ovis96

Here, $A$ is the center of the circle and $BCD$ is a tangent which intersects with the circle at th...

This is an interactive problem. Like everyone, Nubu the random coder girl, has a secret password. On...

What is a tree? A tree is a bidirectional connected graph with no cycle. In a tree, we can create ...

Clever girl Meena likes to climb trees. One day her brother Raju, after coming back from school, sai...

Meena's father gifted Meena and Raju two trees. Since they may quarrel, these two trees are exactly ...

Mr Makor has a set S of n integers. He calls a sequence of length k special if every element of the ...

Given a tree. Tree is an undirected connected acyclic graph. Wiki You should add exactly one edge t...

Random coder boy Kiny once had a rectangle (2D grid) as quarantine gift. Every random people have so...

An integer sequence $b_1, b_2, \ldots, b_m$ is a pyramid if it satisfies the following conditions: ...

Trina loves mangoes. And she is a valuable member of the famous Mango Eaters Community. This communi...