Number Theory Problems
The Cipher In an ancient civilization, shrouded in the mists of time, there existed a group of mathematicians k... |
Secret Meeting The world is terrified by Pandas! After a miraculous chemical explosion, they became smarter; and ev... |
Composite Facts Let's define two functions F and S: F(n) = 1 + n! S(n,m) = Sum of first m non-prime integers which ... |
The Greedy Mathematician Once upon a time, there lived a man called Mahi the mathematician. He was banned from his kingdom be... |
Mr Makor And His Friends Mr Makor has a set S of n integers. He calls a sequence of length k special if every element of the ... |
Joker's GCD Test Joker has a sequence P of n integers. Each two elements in the sequence are pairwise distinct. He de... |
Divisible LCM You have a sequence a1, a2, a3, …, an of n integers and q queries. In each query, you are given ... |
Yet Another Hello World The greatest company, Pied Piper, is developing encryption systems. The company has already built Md... |
Lucky Shirt Marjokes is a very famous comedy personality in Byteland. He is a poet, a writer, a singer and an ac... |
Christmas Tree Professor Rio has an amazing Christmas tree. Unlike other trees, this Christmas tree has some specia... |
Complex Tashreef Tashreef finally received the Zuinness Journal of Galactic records recognition for being the most co... |
Omae Wa Mou Shindeiru Itachi and Sasuke are trying to beat Kabuto, the caster of an awesome magical spell (or you can say ... |
Game Show Alex is participating in a game show. Mr. Phil is the host of the game. Alex is provided with an arr... |
Functions of the Hell's Kitchen The District Attorney(DA) of Hell’s Kitchen has been defined following functions. GCD(n,m): Returns ... |
Poltu and Trailing Zero Poltu gives a problem to his friend Boltu. The description is given below: You are given an integer ... |
Beauty of AP Solving problems is fun in competitive programming, right? So let’s solve a fun task today too :P. 1... |
Hange and Her Gear Hange has developed a special gear to attack the Cart Titan. The gear is a round, disc-like object. ... |
Poltu and Digit Product You are given two integer L and R. You have to find the summation of digit product of all number fro... |
Do you have Arithmophobia ? Don’t worry! If you are a programmer, you might not have arithmophobia!! But Era has a weird phobia ... |
Choice Is Yours For not participating on contests regularly, Hasnaine (read Has9) has decided to kill Santo. But nob... |
No Onion, No Cry -Onions make us cry, don't they? They can make us happy too. -How? -Read the statement carefully! I... |
Birthday Gift for SJ Today is your best friend SJ’s birthday. You want to buy a birthday present for her. You want to buy... |
Kotlin Heroes The International Collegiate Programming Contest is an algorithmic programming contest for college s... |
NAC-SAC Game! (Hard. Well, Not Really. 😛) Remember the game played by Akash and Guru on the NAC-SAC bridge? (For those cannot remember, Akash ... |
Paltu, a Prime Lover Note that the memory limit is unusual. Paltu is a good programmer and he loves prime numbers. One da... |
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
