DataStructure Problems
Distinctness A substring of string S is another string S' which occurs in string S. For example: S = aaba and one... |
Crayons Five friends A, B, C, D and E has come to a shop to buy crayons for their art project. They need cra... |
Dengue Affected Areas Dengue, the talk of the town of Dhaka this year. So many people suffered from dengue fever and a num... |
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... |
Maintain the Queue “Ajob Desh” is a strange country. Anyone who wants to buy train tickets need to go to the railway st... |
Yet Another Xinversion The problem statement is simple. You are given a rooted tree (1 is the root) and every node has a co... |
Making Football Teams There are N football teams and each team has a positive number of players. You are given Q queries. ... |
Phi Numbers in Range! In number theory, Euler’s phi function, denoted as ϕ(n), is an arithmetic function which counts the ... |
MEXFN This is a straightforward problem without much story behind the problem. You have to calculate MEXF... |
Hamming Distance Hamming distance between two binary strings of equal length is the number of mismatches between ever... |
Rio and Inversion One day Rio was returning home from his university and unfortunately lost his phone on the way. He a... |
StackLang StackLang is a stack-based programming language. Here, each program contains a series of commands th... |
Poltu and Graph Poltu has got a graph with N nodes and M edges. Every edge has a weight. There can be multiple edges... |
Another Update-Query Problem You will be given an array A of length N and you will have to perform Q operations on that array. Th... |
Memes vs. Social Media In this era of modern technology social media is the most powerful weapon and the viral issue is the... |
City of Atlantis Have you ever heard of The Atlantis City? It’s a Greek mythological city. Its existence doesn’t matt... |
Final Days of Goldfinger We see agent Bond once again being called in time of a great need. The vile criminal Auric Goldfinge... |
Naughty Subsequence - V2.0 Mahib loves ‘Naughty Subsequence’-s. He will give you an array of characters ara[0,1,...,n-1] that c... |
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 ... |
Laser Light A 2D grid consists of a lot of special lights bulbs, which turns on upon the incidence of a laser li... |
Device ID A device ID is a distinct number associated with a smartphone or similar handheld device. Every smar... |
Sofdor Ali and Bracket Sequence Sofdor Ali has invented a new game. He asked his assistant Jong Bahadur ( who happens to be a monkey... |
Byang and War Tactics Byang is learning about War Tactics from Raat, a famous martial arts master, who has successfully tr... |
Smallest Subarray You are given an array A of N integers A1, A2, A3, ..., AN . If we select two indices (1 ≤ i ≤ j ≤ N... |
Subset of Sequences You will be given a set of sequences. Each sequence is a list of numbers. Two sequences are K-simila... |
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
