Math Problems
Dividing the Gifts Today is a very good day in CSEmpur because Tuktuki has bought N gifts! Tuktuki wants to give these ... |
Divisible by 3 You will be given a string containing digits. You have to say the number of sub strings whose sum is... |
Divisible LCM You have a sequence a1, a2, a3, …, an of n integers and q queries. In each query, you are given ... |
Divisors Read an integer variable and print all of its divisors (including 1 and the number itself). |
Do you have Arithmophobia ? Don’t worry! If you are a programmer, you might not have arithmophobia!! But Era has a weird phobia ... |
Earn Your Cupcake A delicious NxN grid is given to you. All the lattice points of this grid contain a cupcake each exc... |
Easy Factorial? It is time to show your performance on number theory. Why so late? Come to the point. You are given... |
Easy Peasy Subset Sum Little Oishee loves to watch TV. But her mother, who is a math teacher, doesn't like this at all. Sh... |
Easy Prime! There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ... |
Easy Summation Little Arya is growing up fast and now she can count the numbers. The problem with her counting is t... |
Elementary Arithmetic When Shakib was little, his mother used to help him with his studies. Usually, around 7 PM in the ev... |
Elementary Arithmetic - 2 Long ago, after learning how to add two numbers, Shakib came to know about multiplication. Multiplic... |
Equation Equals Hazards You are given the equation, GCD(A,M)=1. You have to determine whether there exists at least one inte... |
Erik: The Candyboy - 1 Erik has N candies, and he wants to distribute those candies among his friends. But he has more frie... |
Expected Oddness Alita found a string of n characters where each character of the string is either '0' or '1'. The Od... |
Expected Result A witch has imprisoned Bob in the 1st room of the Central Witchland Hotel. The hotel is weird. All t... |
Expected Values From Bubble Sort Bubble sort is a sorting algorithm that can sort an array of numbers in increasing order. In each of... |
Explosion There is a house named Larcana. It is a very weird house. There are exactly N rooms in total and bet... |
Exponential Growth You will be given two integers X and N, you have to calculate XN modulo 1000000007. |
Fair Distribution Mr. Forhad has X children. One day, on his way home, he bought Y chocolates for his children. He doe... |
Fast Co-Prime Two numbers A and B are called co-prime if the only common positive factor of the two numbers is 1. ... |
Fibonacci Between Given two numbers L and R, you must print all the Fibonacci numbers between L and R (inclusive). Alt... |
Fibonacci Numbers Given an integer N, print the N-th Fibonacci number. A Fibonacci series is a series of numbers in wh... |
Finding Lines Annabel and Richard like to invent new games and play against each other. One day Annabel has a new ... |
Find the Number of Pearls Today is a very special day. It’s the birthday of only one girlfriend of programmer Shojib. Now, you... |
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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
