Math Problems
An Arithmetic Problem A sequence is an arithmetic sequence if every two successive number has same difference. Suppose thi... |
Pleasant Permutations A sequence of n integers is called a permutation if it contains all integers from 1 to n exactly onc... |
Kitchen Combinatorics The world-renowned Swedish Chef is planning a gourmet three-course dinner for some muppets: a starte... |
Mr Max Count Sum Mr Max , Mr Sum and Mr Count are three neighbours. They have a common enemy, an old man living in th... |
Pera in CSEmpur Who does not like a short and precise problem statement? Atleast everyone in CSEmpur does. You are g... |
Joker's GCD Test Joker has a sequence P of n integers. Each two elements in the sequence are pairwise distinct. He de... |
Elementary Arithmetic When Shakib was little, his mother used to help him with his studies. Usually, around 7 PM in the ev... |
Demonic Subset Lets not waste your time with long tiring problem statement and just go straight to the point. You a... |
Palindromic CSEmpur Welcome to CSEmpur once again! It has been observed that a good number of inhabitants like palindrom... |
I Hate Combinatorics! Rick and Morty are being hunted by the galactic government. They ran away to the cell dimension. The... |
Genius Needs Help You all know Emrul bhai, right? He is a genius guy. He knows how to add two integer numbers and so d... |
Shiku Being Shiku Guni Moira, the honest sweet shop owner of CSEmpur has recently learned about the Fibonacci sequence... |
Interplanetary Mission The National Space Center(NSC) is planning an interplanetary mission in a new galaxy far far away fr... |
Earn Your Cupcake A delicious NxN grid is given to you. All the lattice points of this grid contain a cupcake each exc... |
The Reminder to Expect Do you know Trevor Philips? Well he is a mad guy who gets mad at everything. Recently he got mad at ... |
Cook a Dish Have you ever cooked something? No? Not a problem! Whenever you try to cook something, you need some... |
Random Graphs This problem is very easy. There's a graph of $N$ nodes. Each edge $u-v$ ($u >= v ; u = v$ is possib... |
Wheel Graph Today we will learn about a special type of graph called Wheel Graph. In the mathematical discipline... |
Hange and Her Gear Hange has developed a special gear to attack the Cart Titan. The gear is a round, disc-like object. ... |
Expected Oddness Alita found a string of n characters where each character of the string is either '0' or '1'. The Od... |
Roll the Dice You have got a 6 sided dice. In a single roll, it may show any integers from 1 to 6. You are going t... |
Irregular Is Tough, Regular Is Easy! Dr. Bari is working on some chemical formation. He believes that chemicals and shapes that are regul... |
Sheldon's Obtuse Triangle We all know Sheldon Cooper from The Big Bang Theory. Recently he got his Nobel Prize. He likes polyg... |
Permutations and Divisors Let P be a permutation of length n where each value from 1 to n occurs exactly once. A subsequence o... |
Meeting Place There is an N*N grid where (r,c) denotes a cell number where r means row number, c means column numb... |
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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
