Race in DomKi
There is a kingdom called DomKi. DomKi has N city and N-1 two-way road. Each city is numbered with 1...
Mr. Hikiko and a Strange Game (Hard)
Mr. Hikiko recently downloaded a strange game on his phone from a store. This game is quite interest...
Array Simulation
You are given an array of N elements. Initially all the indices have a value of 0. You have to do fo...
Kingdom of Equality
There is a kingdom called DomKi. There are N cities and N – 1 bidirectional roads in DomKi. The citi...
Powerful Array
You are given an array A of N integers . Now you have to process Q queries in this array. Each query...
Donate Our Department
We are students of CSE, IU. It is very well known that our departmental instruments are not so good....
Big Tang Theory
Shell Don (Shelly in short) is a theoretical physicist who is claimed to be highly intelligent with ...
Protik and Hill Climbing
Who doesn't want to save a mother? Like everyone,  Protik was finding a way to earn some money (he h...
Perseus and The New Challenge
The life of princess Andromeda, the daughter of King Cepheus and Queen Cassiopeia of Ados, is in dan...
Productive Employees
Congratulations on becoming the new boss of "Horizontal Company, branch: Sylhet"! But now you have a...
Rational Monkey
There lived a wise monkey in the forest of Amazon. One day he started searching the jungle for banan...
Buckets of Water
In Abby's area the water is available in the tap only from 6AM to 8AM. So, Abby thought she would st...
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