sbasrik's blog

By sbasrik, 8 years ago, In English

Anyone has any document or knowledge about performing reverse operation in segment tree by using treap ? There is a problem in Codechef that is required to do it, treap is mentioned but isn't explained in the tuttorial. Link to problem: http://www.codechef.com/problems/PALINDR

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By sbasrik, 8 years ago, In English

What could be the reason of problem that I cant see the CAPTCHA picture when trying to register ?

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By sbasrik, 9 years ago, In English

Hi, As you know practice tasks are published in the last week, if you know solutions can you share some hints, thanks in advance.

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By sbasrik, 9 years ago, In English

is 'feedback system' used at baltic olympiad.. anybody knows ?

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