Arko and Special Permutations Arko is very fond of permutations. He can easily calculate the number of n length permutations. (In ... |
Bad Cook Mr. Meme has recently moved to a foreign country named "Gloryland" for study purpose. There, he has ... |
Bad Neighbors In the strange neighborhood of Nocu, a lot of people lives pretty happily, or so they think. Like mo... |
Bad Neighbors 2 As some of you already know, Nocu City has a history of having bad neighbors. These bad ones, take a... |
Bi-Element Subsequence You are participating in a game show. In the final round, the host pulls up a large sequence of posi... |
Building Boundaries Maarja wants to buy a rectangular piece of land and then construct three buildings on that land. The... |
Challenge From Mr. Professor One Day Mr. Professor was taking His schedule class on Discrete Mathematics. In this lecture, He was... |
Chance of Passing the Quiz Rocky is starting his online quizzes and he has been provided with some passing criteria. The rule o... |
Circle of Death Abir is a school going boy, who loves math. Also, he loves to play with stones. Recently he invented... |
Color The Graph You are given an acyclic, bidirectional graph with N nodes and M edges. The nodes are numbered from ... |
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... |
Cook a Dish Have you ever cooked something? No? Not a problem! Whenever you try to cook something, you need some... |
Counting is Difficult 2 East West University Computer Programming Club (EWUCoPC) is arranging an Intra-University Programmin... |
Counting Matrices Given a natural number N and a prime p, let’s define a special set Zp={0,1,2,…,p−1}. Now count the ... |
Counting Murgis Ever since that wicked thief took away some of her murgis (hens, that is), Meena was ever anxious th... |
Counting Subsets Mr. Meseeks has just turned evil and is on his way to destroy the universe. To stop him Rick and Mor... |
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... |
Expected Values From Bubble Sort Bubble sort is a sorting algorithm that can sort an array of numbers in increasing order. In each of... |
Game of Gnomes The enemy and their massive army is approaching your fortress, and all you have to defend it is a le... |
Game of Palindromes In a popular computer game, Game of Palindromes also known as GOP there is a city called Palindesh. ... |
Game Show Alex is participating in a game show. Mr. Phil is the host of the game. Alex is provided with an arr... |
GCD, Divisor, Count! I like short statements and you should too so here's the statement without further ado You are give... |
Geometry Forever Fear no more, this is a problem of geometry! When Moyna was little, he had a math teacher named Shuk... |
Hange and Her Gear Hange has developed a special gear to attack the Cart Titan. The gear is a round, disc-like object. ... |
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... |