Problems from Criterion 2020 Round 3

These problems are from a contest organized by Furqan Software on . See details...

Standings

A. Monk in the Jungle

The Great Monk Maruf is planning to visit the jungle of Amazon. He loves to prepare himself rigorous...

B. The Exceptional Artist

Irtiza is an extraordinary sketch artist. His obsession with perfection drives him to make every pix...

C. Yet Another XOR Problem

Given a rooted tree with N nodes where each node has a value, find a pair of nodes (u, v) so that u ...

D. I Am Good 2.0

I am trying to become a good guy, giving contestants as little pain as possible. So, this problem is...

E. A Perfect Binary Tree

A perfect binary tree is a binary tree in which all interior nodes have two children and all leaves ...

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