Prefix Tree Problems
The Punishment of Hasinur Hasinur studies at X School & College situated in Chittagong. AA Sir is one of the toughest and roug... |
MaxXOR You are given an array A of n integers (A1, A2, ..., An) and some queries. In each query, you wil... |
Jontrona of Liakot Liakot, the king of Cox's Bazar, is currently in a dire situation. His own younger sister Ayesha is ... |
New Year Couple The new year 2017 is here. To celebrate the 31st night, Mr Rio has thrown a big party at his house. ... |
Undo History Robin is using a peculiar text editor to write a sequence of lines of text. The editor consists of t... |
Yet Another XOR Problem Given a rooted tree with N nodes where each node has a value, find a pair of nodes (u, v) so that u ... |
Another String Query Problem This time I'm going to introduce you to a new land, called String Land. In String Land there are N ... |
Yet another Real Life Problem Akash is one of the finest programmers of AUST. His closest senior Shuvro asked him if he can solve ... |
Spam Me Not Your team has been tasked to build a section of a web app where users can choose whether and how the... |
Fabby and Her Wedding Dress You all remember Fabby, the princess of Byteland. People of Byteland are waiting for the biggest cel... |
Yet Another XOR Tree Problem You are given a tree with N nodes. A non-negative weight is assigned to each edge of the tree. Let’s... |
Subtree MEX You will be given a balanced binary tree of N nodes. Each of the nodes of the tree will contain a no... |
XOR Is Fun Efa hates numbers. But she loves the XOR operation. This time, you have to solve another problem for... |
Order of Digits You will be given a list L consisting of N non-negative integers in a decimal number system. We all ... |
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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
