Data Structure Problems
Matching BracketsYou will be given a sequence of opening and closing brackets of ... |
Count the ChaosImagine, you have an array of integers of size N. At each index ... |
CrayonsFive friends A, B, C, D and E has come to a shop to buy crayons ...
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Easy Prime!There are N numbers in an array. You will have Q queries. In eac...
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Dengue Affected AreasDengue, the talk of the town of Dhaka this year. So many people ...
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City of AtlantisHave you ever heard of The Atlantis City? It’s a Greek mythologi...
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Another Query on StringYou are given a string S (of length n) consisting of alphabets o...
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Rio and InversionOne day Rio was returning home from his university and unfortuna...
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Subarray SumYou are given an array having N integers. You have to select at ...
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Byang and War TacticsByang is learning about War Tactics from Raat, a famous martial ...
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Sofdor Ali and Bracket SequenceSofdor Ali has invented a new game. He asked his assistant Jong ... |
Data StructureThe operations that are performed in a data structure can be cat...
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Smallest SubarrayYou are given an array A of N integers A1, A2, A3, …, AN . If we...
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Array SimulationYou are given an array of N elements. Initially all the indices ...
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Device IDA device ID is a distinct number associated with a smartphone or... |
Primary Key“Clarity-Lon” is the new awesome e-commerce based startup that w...
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Special PairMr. X is an “array pagla” person. He loves doing different types...
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Village Fair 2There are N houses in a village far away from here. They are num... |
Maintain the Queue“Ajob Desh” is a strange country. Anyone who wants to buy train ...
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Subset of SequencesYou will be given a set of sequences. Each sequence is a list of...
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Perseus and The New ChallengeThe life of princess Andromeda, the daughter of King Cepheus and...
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Mario and Princess PeachThe world of Mario can be imagined as 2D grid of N rows and M co...
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Final Days of GoldfingerWe see agent Bond once again being called in time of a great nee...
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Smart Query HandlerBit operators perform bit-wise operations between two binary num... |
Earthquake!Most houses are not as safe as they could be. Earthquake enginee...
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Expandable ListViewMinas is working on his new language. He want to add a feature c...
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New Year CoupleThe new year 2017 is here. To celebrate the 31st night, Mr Rio h... |
Another Update-Query ProblemYou will be given an array A of length N and you will have to pe...
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Cut the RopeFahim is a rope seller. He has a special tool for cutting ropes....
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Battle of EndorAfter myriad battles and death of million rebel soldiers, it is ...
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Tree QueriesYou are given a tree of n vertices. Each vertex contains an inte... |
uDebugBinary Search Tree
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Fenwick Tree
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Linear Data Structure
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Merge Sort Tree
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Palindromic Tree
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Prefix Tree
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Segment Tree
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Wavelet Tree
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