Easy Prime!There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ...
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Another Query on StringYou are given a string S (of length n) consisting of alphabets only. You need to perform m queries o...
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Count the ChaosImagine, you have an array of integers of size N. At each index of this array is a unique integer fr...
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Tree QueriesYou are given a tree of n vertices. Each vertex contains an integer. Vertex 1 is the root of the tre...
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CrayonsFive friends A, B, C, D and E has come to a shop to buy crayons for their art project. They need cra...
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Ajob Commute IIOnce again we return to Ajobshohor, the capital city and the heart of Ajobdesh. Ajobshohor’s road sy...
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Rivalry FriendsRyo and his girlfriend love to think about challenges. One day his girlfriend gave him a challenge t...
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MSIS!Do you know what MSIS is? MSIS is the abbreviation for Maximum Sum Increasing Subsequence. It is a s...
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StraightforwardNo gossip. In this problem I will just say what to do. Initially, you will be given a bracket sequen...
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Bored??“Avoid touching your face, particularly your eyes, nose or mouth to prevent the virus from entering ...
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