City of BurgerlandHave you ever heard of The Burgerland City? The city is full of burger shops. You will surely find s...

Easy Prime!There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ...

Matching BracketsYou will be given a sequence of opening and closing brackets of different types ((, ), [, ], {, and ...

Set UnionGiven two sets of integers, print the set containing the union of the two input sets. For example, g...

Another Query on StringYou are given a string S (of length n) consisting of alphabets only. You need to perform m queries o...

Count the ChaosImagine, you have an array of integers of size N. At each index of this array is a unique integer fr...

Find the Good SequenceLet’s say two numbers are called “good” if their difference is at least 2. Similarly, a sequence is ...

Easy Peasy, Lemon SqueezyLet’s consider an array A which is initially empty. We’ll perform two types of operation on that arr...

A Super Easy Problem  "Array Query"Let’s get into the problem directly without much description this time :D . You are given an array A...

Not As Hard As It SeemsSakib and Shamim are good friends. As Sakib is a little naughty, every night before exam he disturbs...

Police StationsRecently the government of country S is going to construct some police stations(possibly zero) in so...

Byang and War TacticsByang is learning about War Tactics from Raat, a famous martial arts master, who has successfully tr...

CrayonsFive friends A, B, C, D and E has come to a shop to buy crayons for their art project. They need cra...

Hide and SeekYou know how to play hideandseek, right? In a group of kids, one of them is selected to be the see...

Sofdor Ali and Bracket SequenceSofdor Ali has invented a new game. He asked his assistant Jong Bahadur ( who happens to be a monkey...

Ajob Commute IIOnce again we return to Ajobshohor, the capital city and the heart of Ajobdesh. Ajobshohor’s road sy...

Do You Know Tree ?“Stay at least one metre distance from others.” Corona has affected the World as well as Bangladesh....

Data StructureThe operations that are performed in a data structure can be categorized into two types: query and u...

Rivalry FriendsRyo and his girlfriend love to think about challenges. One day his girlfriend gave him a challenge t...

Color The GraphYou are given an acyclic, bidirectional graph with N nodes and M edges. The nodes are numbered from ...
