abc_fx's blog

By abc_fx, history, 17 months ago, In English

I am trying to solve following tree problem but i am unable to understand a statement "**Select the subtree of the given tree that includes the vertex with number 1**" .What does it mean ?? if we select a subtree by including root node always then only one subtree is possible ?? is not it ?? Any help would be appreciated. https://codeforces.com/contest/274/problem/B

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By abc_fx, history, 18 months ago, In English

Hello I am new to codeforces but as in post it is mentioned that div 3 rounds are rated only for those who has has rating less than 1600 but in last div3(629)round , there are few people who has rating greater than 1600 and their rating is been updated . As an example peter112358. MikeMirzayanov sir please look into matter.

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