Combinatorics Problems
Counting Murgis Ever since that wicked thief took away some of her murgis (hens, that is), Meena was ever anxious th... |
Little T2 and Dead Cats The planet earth has become peaceful again because all the cats are dead. An evil robot named Xorged... |
Easy Peasy Subset Sum Little Oishee loves to watch TV. But her mother, who is a math teacher, doesn't like this at all. Sh... |
K-th DuoPalindrome Alice likes playing with Palindromes (strings that read the same backward as forward, such as 'madam... |
Geometry Forever Fear no more, this is a problem of geometry! When Moyna was little, he had a math teacher named Shuk... |
XOR Master Imam has been participating in online programming contests for years. His goal is to become a "Maste... |
Harry Potter and the Vault of Gringotts "There was a break-in of Gringotts Wizarding Bank on 1 May, 1998, during the height of the Second Wi... |
The Game Is Back On Moriarty is bored again. When he gets bored, the only thing he wants to do is play with Sherlock. So... |
Trivial Summation The problem statement is so small. Give you four integers r, a, b, d. Find the summation of all numb... |
Secret Meeting The world is terrified by Pandas! After a miraculous chemical explosion, they became smarter; and ev... |
Counting is Difficult 2 East West University Computer Programming Club (EWUCoPC) is arranging an Intra-University Programmin... |
Subset of Sequences You will be given a set of sequences. Each sequence is a list of numbers. Two sequences are K-simila... |
Bad Neighbors 2 As some of you already know, Nocu City has a history of having bad neighbors. These bad ones, take a... |
How Many Paths? You are at the top left corner [position (1,1)] of a R×C grid. Your destination is bottom right corn... |
Meera and Solo Chocolates Meera bought candies from the store. She is now going to distribute those among her N friends. She m... |
Bad Neighbors In the strange neighborhood of Nocu, a lot of people lives pretty happily, or so they think. Like mo... |
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... |
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... |
Obligatory IDPC Problem There are n people busy with arranging the upcoming Inter Department Programming Contest (IDPC) 2016... |
Third Dimension Mr. J wants to learn about combinatorics. He started reading a book on combinatorics and came across... |
String Play Milo has a string S of length L. Tutu picks a random prefix and Mota picks a random suffix of S. Now... |
Magician's Offer! Rosi Vidmun is a greedy landlord who likes to grab as much land as he can. Currently he has P square... |
Sofdor Ali and Radioactivity Sofdor Ali is the craziest and clumsiest scientist in Bangladesh. He tries to maintain the safety me... |
Sofdor Ali's Restaurant One of Sofdor Ali’s greatest accomplishment was his Biriyani restaurant! Unlike the traditional rest... |
Pleasant Permutations A sequence of n integers is called a permutation if it contains all integers from 1 to n exactly onc... |
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
