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Test data are available in "Task and Solutions", and more detailed results can be found in "Results" .

Now you can see the team photos of 12 August.

Detailed results can be found in any group of medalists.

Now you can see the detailed final results.

Now you can see the final results.

Read the official newsletter of the Olympiad, Issue 8.

Read the official newsletter of the Olympiad, Issue 7.

Read Day 1 and Day 2 solutions.

Read the official newsletter of the Olympiad, Issue 6.

Read the tasks of Day 2 problems.

Read the official newsletter of the Olympiad, Issue 5.

The online contest has finished. More than 300 contestants from all over the world took part in it.

All solutions in Day 1 were checked within 15 minutes.

No contestations were lodged on 10 August 2009 from 17:00 to 19:00.

309 contestants from 78 countries participated in the first day of the Olympiad. Most of the teams had 4 contestants, except Chille, Hungary, Albania, Sri Lanka, Portugal and Turkmenistan - 3, Cuba - 2, Bangladesh - 1 contestant.

Read the official newsletter of the Olympiad, Issue 4.

Read the tasks of Day 1 problems. 

The online contest will start after the end of the official contest.

Read the tasks and solutions of Day 0 problems.

Read the official newsletter of the Olympiad, Issue 3.

Read the official newsletter of the Olympiad, Issue 2.

Read the official newsletter of the Olympiad, Issue 1.

How to see the workplaces for the training session on 09.08.2009, Sunday, 09:00 - 12:00.

How to try out the contest system with the Day 0 tasks.

You can download a live DVD with the sample test environment (~ 765 MB) here. The environment at the competition site will be virtually the same with minor security related changes such as network configuration, lack of root access, etc.
On the desktop you can find the file "readme.html " with description of the working environment for IOI'2009.

Read the letter from Krassimir Manev, Deputy Chairman of  IOI’2009.

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