Set UnionGiven two sets of integers, print the set containing the union of the two input sets. For example, g...
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Not As Hard As It SeemsSakib and Shamim are good friends. As Sakib is a little naughty, every night before exam he disturbs...
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MEXFNThis is a straightforward problem without much story behind the problem. You have to calculate MEXF...
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Palindrome Query IYou are given a string of length L. You have Q queries. In each query, you will be asked to either u...
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United State of KoanhaliKoanhali is a strange country. The govt. of Koanhali maintain the marriages of this country. If you ...
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Byang and War TacticsByang is learning about War Tactics from Raat, a famous martial arts master, who has successfully tr...
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Sofdor Ali and Bracket SequenceSofdor Ali has invented a new game. He asked his assistant Jong Bahadur ( who happens to be a monkey...
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Data StructureThe operations that are performed in a data structure can be categorized into two types: query and u...
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Distinct DishtingYou are given an array of N integers. Then there will be Q commands of the following type: 1) Change...
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Smallest SubarrayYou are given an array A of N integers A1, A2, A3, …, AN . If we select two indices (1 ≤ i ≤ j ≤ N) ...
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Array SimulationYou are given an array of N elements. Initially all the indices have a value of 0. You have to do fo...
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Device IDA device ID is a distinct number associated with a smartphone or similar handheld device. Every smar...
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Primary Key“Clarity-Lon” is the new awesome e-commerce based startup that went to the top of the chart within f...
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Rio and InversionOne day Rio was returning home from his university and unfortunately lost his phone on the way. He a...
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Special PairMr. X is an “array pagla” person. He loves doing different types of things with arrays. Today Mr. X ...
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Village Fair 2There are N houses in a village far away from here. They are numbered from 1 to N. For this problem ...
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Maintain the Queue“Ajob Desh” is a strange country. Anyone who wants to buy train tickets need to go to the railway st...
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Subset of SequencesYou will be given a set of sequences. Each sequence is a list of numbers. Two sequences are K-simila...
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Perseus and The New ChallengeThe life of princess Andromeda, the daughter of King Cepheus and Queen Cassiopeia of Ados, is in dan...
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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...
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