NumberTheory Problems
Secret Meeting The world is terrified by Pandas! After a miraculous chemical explosion, they became smarter; and ev... |
Chowdhury Saheb & the Numbers You like short description of problems? Me too! Let's go to an easy problem. You are given an array ... |
Love Letters! Lately Fahim is getting a lot of love letters. A LOT of love letters. Since he is confused about whi... |
Oh Functions Let’s define functions f and g as: f(x) = 2 * ( f(x-1) + g(x-1) - 1 ) * ( f(x-1) + g(x-1) - 3 ) + 12... |
Equation Equals Hazards You are given the equation, GCD(A,M)=1. You have to determine whether there exists at least one inte... |
I Did Not Do the Assignment Professor Petr is very angry over some of his students now-a-days for not doing assignment. He wants... |
Zacob the Batsman It's known that Zacob is a reliable batsman of LU CSE Cricket Team. Also as long as he is on the cre... |
Largest Prime A positive integer number n is called a prime number, if it is only divisible by 1 and n itself, whe... |
Laali Vs Bessie One day Raju discovered USACO and from that day he would spend all his time solving problems. Laali ... |
Sofdor Ali and the Puzzle of Weights Sofdor Ali is one of the most famous scientists of Bangladesh. He is also well known for his puzzle ... |
Meena O Dosto Sele Dosto sele Dipu and his friends used to disturb Rita Apu everyday on her way to school singing , " র... |
Correct the Sieve Sieve of Eratosthenes is a fast algorithm for finding prime numbers in larger ranges. According to W... |
Fast Co-Prime Two numbers A and B are called co-prime if the only common positive factor of the two numbers is 1. ... |
Trick or Trees One day, Raju was out roaming in the woods,when he suddenly stumbled upon a large garden. There were... |
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... |
Find the primes? For a positive integer n, let’s define a function f: f(n) = sum of positive integers less than n whi... |
Kitorp and His Love Kitorp loves his wife Asiar(who is a problem solver as well) but he loves math more. To get his atte... |
Christmas Tree Professor Rio has an amazing Christmas tree. Unlike other trees, this Christmas tree has some specia... |
Meera and Solo Chocolates Meera bought candies from the store. She is now going to distribute those among her N friends. She m... |
Prime Range Prime Numbers are such numbers which are only divided by 1 and the number itself. 2, 3, 5, 7, 11, 13... |
For Loop FTW You are given an integer N which can be represnted as the product of two positive integers. $ N = a_... |
Easy Prime! There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ... |
Magician's Offer! Rosi Vidmun is a greedy landlord who likes to grab as much land as he can. Currently he has P square... |
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... |
Is It a Perfect Square? Given some numbers, can you tell, if the product of these numbers are a perfect square or not? A num... |
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
