Problems
Towers of Doom Alice and Bob are famous for inventing weird games. They just invented a new game called Towers of D... |
Playing On A Directed Graph You are given a directed graph consisting of n vertices and m edges (each edge is directed, so it ca... |
Snake Game If you had played the Snake game in old Nokia phones then you had an awesome childhood because all t... |
Tiles Creator In the world of tiles, there is a famous tiles maker who takes order for making tiles. The specialty... |
Byang and Kochuripana Trouble Byang is the chief software engineer at Toad Incorporated. His grandmother is planning to give him a... |
Data Structure The operations that are performed in a data structure can be categorized into two types: query and u... |
Biswa the Digital Gutibaj Being a digital gutibaj, Biswa is virtually busy with all his evil stuff all the time. As he is a di... |
Consistent Hashing In modern software development, hashing is an important concept. It involves generating unique integ... |
How Cow! There is a cow in a village. She eats as much grass as she wants. Fortunately there is a large field... |
Sequence Query You are given N integer numbers (A1,A2,A3…AN). You will also be given some query. Each query wil... |
Ant-Man And The Polygon Ant-Man before escaping from the quantum realm thought about roaming around the realm. And much to h... |
Prisoners Let me tell you a story of a dangerous prison. There were N prisoners in that prison. It is guarante... |
HAKA-LAKA King Alice and Bob are participating for this year’s HAKA-LAKA contest. Both of them qualified for the fi... |
Civil War The fight for the best superhero (superman vs batman) in the universal is going to finally come to a... 
Moderate
23/37/69 |
Picking Up Chicks A flock of chickens is running east along a straight, narrow road. Each one is running with its own ... |
Yet Another Query Problem! You are given an array $A$ of length $n$ consisting of integers between $1$ and $10^6$. You need to ... |
The Selection SUST has n departments numbered from 1 to n where every pair of distinct departments is connected by... |
Kitorp and His Love Kitorp loves his wife Asiar(who is a problem solver as well) but he loves math more. To get his atte... |
Static Tree You are given a tree containing N vertices. The vertices are numbered from 1 to N. A tree with N ver... |
MaxXOR You are given an array A of n integers (A1, A2, ..., An) and some queries. In each query, you wil... |
Number Crafting Game is one type of competency, and when it befalls by any number its really astonish. Rifat is very... |
Help Optimus! In an alternate reality, due to a prolonged battle between Autobots and Decepticons, planet Cybertro... |
Dynamic Tree You are given a tree containing N vertices. The vertices are numbered from 1 to N. A tree with N ver... |
Make Strings Great Again! Do you know what is a sub-sequence? A sub-sequence is a sequence that can be derived from another se... |
Groby In the 1970-80s, students in the Soviet Union had to face quite a hurdle. The administrators of sele... |
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
