Graph Problems

Sammy and Meera liked adventures a lot. Once in a while they use...

There are N houses in a village far away from here. They are num...

Mr. Kaboom has recently learned about maximum flow. Now his frie...

December 14, 1975 Hogwarts School of Witchcraft and Wizardry I...

Sofdor Ali loves Computer Science. He prefers hexadecimal number...

Regular problem solvers starts their journey by solving ad hoc a...

Shin wants to be the “Great General of the Heaven”. It is his dr...

So after successfully becoming many people’s nightmare, XOR has ...

Kingdom CODE is the most peaceful place in the universe. King NO...

Rio has become the president of Twinland. Now he wants to develo...

About two hundred years ago, a serious dispute evoked between th...

Balurmath is a city which has N interesting tourist spots, which...

In your free time, you like to design various electrical circuit...

In Ajobdesh, there are multiple cities and one of them is consid...

There is a deadly war going on between two countries (Bitland an...

Alice and Bob are playing a game with a tree with n nodes. Alice...

The city of gridland is a grid with n rows and m columns. The ci...

Professor Rio has an amazing Christmas tree. Unlike other trees,...

Dr. Sheldon Cooper is working on a project that works on the 2D ...

After Max and Alexis’s initial plan to conquer the world with ki...