Combinatorics Problems
String Factory Welcome to the string factory where strings are generated in a peculiar manner. You are given a stri... |
Joker's GCD Test Joker has a sequence P of n integers. Each two elements in the sequence are pairwise distinct. He de... |
Game of Palindromes In a popular computer game, Game of Palindromes also known as GOP there is a city called Palindesh. ... |
I Hate Combinatorics! Rick and Morty are being hunted by the galactic government. They ran away to the cell dimension. The... |
Interplanetary Mission The National Space Center(NSC) is planning an interplanetary mission in a new galaxy far far away fr... |
Cook a Dish Have you ever cooked something? No? Not a problem! Whenever you try to cook something, you need some... |
Hange and Her Gear Hange has developed a special gear to attack the Cart Titan. The gear is a round, disc-like object. ... |
Irregular Is Tough, Regular Is Easy! Dr. Bari is working on some chemical formation. He believes that chemicals and shapes that are regul... |
Kitchen Combinatorics The world-renowned Swedish Chef is planning a gourmet three-course dinner for some muppets: a starte... |
Meeting Place There is an N*N grid where (r,c) denotes a cell number where r means row number, c means column numb... |
Bad Cook Mr. Meme has recently moved to a foreign country named "Gloryland" for study purpose. There, he has ... |
String in a Grid 2 Prof. Bari loves to play with string. He is also very skilled in drawing. One day he was drawing a g... |
Mina and Raju Everyone know about Mina & Raju. They are siblings as well as good friend. The friend-circle of Mina... |
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
