The Archipelago of Mirpur

The archipelago of Mirpur consists of N islands. The famous arch...

Wakanda Forever

We all know that Thanos has erased half of the population of the...

Flow on Tree

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

Kingdom - Great Roads of Destiny

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

Act of Random Kindness (Hard)

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

Flyover in Twinland

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

C++ Vector Simulation

Array is an important data structure in computer science. It is ...

404 Setter Not Found! 😲

Given a 2D 4-connected grid. Each cell contains a value and an i...