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

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

MEXFNThis is a straightforward problem without much story behind the problem. You have to calculate MEXF...

Palindrome Query IYou are given a string of length L. You have Q queries. In each query, you will be asked to either u...

United State of KoanhaliKoanhali is a strange country. The govt. of Koanhali maintain the marriages of this country. If you ...

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

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

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

Distinct DishtingYou are given an array of N integers. Then there will be Q commands of the following type: 1) Change...

Smallest SubarrayYou are given an array A of N integers A1, A2, A3, …, AN . If we select two indices (1 ≤ i ≤ j ≤ N) ...

Array SimulationYou are given an array of N elements. Initially all the indices have a value of 0. You have to do fo...

Device IDA device ID is a distinct number associated with a smartphone or similar handheld device. Every smar...

Primary Key“ClarityLon” is the new awesome ecommerce based startup that went to the top of the chart within f...

Rio and InversionOne day Rio was returning home from his university and unfortunately lost his phone on the way. He a...

Special PairMr. X is an “array pagla” person. He loves doing different types of things with arrays. Today Mr. X ...

Village Fair 2There are N houses in a village far away from here. They are numbered from 1 to N. For this problem ...

Maintain the Queue“Ajob Desh” is a strange country. Anyone who wants to buy train tickets need to go to the railway st...

Subset of SequencesYou will be given a set of sequences. Each sequence is a list of numbers. Two sequences are Ksimila...

Perseus and The New ChallengeThe life of princess Andromeda, the daughter of King Cepheus and Queen Cassiopeia of Ados, is in dan...

Mario and Princess PeachThe world of Mario can be imagined as 2D grid of N rows and M columns–containing a total of N \times...
