AcharyaPingala's blog

By AcharyaPingala, history, 3 years ago, In English

Hi,

Background: I am good at Maths but I am weak at Combinatorics, Probability.

Problem: C of Educational Codeforces Round 50

I am unable to understand the combinatorics solution of Editorial. Can somebody help me to understand the solution given in the editorial.

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By AcharyaPingala, history, 4 years ago, In English

UVA Problem

I am unable to understand the problem, Can some help me in this regard?

Problem was long that is why I have attached the link.

Do I need to count the different shapes of the tree?

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