MEXimum
Let’s get straight to the point. You are given a tree. In the tree, each node u has a number au​ ass...
Taofiq the House Prefect
Tomorrow is a very special day for Taofiq. He is participating in an intra school quiz contest. As h...
Keep Moving
Balurmath is a city which has N interesting tourist spots, which are connected between themselves by...
A Boring Game
Alice and Bob are playing a game with a tree with n nodes. Alice always plays first, and the two pla...
Traveling Policy of Ajobdesh
In Ajobdesh, there are multiple cities and one of them is considered as the capital city. Obviously,...
COVID-19 Outbreak
COVID-19 outbreak in Atlantis is so bad that the government is forced to lock down the whole country...
Plant Trees, Save Life
There are n students in a school. Some of them are friends with each other. You want to make the sch...
Identify the Level
Amin and Belal are two friends. Both have good knowledge about graph and tree in data structure part...
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