OLYMPIADS IN INFORMATICS
International Journal

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Contents

Volume 5

Foreword (1-2)

David GINAT

Algorithmic Problem Solving and Novel Associations (3-11)

Lasse HAKULINEN

Survey on Informatics Competitions: Developing Tasks (12-25)

Kentaro IMAJO

Contest Environment Using Wireless Networks: A Case Study from Japan (26-31)

Grzegorz JAKACKI, Marcin KUBICA, Tomasz WALEN

Codility. Application of Olympiad-Style Code Assessment to Pre-Hire Screening of Programmers (32-43)

Vladimir M. KIRYUKHIN, Marina S. TSVETKOVA

Preparing for the IOI through Developmental Teaching (44-57)

Dennis KOMM

Teaching the Concept of Online Algorithms (58-71)

Tomasz KULCZYNSKI, Jakub LACKI, Jakub RADOSZEWSKI

Stimulating Students' Creativity with Tasks Solved Using Precomputation and VisualizationThe authors thank an anonymous referee for helpful suggestions on the presentation of the paper. (71-81)

Krassimir MANEV, Nikolai NIKOLOV, Minko MARKOV

Reconstruction of Trees Using Metric Properties (82-91)

Martin MARES

Fairness of Time Constraints (92-102)

Bruce MERRY, Carl HULTQUIST

Measuring the Startup Time of a Java Virtual Machine (103-112)

Pavel S. PANKOV, Kirill A. BARYSHNIKOV

Tasks of ``Mission Impossible'' and ``Mission Impeded'' Types (113-119)

Tom VERHOEFF

Beyond the Competitive Aspect of the IOI: It Is All about Caring for Talent (120-127)

Arturo CEPEDA, Margarita GARCIA

Mexican Olympiad in Informatics (128-130)

Sébastien COMBÉFIS, Damien LEROY

Belgian Olympiads in Informatics: The Story of Launching a National Contest (131-139)

Mario ITALIANI

Italian Olympiad in Informatics: 10 Years of the Selection and Education Process (140-146)

Jari KOIVISTO

The National Computer Olympiads and the IOI Participation in Finland (147-149)

Kanchit MALAIVONGS

Preparing Students for IOI: Thailand Country Report (150-154)

Pavel S. PANKOV, Timur R. ORUSKULOV

Kyrgyzstan National Report on Olympiads in Informatics (155-160)

Ela ZUR, Tamar BENAYA, Oren BECKER, David GINAT

Israel: The Regional and National Competitions (161-168)

REVIEWS, COMMENTS (169-175)

Volume 4

Editors

Foreword (1)

Benjamin A. BURTON

Encouraging Algorithmic Thinking Without a Computer (3-14)

Vladimir M. KIRYUKHIN

Mutual Influence of the National Educational Standard and Olympiad in Informatics Contents (15-29)

Vladimir M. KIRYUKHIN, Marina S. TSVETKOVA

Strategy for ICT Skills Teachers and Informatics Olympiad Coaches Development (30-51)

Marcin KUBICA, Jakub RADOSZEWSKI

Algorithms without Programming (52-66)

Ilham W. KURNIA, Brian MARSHAL

Indonesian Olympiad in Informatics (67-75)

Krassimir MANEV, Biserka YOVCHEVA, Milko YANKOV, Peter PETROV

Testing of Programs with Random Generated Test Cases (76-86)

Bruce MERRY

Performance Analysis of Sandboxes for Reactive Tasks (87-94)

Pavel S. PANKOV

Real Processes as Sources for Tasks in Informatics (95-103)

Margot PHILLIPPS

The New Zealand Experience of Finding Informatics Talent (104-112)

Tocho TOCHEV, Tsvetan BOGDANOV

Validating the Security and Stability of the Grader for a Programming Contest System (113-119)

Marina S. TSVETKOVA

The Olympiads in Informatics as a Part of the State Program of School Informatization in Russia (120-133)

Tom VERHOEFF

An Enticing Environment for Programming (134-141)

Hong WANG, Baolin YIN, Rujia LIU, Wenbin TANG, Weidong HU

Selection Mechanism and Task Creation of Chinese National Olympiad in Informatics (142-150)

Ela ZUR, Tamar BENAYA, David GINAT

IOI Israel - Team Selection, Training, and Statistics (151-157)

Wolfgang POHL, Benjamin A. BURTON, Valentina DAGIENE, Bronius SKUPAS, Jittat FAKCHAROENPHOL, Michal FORISEK, Mathias HIRON, Martins OPMANIS, Willem van der VEGT

Get Involved! The IOI Workshop 2010, Its Goals and Results (158-169)

Volume 3

Foreword (1-2)

Michal FORISEK

Using Item Response Theory to Rate (not only) Programmers (3-16)

Abdulrahman IDLBI

Taking Kids into Programming (Contests) with Scratch (17-25)

Emil KELEVEDJIEV, Zornitsa DZHENKOVA

Tasks and Training the Intermediate Age Students for Informatics Competitions (26-37)

Rob KOLSTAD

Infrastructure for Contest Task Development (38-59)

Martin MARES

Moe - Design of a Modular Grading System (60-66)

Bruce MERRY

Using a Linux Security Module for Contest Security (67-73)

Ilia NINKA

The Role of Reactive and Game Tasks in Competitions (74-79)

Martins OPMANIS

Team Competition in Mathematics and Informatics ``Ugale'' - Finding New Task Types (80-100)

Pavel S. PANKOV, Kirill A. BARYSHNIKOV

Representational Means for Tasks in Informatics (101-112)

Timo PORANEN, Valentina DAGIENE, Åsmund ELDHUSET, Heikki HYYRÖ, Marcin KUBICA, Antti LAAKSONEN, Martins OPMANIS, Wolfgang POHL, Jurate SKUPIENE, Pär SÖDERHJELM, Ahto TRUU

Baltic Olympiads in Informatics: Challenges for Training Together (112-131)

Pedro RIBEIRO, Pedro GUERREIRO

Improving the Automatic Evaluation of Problem Solutions in Programming Contests (132-143)

Willem van der VEGT

Using Subtasks (144-148)

Tom VERHOEFF

20 Years of IOI Competition Tasks (149-166)

Biserka YOVCHEVA, Galina MOMCHEVA, Petar PETROV

jBOI - One More Possibility for Increasing the Number of Competitors in Informatics (167-173)

Volume 2

Foreword (3-4)

Benjamin A. BURTON

Breaking the Routine: Events to Complement Informatics Olympiad Training (5-15)

Benjamin A. BURTON, Mathias HIRON

Creating Informatics Olympiad Tasks: Exploring the Black Art (16-36)

Emanuela CERCHEZ, Mugurel Ionut ANDREICA

Romanian National Olympiads in Informatics and Training (37-47)

Arthur CHARGUÉRAUD, Mathias HIRON

Teaching Algorithmics for Informatics Olympiads: The French Method (48-63)

Krzysztof DIKS, Marcin KUBICA, Jakub RADOSZEWSKI, Krzysztof STENCEL

A Proposal for a Task Preparation Process (64-74)

Emil KELEVEDJIEV, Zornitsa DZHENKOVA

Tasks and Training the Youngest Beginners for Informatics Competitions (75-89)

Krassimir MANEV

Tasks on Graphs (90-104)

Bruce MERRY, Marco GALLOTTA, Carl HULTQUIST

Challenges in Running a Computer Olympiad in South Africa (105-114)

Pavel S. PANKOV

Naturalness in Tasks for Olympiads in Informatics (115-121)

Wolfgang POHL

Manual Grading in an Informatics Contest (122-130)

Miguel A. REVILLA, Shahriar MANZOOR, Rujia LIU

Competitive Learning in Informatics: The UVa Online Judge Experience (131-148)

Pedro RIBEIRO, Pedro GUERREIRO

Early Introduction of Competitive Programming (149-162)

Seiichi TANI, Etsuro MORIYA

Japanese Olympiad in Informatics (163-170)

Ahto TRUU, Heno IVANOV

On Using Testing-Related Tasks in the IOI (171-180)

Troy VASIGA, Gordon CORMACK, Graeme KEMKES

What Do Olympiad Tasks Measure? (181-191)

Tom VERHOEFF

Programming Task Packages: Peach Exchange Format (192-207)

Volume 1

Editorial (3-4)

Ricardo de Oliveira ANIDO, Raphael Marcos MENDERICO

Brazilian Olympiad in Informatics (5-14)

Predrag BRODANAC

Regular Competitions in Croatia (15-23)

Giorgio CASADEI, Bruno FADINI, Marta Genovie De VITA

Italian Olympiads in Informatics (24-30)

Lhaichin CHOIJOOVANCHIG, Sambuu UYANGA, Mendee DASHNYAM

The Informatics Olympiad in Mongolia (31-36)

Valentina DAGIENE, Jurate SKUPIENE

Contests in Programming: Quarter Century of Lithuanian Experience (37-49)

Krzysztof DIKS, Marcin KUBICA, Krzysztof STENCEL

Polish Olympiad in Informatics - 14 Years of Experience (50-56)

Michal FORISEK

Slovak IOI 2007 Team Selection and Preparation (57-65)

Metodija JANCESKI, Veno PACOVSKI

Olympiads in Informatics: Macedonian Experience, Needs, Challenges (66-78)

Graeme KEMKES, Gordon CORMACK, Ian MUNRO, Troy VASIGA

New Task Types at the Canadian Computing Competition (79-89)

Vladimir M. KIRYUKHIN

The Modern Contents of the Russian National Olympiads in Informatics (90-104)

Rob KOLSTAD, Don PIELE

USA Computing Olympiad (USACO) (105-111)

Krassimir MANEV, Emil KELEVEDJIEV, Stoyan KAPRALOV

Programming Contests for School Students in Bulgaria (112-123)

Martin MARES

Perspectives on Grading Systems (124-130)

Pavel S. PANKOV, Timur R. ORUSKULOV

Tasks at Kyrgyzstani Olympiads in Informatics: Experience and Proposals (131-140)

Wolfgang POHL

Computer Science Contests in Germany (141-148)

Pedro RIBEIRO, Pedro GUERREIRO

Increasing the Appeal of Programming Contests with Tasks Involving Graphical User Interfaces and Computer Graphics (149-164)

Hong WANG, Baolin YIN, Wenxin LI

Development and Exploration of Chinese National Olympiad in Informatics (CNOI) (165-174)