NumberTheory Problems
Unique Relief Thanos has now figured out how to visit all the houses in the flood-affected area. However, now he h... |
Equation Equals Hazards You are given the equation, GCD(A,M)=1. You have to determine whether there exists at least one inte... |
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 ... |
Shine on You Crazy Diamond This problem is authored by one of our late friends, Sifat, who unexpectedly left us last year. He w... |
Welcome to Criterion Rounds The team congratulates you for participating in this contest and for being part of the journey towar... |
Kitchen Decorate Shira has now decided to decorate her kitchen of height H and width W more precisely, she wants to t... |
Hidden Graph There is an unweighted, undirected hidden graph. You are given an integer range from L to R. There a... |
Switches Technology is going ahead very fast. How can we know what will we get in future? One day you met a g... |
Help Chokro Pias and Chokro are good friends. Pias's birthday is coming soon. So, Chokro wants to gift Pias an a... |
NAC-SAC Game! (Easy) Akash and Guru are playing an interesting game. They are standing at the two ends of the NAC-SAC bri... |
Mystery of Fibonacci Fibonacci sequence is a recursive sequence that depends on the following definition: Fib(N) = Fib(N-... |
Modulo Let's get straight into the problem. In ths problem, here will be multiple test cases. In each test ... |
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... |
Laali Vs Bessie One day Raju discovered USACO and from that day he would spend all his time solving problems. Laali ... |
LCM Given an integer $L$, you have to find the product of two different integers such that their LCM (Le... |
Fast Co-Prime Two numbers A and B are called co-prime if the only common positive factor of the two numbers is 1. ... |
Arrange the Bricks! You have $N$ bricks two dimensional bricks of the dimension $1 \times 2$. The bricks are rotatable i... |
Prime Factors Given an integer N, can you determine its prime factors? |
Prime Range Prime Numbers are such numbers which are only divided by 1 and the number itself. 2, 3, 5, 7, 11, 13... |
K-Th Root You will be given Q queries. In each query, you will be given two positive integers A and B. You hav... |
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... |
Love Letters! Lately Fahim is getting a lot of love letters. A LOT of love letters. Since he is confused about whi... |
Prime Team There are n players standing in a line. Each of the players is assigned a unique jersey number. You ... |
Ishtiaque and the Rabbit Mr Ishtiaque is in trouble. A few months ago, he bought 2 rabbits. He wanted to have two pet rabbits... |
A Lack of Common Divisors Given a positive integer N, determine how many of the integers between 1 and N are co-prime with N. ... |
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
