FenwickTree Problems
Count the ChaosImagine, you have an array of integers of size NNN. At each index of this array is a unique integer ...
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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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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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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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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 ente...
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Going Round in CirclesYou are given an array of non-negative integers of length nnn. You have to perform two types of oper...
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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...
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GCD and SumCongratulations! You’ve been hired in “Buggy Softwares Ltd.” And you’ve been already given your firs...
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Tags
2Sat, Adhoc, ApolloneasTheorem, Backtracking, BFS, Bignum, BinarySearch, BipartiteMatching, Bitmask, BruteForce, ChineseRemainderTheorem, Combinatorics, ConvexHull, CutVertex, DataStructure, DFS, DigitDP, DisjointSets, DivideAndConquer, DP, Eertree, EulerTour, ExpectedValue, FenwickTree, FFT, Flow, Game, GCD, Geometry, Graph, Greedy, Hashing, HeavyLightDecomposition, Implementation, InclusionExclusion, Interactive, KnuthMorrisPratt, LowestCommonAncestor, Math, Matrix, MatrixExponentiation, MergeSortTree, ModularExponentiation, MOSAlgorithm, MST, NTT, NumberTheory, Parsing, PersistentLiChaoTree, PersistentSegmentTree, PollardRho, PriorityQueue, Probability, Queue, RabinMiller, RangeOrderStatistics, Scheduling, SegmentTree, ShortestPath, Simulation, Sorting, SparseTable, SpragueGrundyTheorem, SqrtDecomposition, Stack, String, StronglyConnectedComponents, SuffixStructure, TernarySearch, Tree, Trie, TwoPointer, WaveletTree
