Math Problems
How Many Pairs of LCM? A Common Multiple of two integers a and b is an integer X, such that both a and b divides X. A numbe... |
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... |
Kitchen Decorate Shira has now decided to decorate her kitchen of height H and width W more precisely, she wants to t... |
Bad Cook Mr. Meme has recently moved to a foreign country named "Gloryland" for study purpose. There, he has ... |
Sofdor Ali's Restaurant One of Sofdor Ali’s greatest accomplishment was his Biriyani restaurant! Unlike the traditional rest... |
Is Bita Happy? Bita has learned bitwise-operations recently. She is doing some experiments with these operations no... |
The Greedy Mathematician Once upon a time, there lived a man called Mahi the mathematician. He was banned from his kingdom be... |
Irregular Is Tough, Regular Is Easy! Dr. Bari is working on some chemical formation. He believes that chemicals and shapes that are regul... |
I Am Good 2.0 I am trying to become a good guy, giving contestants as little pain as possible. So, this problem is... |
This Is Too Hard ☹ Many many years ago there was a small country. And all the people there were very weird. They liked ... |
The Easiest Problem Tareq Abrar is a lazy programmer. He has a friend named Aminvai, who is famous for his amazing skill... |
How Many Kids Are in the Circle? A group of kids are standing in a circle and playing catch the ball. For fair play, they always main... |
Playing With Aladdin Aladdin is a fictional character and the titular protagonist of Walt Disney Pictures' 31st animated ... |
Bad Neighbors 2 As some of you already know, Nocu City has a history of having bad neighbors. These bad ones, take a... |
Sum of GCD and LCM The greatest common divisor (GCD) of two integers, is the largest integer that divides both of the i... |
The Story of Two Friends There are two friends F1 and F2 in a city. They both are student of FCB High School. Also, they resi... |
Solve This Giveaway Problem First This problem is straightforward and easy. You will be given two integers N, P and a list L of positi... |
Beauty of AP Solving problems is fun in competitive programming, right? So let’s solve a fun task today too :P. 1... |
Sofdor Ali and Radioactivity Sofdor Ali is the craziest and clumsiest scientist in Bangladesh. He tries to maintain the safety me... |
Perfect Points Perfect lines are the lines y=mx+c such that m and c are positive integers. Perfect points are the p... |
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 ... |
M-Sequence A sequence is called M-sequence if after removing zero or more elements from the sequence the GCD of... |
Game of Palindromes In a popular computer game, Game of Palindromes also known as GOP there is a city called Palindesh. ... |
Dilu's Library Dilu is a young boy who loves mathematics. He recently learned how to code. He was interested in sol... |
Delete the Array There is an array of size n. You will be given an integer x. In each move you have to subtract x or ... |
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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
