Data Structure Problems
Taju Kage Bunshin No Jutsu Naruto Uzumaki is one of the strongest ninja of RUET (Rasengan University of Ebisu and Tobi), posses... |
Jenga Tower Maybe you all are familiar with Jenga Game. "Jenga is played with 54 wooden blocks. Each block is th... |
Not As Hard As It Seems Sakib and Shamim are good friends. As Sakib is a little naughty, every night before exam he disturbs... |
Social Distancing The country of KhoaNali is structured as a giant road with N buildings on both sides, the northern b... |
Easy Peasy, Lemon Squeezy Let's consider an array A which is initially empty. We'll perform two types of operation on that arr... |
Distinct Dishting You are given an array of N integers. Then there will be Q commands of the following type: Change ... |
Counting Friends Johnny uses a social network called Supernova. Unlike the other social networks, Supernova does not ... |
MSIS! Do you know what MSIS is? MSIS is the abbreviation for Maximum Sum Increasing Subsequence. It is a s... |
City of Burgerland Have you ever heard of The Burgerland City? The city is full of burger shops. You will surely find s... |
Tree Queries You are given a tree of n vertices. Each vertex contains an integer. Vertex 1 is the root of the tre... |
Data Structure The operations that are performed in a data structure can be categorized into two types: query and u... |
MEXimum Let’s get straight to the point. You are given a tree. In the tree, each node u has a number au ass... |
Cut the Rope Fahim is a rope seller. He has a special tool for cutting ropes. But recently this tool is behaving ... |
United State of Koanhali Koanhali is a strange country. The govt. of Koanhali maintain the marriages of this country. If you ... |
Modulo Let's get straight into the problem. In ths problem, here will be multiple test cases. In each test ... |
Subarray Sum You are given an array having N integers. You have to select at most K positions in the array and re... |
ICPC World Final ICPC (International Collegiate Programming Contest) World final is one of the most prestigious conte... |
Exists or Not Exists You will be given some numbers. Then there will contain some queries. In every query there will be g... |
Mad Engineer Aksir Can you imagine? Mad Engineer Aksir finally got the job. His job is to set up toggle switch for a se... |
Hablu's Team This year Hablu wants to participate in ICPC. He studies in “Habagoba University” along with $n$ oth... |
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... |
Rivalry Friends Ryo and his girlfriend love to think about challenges. One day his girlfriend gave him a challenge t... |
Find the Good Sequence Let's say two numbers are called "good" if their difference is at least 2. Similarly, a sequence is ... |
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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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
