Admission Gift

During admission exams in the city of RR (Royal Royal city), the...

An Obvious Interactive Problem

I pick a number. You guess it. You can guess at most 25 times. ...

A New Tough Game

We are introducing a new game in Toph. And, by participating in ...

Bulls, Cows, and Digits

Let’s play a game. This game is a few centuries old. Nonetheles...