Any website for IOI style virtual contests?

Revision en1, by tweety, 2015-08-18 16:26:02

I need a website on which I can upload problems with their test data, and make virtual contests. The problems are in IOI's style (they have subtasks). I tried googling but I couldn't find anything. Do you know of any such website?

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en1 English tweety 2015-08-18 16:26:02 273 Initial revision (published)