''|| Seán Kelleher || University College Cork, Ireland
|-
|'''3rd Place'''|| Chao Xu || University of Illinois, Urbana-Champaign, U.S.A
|-
|'''Professional Prize'''|| Iryna Pashenkovska || SimCorp Ukraine
|-
|rowspan=2|'''Honourable mention'''||Jan-Pieter Jacobs || Universiteit Antwerpen, Belgium
|-
| Christopher Zhang || State University of New York at Binghamton, U.S.A.
|}
 
=== 2015 ===
[https://www.dyalog.com/news/101/456/Winners-Announced-for-the-2015-APL-Programming-Contest.htm Announcement]
 
[https://www.dyalog.com/news/102/420/2015-APL-Programming-Contest-Winners.htm About the winners]
 
{| class="wikitable"
|'''Grand Prize'''|| Arianna Locatelli || Liceo Classico S. M. Legnani, Saronno, Italy
|-
|'''2nd Place'''|| Joshua (Josh) David || University of Scranton, USA
|-
|'''3rd Place'''|| Dragana Babić || University of Novi Sad, Serbia
|-
|'''Professional Prize'''|| Roberto Szabó
|-
| rowspan=2 | '''Honourable mention''' || Alexander Kuhnle || Cambridge University, U.K.
|-
| Luyang Du || State University of New York at Binghamton, U.S.A.
|}
 
=== 2016 ===
[https://www.dyalog.com/news/110/456/Winners-Announced-for-the-2016-APL-Programming-Contest.htm Announcement]
 
[https://www.dyalog.com/news/112/420/2016-APL-Programming-Contest-Winners.htm About the winners]
 
This round of the competition offered 3 grand prizes, one each in the subject domains of finance, general computing and bioinformatics.
 
{| class="wikitable"
|'''Grand Prize (Finance)'''|| Janos (Zack) Batik || University of Cape Town, South Africa
|-
|'''Grand Prize (General Computing)'''|| Joshua (Josh) David || University of Scranton, USA
|-
|'''Grand Prize (Bioinformatics)'''|| Marinus Oosters || Universiteit Utrecht, The Netherlands
|-
|'''Professional Prize'''|| Mike Powell
|-
|'''Runner-up (Finance)''' || Rafael Rodrigues || Fundação Getulio Vargas, Brazil
|-
|'''Runner-up (General Computing)''' || Imaculate Mosha || University of Cape Town, South Africa
|-
|'''Runner-up (Bioinformatics)''' || Louis de Forcrand || Ecole Moser, Switzerland
|}


[https://www.dyalog.com/news/134/420/2019-APL-Problem-Solving-Competition-Winners.htm Announcement]
=== 2017 ===
[https://www.dyalog.com/news/118/456/Winners-Announced-for-the-2017-APL-Programming-Contest.htm Announcement]


[https://www.dyalog.com/news/136/420/2019-APL-Problem-Solving-Competition-Winners.htm About the winners]
[https://www.dyalog.com/news/119/420/2017-APL-Programming-Contest-Winners.htm About the winners]


{| class="wikitable"
{| class="wikitable"
|'''Grand Prize'''|| Jamin Wu || Monash University, Australia
|'''Grand Prize'''|| Kostas Blekos || Panepistimion Patron, Greece
|-
|-
|'''2nd Place'''|| Rasmus Précenth || Uppsala University, Sweden
|'''2nd Place'''|| Douglas Patz || Agile Learning Center, New York City, USA
|-
|-
|'''3rd Place'''|| Douglas Patz || Agile Learning Center, New York City, USA
|'''3rd Place'''|| Zachary Taylor || Maryville High School, USA
|-
|-
|'''Professional Prize'''|| Torsten Grust || University of Tübingen, Germany
|'''Professional Prize'''|| Mike Powell
|-
|-
|rowspan=5|'''Phase II'''|| Fredrik Mattisson || Uppsala University, Sweden
|rowspan=5|'''Phase I'''||Armando Cruz || Universidad Nacional Autónoma de México, Mexico
|-
|-
|Joe Robertson || Durham University, U.K.
|Ivan Demianchuk || National Taras Shevchenko University of Kyiv, Ukraine
|-
|-
|Louis de Forcrand || Geneva University, Switzerland
|Yash Garg || Indian Institute of Technology, Delhi, India
|-
|-
|P R Vaidyanathan || Indian Institute of Technology Gandhinagar, India
|Arna Ghosh || Indian Institute of Technology, Kharagpur, India
|-
|-
|Rafael Rodrigues Rocha de Melo || Kyoto University, Japan
|Akarsh Ramesh Khatagalli || Visvesvaraya Technological University, India
|-
|-
|rowspan=10|'''Phase I'''||David Cao || University of California: San Diego, U.S.A.
|rowspan=10|'''Phase I'''||Aiken Cairncross || University of Oxford, UK
|-
|-
|Douglas Patz || Agile Learning Center, New York, U.S.A.
|Yu-Chi Chiang || National Central University, Taiwan
|-
|-
|Dzintars Klušs || Riga State Gynmasium No. 1, Latvia
|Anthony Cipriano || Gustav-Stresemann Gymnasium, Germany
|-
|-
|Fredrik Mattisson || Uppsala University, Sweden
|Ivan Demianchuk || National Taras Shevchenko University of Kyiv, Ukraine
|-
|-
|Louis de Forcrand || Geneva University, Switzerland
|Tripti Garg || NorthCap University, India
|-
|-
|Maksim Podkorytov || Florida State University, Florida, U.S.A.
|Arna Ghosh || Indian Institute of Technology, Kharagpur, India
|-
|-
|Mohammed Malik || Turku International School, Finland
|Bertil Johnson || University of Kentucky, USA
|-
|-
|P R Vaidyanathan || Indian Institute of Technology Gandhinagar, India
|Mohammed Malik || Copenhagen International School, Denmark
|-
|-
|Rasmus Précenth || Uppsala University, Sweden
|Douglas Patz || Agile Learning Center, New York, USA
|-
|-
|Zoe Kane || Greenville Technical College, South Carolina, U.S.A.
|Zachary Taylor || Maryville High School, USA
|}
|}


Line 92: Line 204:
|K C Unesh || Kathmand University, Nepal
|K C Unesh || Kathmand University, Nepal
|}
|}
==== Published solutions ====
* rak1507: [https://github.com/rak1507/Various-APL-Stuff/blob/master/Competitions/2018/Phase%201.dyalog Phase 1]


=== 2017 ===
=== 2019 ===
[https://www.dyalog.com/news/119/420/2017-APL-Programming-Contest-Winners.htm Article on dyalog.com]
 
[https://www.dyalog.com/news/134/420/2019-APL-Problem-Solving-Competition-Winners.htm Announcement]
 
[https://www.dyalog.com/news/136/420/2019-APL-Problem-Solving-Competition-Winners.htm About the winners]


{| class="wikitable"
{| class="wikitable"
|'''Grand Prize'''|| Kostas Blekos || Panepistimion Patron, Greece
|'''Grand Prize'''|| Jamin Wu || Monash University, Australia
|-
|'''2nd Place'''|| Rasmus Précenth || Uppsala University, Sweden
|-
|'''3rd Place'''|| Douglas Patz || Agile Learning Center, New York City, USA
|-
|'''Professional Prize'''|| Torsten Grust || University of Tübingen, Germany
|-
|rowspan=5|'''Phase II'''|| Fredrik Mattisson || Uppsala University, Sweden
|-
|Joe Robertson || Durham University, U.K.
|-
|Louis de Forcrand || Geneva University, Switzerland
|-
|P R Vaidyanathan || Indian Institute of Technology Gandhinagar, India
|-
|Rafael Rodrigues Rocha de Melo || Kyoto University, Japan
|-
|rowspan=10|'''Phase I'''||David Cao || University of California: San Diego, U.S.A.
|-
|Douglas Patz || Agile Learning Center, New York, U.S.A.
|-
|Dzintars Klušs || Riga State Gynmasium No. 1, Latvia
|-
|Fredrik Mattisson || Uppsala University, Sweden
|-
|Louis de Forcrand || Geneva University, Switzerland
|-
|Maksim Podkorytov || Florida State University, Florida, U.S.A.
|-
|Mohammed Malik || Turku International School, Finland
|-
|-
|'''2nd Place'''|| Douglas Patz || Agile Learning Center, New York City, USA
|P R Vaidyanathan || Indian Institute of Technology Gandhinagar, India
|-
|-
|'''3rd Place'''|| Zachary Taylor || Maryville High School, USA
|Rasmus Précenth || Uppsala University, Sweden
|-
|-
|'''Professional Prize'''|| Mike Powell
|Zoe Kane || Greenville Technical College, South Carolina, U.S.A.
|}
|}
==== Published solutions ====
* rak1507: [https://github.com/rak1507/Various-APL-Stuff/blob/master/Competitions/2019/Phase%201.dyalog Phase 1]
* Teggy: [https://github.com/Teggy/Dyalog-2019-APL-Competition Phases 1 + 2]


=== 2016 ===
=== 2020 ===
[https://www.dyalog.com/news/112/420/2016-APL-Programming-Contest-Winners.htm Article on dyalog.com]
[https://www.dyalog.com/news/142/420/2020-APL-Problem-Solving-Competition-Winners.htm Announcement]


This round of the competition offered 3 grand prizes, one each in the subject domains of finance, general computing and bioinformatics.
[https://www.dyalog.com/news/143/420/Meet-The-2020-APL-Problem-Solving-Competition-Winners.htm About the winners]


{| class="wikitable"
{| class="wikitable"
|'''Grand Prize (Finance)'''|| Janos (Zack) Batik || University of Cape Town, South Africa
|'''Grand Prize'''|| Andrii Makukha || University of Hong Kong, China
|-
|'''2nd Place'''|| Dzintars Klušs || Riga State Gymnasium No. 1, Latvia
|-
|'''3rd Place'''|| Joshua King || University of New South Wales, Australia
|-
|'''Professional Prize'''|| Woosuk Kwak || South Korea
|-
|rowspan=5|'''Phase II'''|| Brendan King || Rose-Hulman Institute of Technology, Indiana, U.S.A.
|-
| Federico Landonio || Liceo Scientifico GB Grassi Saronno, Italy
|-
| Iiro Tapio Rastas || University of Turku, Finland
|-
| Louis de Forcrand || Geneva University, Switzerland
|-
| Zoe Kane || Greenville Technical College, South Carolina, U.S.A.
|-
|rowspan=10|'''Phase I'''|| Chiang Yu-Chi || National Central University, Taiwan
|-
| Dzintars Klušs || Riga State Gymnasium No. 1, Latvia
|-
| Federico Landonio || Liceo Scientifico GB Grassi Saronno, Italy
|-
| Joel Niemelä || home schooling, Texas, U.S.A.
|-
| Joshua King || University of New South Wales, Australia
|-
|-
|'''Grand Prize (General Computing)'''|| Joshua (Josh) David || University of Scranton, USA
| Maksim Podkorytov || Florida State University, Florida, U.S.A.
|-
|-
|'''Grand Prize (Bioinformatics)'''|| Marinus Oosters || Universiteit Utrecht, The Netherlands
| Mattia Borgo || University of Padua, Italy
|-
|-
|'''Professional Prize'''|| Mike Powell
| Mohammed Malik || University of Pavia, Italy
|-
|-
|'''Runner-up (Finance)''' || Rafael Rodrigues || Fundação Getulio Vargas, Brazil
| Rafael Rodrigues Rocha de Melo || Kyoto University, Japan
|-
|-
|'''Runner-up (General Computing)''' || Imaculate Mosha || University of Cape Town, South Africa
| Zoe Kane || Greenville Technical College, South Carolina, U.S.A.
|-
|-
|'''Runner-up (Bioinformatics)''' || Louis de Forcrand || Ecole Moser, Switzerland
|}
|}
==== Published solutions ====
* rak1507: [https://github.com/rak1507/Various-APL-Stuff/blob/master/Competitions/2020/Phase%201.dyalog Phase 1], [https://github.com/rak1507/Various-APL-Stuff/blob/master/Competitions/2020/Phase%202.dyalog Phase 2]


=== 2015 ===
=== 2021 ===
[https://www.dyalog.com/news/102/420/2015-APL-Programming-Contest-Winners.htm Article on dyalog.com]
The 2021 round began on February 21 and closed on July 30.<ref>[[Dyalog Ltd.]] [https://www.dyalog.com/news/145/420/2021-APL-Problem-Solving-Competition-Announced-by-Dyalog-Ltd.htm 2021 APL Problem Solving Competition Announced by Dyalog Ltd]. News about Dyalog. Feb 12, 2021.</ref>
==== Winners ====
[https://www.dyalog.com/news/146/420/2021-APL-Problem-Solving-Competition-Winners.htm Announcement] and [https://www.dyalog.com/news/147/420/Meet-The-2021-APL-Problem-Solving-Competition-Winners.htm biographies].


{| class="wikitable"
{| class="wikitable"
|'''Grand Prize'''|| Arianna Locatelli || Liceo Classico S. M. Legnani, Saronno, Italy
|'''Grand Prize'''|| Dzintars Klušs || Riga State Gymnasium No. 1, Latvia
|-
|'''2nd Place'''|| Victor Ogunlokun || Obafemi Awolowo University, Nigeria
|-
|'''3rd Place'''|| Aaron Paterson || Quinnipiac University, Connecticut, U.S.A.
|-
|'''Special Recognition'''|| Mehdi Zribi || Liceo Scientifico GB Grassi Saronno, Italy
|-
|'''Professional Prize'''|| Julian Witte || Germany
|-
|rowspan=5|'''Phase II'''|| Alessandro Bassi || Liceo Scientifico GB Grassi Saronno, Italy
|-
| Rory Kemp || Edinburgh Academy, U.K.
|-
| Federico Landonio || Liceo Scientifico GB Grassi Saronno, Italy
|-
| Douglas Patz || home schooled, New York, U.S.A.
|-
| Qifan Wang || Auburn University, Alabama, U.S.A.
|-
|rowspan=10|'''Phase I'''|| Joseph Adams || Heinrich Heine University Düsseldorf, Germany
|-
| Mattia Borgo || University of Padua, Italy
|-
| Peter Mikkelsen || Aalborg University, Denmark
|-
| Raghu Ranganathan || SRM Institute of Science and Technology, India
|-
| Rafael Rodrigues Rocha de Melo || Kyoto University, Japan
|-
| Vladimir Sotirov || University of Wisconsin-Madison, Wisconsin, U.S.A.
|-
| Oskar von Seeler || Georg August University of Göttingen, Germany
|-
| Qifan Wang || Auburn University, Alabama, U.S.A.
|-
|-
|'''2nd Place'''|| Joshua (Josh) David || University of Scranton, USA
| Chiang Yu-Chi || National Taiwan University of Science and Technology, Taiwan
|-
|-
|'''3rd Place'''|| Dragana Babić || University of Novi Sad, Serbia
| Mehdi Zribi || Liceo Scientifico GB Grassi Saronno, Italy
|-
|-
|'''Professional Prize'''|| Roberto Szabó
|}
|}
==== Published solutions ====
* (anonymous): [https://tio.run/#%23JU89S8NAGN7zK7IlIUkvd7ZVhy46OLi5FoeC4FLwVmlcHEpy9qDiEEdJDXbrUMRS6NL8k/ePxOe9LsfxPt8TPU0fnifTp8eu0zKj@XJG8/cwJbuP8DmuyczJ/r54@tJhi0IcNyoVZHcykQnZtaLyS7SVuzHvArwc@ibMfNX3hxmZ5rg5gxmZOvL0OfCQih@hRoKKTypMLJIwFtJXvuKDLaMI1GTcG9zT4uDpISerPObQ4CoYcQ4MJD5bCILbAACaOPEuuAPD1J4enIKM5EG0MKr9Y1JZY9gHjJOx5ASUOgkz9sudtO@k1VvKhdoq6jtpW@HxNKYsyayA9GaoglZrlu5z18u8kv12Jop5dgtVWbvbisoGB0@j0RJrytrZyiwDpzA85eY66Lp/ Phase 1]
* dzaima: [https://dzaima.github.io/paste/#0LZC9TsMwFIX3PEU22yStY1PYssDAwNY3qMTCC7CkXQBFiRsjKoTSEdJWZOuAUCKkLvGb3CfhuGXxzzlH9373cpUkro6k66hsBBWGijW7uWYB2e852VZF0MluyWyCjFP@lqRkfxEaw/0RcmjJPOK1gBQHfOK6Ya8jqpdKoKRtXY0jyOjl/e7@gfJXRctnxDmZJnadIPNE1YHPqNxSZWCcjS@EnCFItk9SfqQwAEMH37/8kBqNe/xTdsUA/MWmt1NG5SckiV64MAVEtgjgyswfOpU8kipUZEuPHUfSVwR8sT6ikN35OaoDBGREMB9B4kmoJ@FlQmY37M@9la8EhqkKqeG3KNKr2G8p1h7N1XokT6i@FPaUr7A75a/q8L@qDVfpCRfTNz79Bw#APL Phase 1]
* LdBeth: [https://github.com/LdBeth/aplcomp2021 Phase 1]
* Mehdi Zribi: [https://github.com/Masterquiz/APL-Problem-Solving-Competition/tree/main/2021/Phase1 Phase 1], [https://github.com/Masterquiz/APL-Problem-Solving-Competition/tree/main/2021/Phase2 Phase 2]
* rak1507: [https://github.com/rak1507/Various-APL-Stuff/blob/master/Competitions/2021/Phase%201.dyalog Phase 1], [https://github.com/rak1507/Various-APL-Stuff/blob/master/Competitions/2021/Phase%202.dyalog Phase 2]
* [[User:Razetime|Razetime]]: [https://github.com/razetime/APLPSC21/tree/master/Phase-1 Phase 1], [https://github.com/razetime/APLPSC21/tree/master/Phase-2 Phase 2]
=== 2022 ===
The 2022 round began on March 22 and closed on July 29.<ref>Dyalog Ltd. [https://www.dyalog.com/news/150/420/2022-APL-Problem-Solving-Competition-Announced-by-Dyalog-Ltd.htm 2022 APL Problem Solving Competition Announced by Dyalog Ltd]. News about Dyalog. Mar 22, 2022.</ref>
==== Winners ====
[https://www.dyalog.com/news/151/420/2022-APL-Problem-Solving-Competition-Winners.htm Announcement] and [https://www.dyalog.com/news/152/420/Meet-The-2022-APL-Problem-Solving-Competition-Winners.htm biographies].


=== 2014 ===
[https://www.dyalog.com/news/94/420/2014-APL-Programming-Contest-Winners.htm Article on dyalog.com]
This was the first year in which a prize was offered to non-student entrants.
{| class="wikitable"
{| class="wikitable"
|'''Grand Prize'''|| Emil Bremer Orloff || Aarhus University, Denmark
|'''Grand Prize'''|| Tzu-Ching Lee || National Tsing Hua University, Taiwan
|-
|'''2nd Place'''|| Rory Kemp || Edinburgh Academy, U.K.
|-
|'''3rd Place'''|| Dzintars Klušs || Rīgas Tehniskā Universitāte (Riga Technical University), Latvia
|-
|'''Professional Prize'''|| Michael Higginson || Canada
|-
|rowspan=5|'''Phase II'''|| Brian Ellingsgaard || Klaksvik Technical School, Faroe Islands
|-
| Sergey Ichtchenko || University of Helsinki, Finland
|-
| Ajai Nelson || Oberlin College, Ohio, U.S.A.
|-
| Oskar von Seeler || Georg August University of Göttingen, Germany
|-
| Mehdi Zribi || Liceo Scientifico GB Grassi Saronno (GB Grassi Scientific High School in Saronno), Italy
|-
|rowspan=10|'''Phase I'''|| Mattia Borgo || University of Padua, Italy
|-
| Ronzoni Gabriele || Liceo Scientifico GB Grassi Saronno (GB Grassi Scientific High School in Saronno), Italy
|-
| Sergey Ichtchenko || University of Helsinki, Finland
|-
| Rory Kemp || Edinburgh Academy, U.K.
|-
| Dzintars Klušs || Riga Technical University, Latvia
|-
| Natanael Lundberg || Grillska gymnasiet Uppsala (Uppsala High School), Sweden
|-
| Raghu Ranganathan || SRM Institute of Science and Technology, India
|-
| Oskar von Seeler || Georg August University of Göttingen, Germany
|-
|-
|'''2nd Place'''|| Seán Kelleher || University College Cork, Ireland
| Kamila Szewczyk || I Liceum Ogólnokształcące (Warsaw High School), Poland
|-
|-
|'''3rd Place'''|| Chao Xu || University of Illinois, Urbana-Champaign, U.S.A
| Mehdi Zribi || Liceo Scientifico GB Grassi Saronno (GB Grassi Scientific High School in Saronno), Italy
|-
|-
|'''Professional Prize'''|| Iryna Pashenkovska
|}
|}


=== 2013 ===
==== Published solutions ====
[https://www.dyalog.com/news/83/420/2013-APL-Programming-Contest-winners.htm Article on dyalog.com]
* Stefan Kruger: [https://github.com/xpqz/dyalog2022 Phase 1 and 2]
* Peter Mikkelsen: [https://git.sr.ht/~pmikkelsen/dyalog-competition-2022 Phase 2]
* LdBeth: [https://ldbeth.sdf.org/aplcomp/2022/phase1.html Phase1], [https://ldbeth.sdf.org/aplcomp/2022/phase2.html Phase2]
* Akmy: [https://git.sr.ht/~akamayu-ouo/DyalogAPLContest/tree/master/item/2022 Phase 1 and 2]
 
=== 2023 ===
The 2023 round began on March 6 and closed on July 28.<ref>Dyalog Ltd. [https://www.dyalog.com/news/153/420/2023-APL-Problem-Solving-Competition-Announced-by-Dyalog-Ltd.htm 2023 APL Problem Solving Competition Announced by Dyalog Ltd]. News about Dyalog. Mar 6, 2023.</ref>
 
==== Winners ====
 
[https://www.dyalog.com/news/156/420/2023-APL-Problem-Solving-Competition-Winners.htm Announcement] and [https://www.dyalog.com/news/157/420/Meet-The-2023-APL-Problem-Solving-Competition-Winners.htm biographies].
 
{| class="wikitable"
{| class="wikitable"
|'''Grand Prize'''|| Yanqing Chen|| Stony Brook University, USA
|'''Grand Prize'''|| Andrea Piseri || Università degli Studi di Milano (University of Milan), Italy
|-
|'''2nd Place'''|| Rory Kemp || University of Oxford, U.K.
|-
|'''3rd Place'''|| Dzintars Klušs || Rīgas Tehniskā Universitāte (Riga Technical University), Latvia
|-
|'''Professional Prize'''|| Alexander Block ||
|-
|rowspan=5|'''Phase II'''|| Kamila Szewczyk || Universität des Saarlandes (Saarland University), Germany
|-
| Madeline Vergani || Liceo Statale Scientifico e Classico "E. Majorana", Desio (Scientific and Classical State High School “E. Majorana”), Italy
|-
| Daniel Vlasits || University of Cambridge, U.K.
|-
| Oskar von Seeler || Georg-August-Universität Göttingen (Georg August University of Göttingen), Germany
|-
|-
|'''2nd Place'''|| Maks Verver || The Netherlands
| Qifan Wang || Auburn University, Alabama, U.S.A.
|-
|-
|'''3rd Place'''|| Chao Xu || University of Illinois, Urbana-Champaign, USA
|rowspan=10|'''Phase I'''|| Brian Ellingsgaard || Tekniski Skúli í Klaksvík (Klaksvik Technical School), Faroe Islands
|-
|-
|}
| Mitchell Johnstone || Milwaukee School of Engineering, Wisconsin, U.S.A.
=== 2012 ===
[https://www.dyalog.com/news/72/420/4th-World-Wide-APL-Programming-Contest-Winner-Announced.htm Article on dyalog.com]
{| class="wikitable"
|'''Grand Prize'''|| Hayato Hashimoto || Kyoto University, Japan
|}
=== 2011 ===
[https://www.dyalog.com/news/59/420/Programming-Contest-Winners.htm Article on dyalog.com]
{| class="wikitable"
|'''Grand Prize'''|| Joel Hough || The University of Utah, USA
|-
|-
|'''2nd Place'''|| Yanqing Chen || Stony Brook University, New York, USA
| Federico Landonio || Università degli Studi di Milano (University of Milan), Italy
|-
|-
|'''3rd Place'''|| Elliot Way || Binghamton University, New York, USA
| Tzu-Ching Lee || National Tsing Hua University, Taiwan
|-
|-
|}
| Andrea Piseri || Università degli Studi di Milano (University of Milan), Italy
=== 2010 ===
[https://www.dyalog.com/news/34/420/Meet-the-winners-of-the-World-Wide-Programming-Competition-2010.htm Article on dyalog.com]
{| class="wikitable"
|'''Grand Prize'''|| Ryan Tarpine || Brown University, Providence, Rhode Island, USA.
|-
|-
|'''2nd Place'''|| Mstislav Elagin || Humboldt-Universität zu Berlin, Germany
| Gabriele Ronzoni || Università degli Studi di Milano (University of Milan), Italy
|-
|-
|'''3rd Place'''|| Joel Hough || Salt Lake Community College, Kaysville Utah, USA
| Kamila Szewczyk || Universität des Saarlandes (Saarland University), Germany
|-
|-
|}
| Madeline Vergani || Liceo Statale Scientifico e Classico "E. Majorana", Desio (Scientific and Classical State High School “E. Majorana”), Italy
=== 2009 ===
[https://www.dyalog.com/news/2/420/Dyalog-Announces-Winners-of-Worldwide-Computer-Programming-Contest.htm Article on dyalog.com]
{| class="wikitable"
|'''Grand Prize'''|| Ronald Chan || Auckland, New Zealand
|-
|-
|'''2nd Place'''|| Chris King || Brown University, Rhode Island USA
| Oskar von Seeler || Georg-August-Universität Göttingen (Georg August University of Göttingen), Germany
|-
|-
|'''3rd Place'''|| Maks Verver || The Netherlands
| Mehdi Zribi || Politecnico di Milano (Polytechnic University of Milan), Italy
|-
|-
|}
|}
Line 201: Line 463:
== References ==
== References ==
<references/>
<references/>
{{APL community}}
{{APL community}}[[Category:Recreation]]
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