Combinatorics Problems
Bad Cook Mr. Meme has recently moved to a foreign country named "Gloryland" for study purpose. There, he has ... |
Cook a Dish Have you ever cooked something? No? Not a problem! Whenever you try to cook something, you need some... |
Perplexity of Permutations A permutation of N integers from 1 to N is an array where each number has appeared exactly once in t... |
Mina and Raju Everyone know about Mina & Raju. They are siblings as well as good friend. The friend-circle of Mina... |
Meera and Solo Chocolates Meera bought candies from the store. She is now going to distribute those among her N friends. She m... |
Level Up You are playing a game that has 16 levels. You start with level 1 and after gaining a certain amount... |
Challenge From Mr. Professor One Day Mr. Professor was taking His schedule class on Discrete Mathematics. In this lecture, He was... |
I Hate Combinatorics! Rick and Morty are being hunted by the galactic government. They ran away to the cell dimension. The... |
Counting is Difficult 2 East West University Computer Programming Club (EWUCoPC) is arranging an Intra-University Programmin... |
Obligatory IDPC Problem There are n people busy with arranging the upcoming Inter Department Programming Contest (IDPC) 2016... |
Hasinur's Mission! Let me tell you something about Hasinur: He is a religious person. He prays 5 times a day. He loves... |
Bi-Element Subsequence You are participating in a game show. In the final round, the host pulls up a large sequence of posi... |
Subset of Sequences You will be given a set of sequences. Each sequence is a list of numbers. Two sequences are K-simila... |
Compute the Combination Let P = C(N,0) - C(N,1) + C(N,2) - C(N,3) + ... + C(N,N); where C(n,r) is "n choose r". You are give... |
Kitchen Combinatorics The world-renowned Swedish Chef is planning a gourmet three-course dinner for some muppets: a starte... |
Chance of Passing the Quiz Rocky is starting his online quizzes and he has been provided with some passing criteria. The rule o... |
Meeting Table Let there be three groups of people waiting to attend a meeting. There are $\textbf N$ people in eac... |
Arko and Special Permutations Arko is very fond of permutations. He can easily calculate the number of n length permutations. (In ... |
Counting Murgis Ever since that wicked thief took away some of her murgis (hens, that is), Meena was ever anxious th... |
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... |
Geometry Forever Fear no more, this is a problem of geometry! When Moyna was little, he had a math teacher named Shuk... |
Circle of Death Abir is a school going boy, who loves math. Also, he loves to play with stones. Recently he invented... |
Mr. Ant and His Problem Mr. Ant has 3 boxes and the infinite number of marbles. Now he wants to know the number of ways he c... |
Meeting Place There is an N*N grid where (r,c) denotes a cell number where r means row number, c means column numb... |
Trivial Summation The problem statement is so small. Give you four integers r, a, b, d. Find the summation of all numb... |
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
