Data Structure Problems
Productive Employees Congratulations on becoming the new boss of "Horizontal Company, branch: Sylhet"! But now you have a... |
Distinctness A substring of string S is another string S' which occurs in string S. For example: S = aaba and one... |
Going Round in Circles You are given an array of non-negative integers of length n. You have to perform two types of operat... |
United State of Koanhali Koanhali is a strange country. The govt. of Koanhali maintain the marriages of this country. If you ... |
Not As Hard As It Seems Sakib and Shamim are good friends. As Sakib is a little naughty, every night before exam he disturbs... |
XOR Tree You are given a tree with N vertices. A tree is a connected undirected graph without cycles. The tre... |
Cut the Rope Fahim is a rope seller. He has a special tool for cutting ropes. But recently this tool is behaving ... |
Easy Peasy, Lemon Squeezy Let's consider an array A which is initially empty. We'll perform two types of operation on that arr... |
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... |
City of Atlantis Have you ever heard of The Atlantis City? It’s a Greek mythological city. Its existence doesn’t matt... |
Police Stations Recently the government of country S is going to construct some police stations(possibly zero) in so... |
Memes vs. Social Media In this era of modern technology social media is the most powerful weapon and the viral issue is the... |
Maintain the Queue “Ajob Desh” is a strange country. Anyone who wants to buy train tickets need to go to the railway st... |
Poltu and Graph Poltu has got a graph with N nodes and M edges. Every edge has a weight. There can be multiple edges... |
Explosion There is a house named Larcana. It is a very weird house. There are exactly N rooms in total and bet... |
Mad Engineer Aksir Can you imagine? Mad Engineer Aksir finally got the job. His job is to set up toggle switch for a se... |
Find the Good Sequence Let's say two numbers are called "good" if their difference is at least 2. Similarly, a sequence is ... |
Do You Know Tree ? "Stay at least one metre distance from others.” Corona has affected the World as well as Bangladesh.... |
Mr. Hikiko and a Strange Game (Hard) Mr. Hikiko recently downloaded a strange game on his phone from a store. This game is quite interest... |
C++ Vector Simulation Array is an important data structure in computer science. It is also very important when it comes fo... |
MEXimum Let’s get straight to the point. You are given a tree. In the tree, each node u has a number au ass... |
Palindrome Query I You are given a string of length L. You have Q queries. In each query, you will be asked to either u... |
Tree Queries You are given a tree of n vertices. Each vertex contains an integer. Vertex 1 is the root of the tre... |
Earthquake! Most houses are not as safe as they could be. Earthquake engineering is an interdisciplinary branch ... |
Dengue Affected Areas Dengue, the talk of the town of Dhaka this year. So many people suffered from dengue fever and a num... |
Other Categories
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
