Data Structure Problems
Video Game Pro Shefin is playing a video game. In this game, there will be $N$ buildings in a row. $i^{th}$ buildin... |
Subset of Sequences You will be given a set of sequences. Each sequence is a list of numbers. Two sequences are K-simila... |
Special Pair Mr. X is an “array pagla” person. He loves doing different types of things with arrays. Today Mr. X ... |
Subarray Sum You are given an array having N integers. You have to select at most K positions in the array and re... |
Phi Numbers in Range! In number theory, Euler’s phi function, denoted as ϕ(n), is an arithmetic function which counts the ... |
Another Query on String You are given a string S (of length n) consisting of alphabets only. You need to perform m queries o... |
Count the Chaos Imagine, you have an array of integers of size N. At each index of this array is a unique integer fr... |
Mario and Princess Peach The world of Mario can be imagined as 2D grid of $N$ rows and $M$ columns--containing a total of $N ... |
Buckets of Water In Abby's area the water is available in the tap only from 6AM to 8AM. So, Abby thought she would st... |
Straightforward No gossip. In this problem I will just say what to do. Initially, you will be given a bracket sequen... |
Rio and Inversion One day Rio was returning home from his university and unfortunately lost his phone on the way. He a... |
Modulo Let's get straight into the problem. In ths problem, here will be multiple test cases. In each test ... |
Sofdor Ali and Bracket Sequence Sofdor Ali has invented a new game. He asked his assistant Jong Bahadur ( who happens to be a monkey... |
Data Structure The operations that are performed in a data structure can be categorized into two types: query and u... |
Mr Max Count Sum Mr Max , Mr Sum and Mr Count are three neighbours. They have a common enemy, an old man living in th... |
Exists or Not Exists You will be given some numbers. Then there will contain some queries. In every query there will be g... |
Naughty Subsequence - V2.0 Mahib loves ‘Naughty Subsequence’-s. He will give you an array of characters ara[0,1,...,n-1] that c... |
Hamming Distance Hamming distance between two binary strings of equal length is the number of mismatches between ever... |
Easy Prime! There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ... |
Taju Kage Bunshin No Jutsu Naruto Uzumaki is one of the strongest ninja of RUET (Rasengan University of Ebisu and Tobi), posses... |
Set Union Given two sets of integers, print the set containing the union of the two input sets. For example, g... |
Neat Brackets Given a sequence of opening and closing parentheses ("(" and ")") you will have to determine if it i... |
Matching Brackets You will be given a sequence of opening and closing brackets of different types ((, ), [, ], {, and ... |
Rivalry Friends Ryo and his girlfriend love to think about challenges. One day his girlfriend gave him a challenge t... |
Laser Light A 2D grid consists of a lot of special lights bulbs, which turns on upon the incidence of a laser li... |
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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
