Data Structure Problems
Matching Brackets You will be given a sequence of opening and closing brackets of different types ((, ), [, ], {, and ... |
Neat Brackets Given a sequence of opening and closing parentheses ("(" and ")") you will have to determine if it i... |
Set Union Given two sets of integers, print the set containing the union of the two input sets. For example, g... |
Taju Kage Bunshin No Jutsu Naruto Uzumaki is one of the strongest ninja of RUET (Rasengan University of Ebisu and Tobi), posses... |
Easy Prime! There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ... |
Hamming Distance Hamming distance between two binary strings of equal length is the number of mismatches between ever... |
Naughty Subsequence - V2.0 Mahib loves ‘Naughty Subsequence’-s. He will give you an array of characters ara[0,1,...,n-1] that c... |
Exists or Not Exists You will be given some numbers. Then there will contain some queries. In every query there will be g... |
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... |
Data Structure The operations that are performed in a data structure can be categorized into two types: query and u... |
Sofdor Ali and Bracket Sequence Sofdor Ali has invented a new game. He asked his assistant Jong Bahadur ( who happens to be a monkey... |
Modulo Let's get straight into the problem. In ths problem, here will be multiple test cases. In each test ... |
Rio and Inversion One day Rio was returning home from his university and unfortunately lost his phone on the way. He a... |
Straightforward No gossip. In this problem I will just say what to do. Initially, you will be given a bracket sequen... |
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... |
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 ... |
Count the Chaos Imagine, you have an array of integers of size N. At each index of this array is a unique integer fr... |
Another Query on String You are given a string S (of length n) consisting of alphabets only. You need to perform m queries o... |
Subset of Sequences You will be given a set of sequences. Each sequence is a list of numbers. Two sequences are K-simila... |
Phi Numbers in Range! In number theory, Euler’s phi function, denoted as ϕ(n), is an arithmetic function which counts the ... |
Subarray Sum You are given an array having N integers. You have to select at most K positions in the array and re... |
Special Pair Mr. X is an “array pagla” person. He loves doing different types of things with arrays. Today Mr. X ... |
Video Game Pro Shefin is playing a video game. In this game, there will be $N$ buildings in a row. $i^{th}$ buildin... |
Dengue Affected Areas Dengue, the talk of the town of Dhaka this year. So many people suffered from dengue fever and a num... |
Earthquake! Most houses are not as safe as they could be. Earthquake engineering is an interdisciplinary branch ... |
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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
