Problems source | Problems of this volume were offered by Kovrov IT 2009 contest, that was held in Kovrov (Russia) in September 2009.
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New problems | Задачи к Contester доступны в виде встраиваемых zip-файлов. Подробней »
Вы также можете внести новые задачи самостоятельно. Подробней »
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Problems are sorted by: [prefix] (difficulty)
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