Problems
Datta's Dilemma Datta, the famous sport programmer and gamer emerging from the southern part of Bangladesh is in dil... |
Christmas in Vikendi Once upon a time, there was an ancient city called Vikendi. In the city of Vikendi, there were $N$ s... |
Q/A Loop Mr. X is developing an interactive question answer system. This system has the following features: 1... |
Different Standings The 2016 Olympic Games is over, but in a planet far away from earth, there is a similar competition ... 
Moderate
5/5/14 |
Mind Game There are three friends named kabir, Rahim and Jamal. They all are good at math. One day Kabir and R... |
Picking Up Chicks A flock of chickens is running east along a straight, narrow road. Each one is running with its own ... |
Description is Pathetic Do you know what is the hardest part of creating a problem? Thinking and writing the description. Yo... |
Mighty Thor "Whosoever holds this hammer, if he be worthy, shall possess the power of Thor." This inscription wa...
Moderate
5/6/38 |
Back to Back You will be given an array $A$ of size $N$ and $Q$ queries. The queries will be given in the followi... |
Spam Me Not Your team has been tasked to build a section of a web app where users can choose whether and how the... |
Othello Who doesn’t love board games? During this COVID lockdown, we all are bored at home and need to enter... |
Captain Shoaib : Civil War Captain Shoaib is fighting against the zombies with his army. At some point, he realized that some o... |
Prime Divisor on Tree Path You are given a permutation of P numbers which are 1 to P and a tree with N nodes each node having a... |
Yet Another Xinversion The problem statement is simple. You are given a rooted tree (1 is the root) and every node has a co... |
Interesting Pile Game Turja and Akash are playing an interesting game. Initially a pile of N stones is given to them. Each... |
Escape the Planet Earth As you know earth is affected by corona virus. Situation becomes worse day by day .Almost 80% people... |
Singing Game Rifat and Shishir have decided to play a game. Rifat will sing a song which is a string of lowercase... |
Master Plan Because of Eid-ul-Fitr, there is a BIG OFFER at your nearest super shop. You have decided to go shop... |
Fuchka Fiasco Megalomaniac Lex Luthor has heard about the famous "Fuchka" of AUST canteen. To have first hand expe... |
Mr Makor And His Friends Mr Makor has a set S of n integers. He calls a sequence of length k special if every element of the ... |
Stop and Run ! Have you watched the movie “Forest Gump “ ? There’s a famous quote “Run! Forest, Run!” Belal has rec... |
Tour Department of CSE students of the Ahsanullah University of Science and Technology loves to tour when...
Moderate
45/54/104 |
Cocoa Coalition Alice and Bob decide to share a chocolate bar, which is an $n$ by $m$ rectangular grid of chocolate ... |
Game on Mars In the year 2020, Alice and Bob will land on Mars just to play a game that will be broadcasted live ... |
Preparing for War There were N cities in England. Each contained a warrior with skillset equal to X. All the cities we... |
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
