Math Problems
Unique Relief Thanos has now figured out how to visit all the houses in the flood-affected area. However, now he h... |
Weird Subtraction You are given two integers n and m. You have to subtract m from n until n becomes less than or equal... |
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 ... |
Bad Cook Mr. Meme has recently moved to a foreign country named "Gloryland" for study purpose. There, he has ... |
Mushrur Injured in Singara Blast Mashrur Hossain, a programmer, came to Bot-toli from GEC yesterday to attend an event organized by t... |
Shine on You Crazy Diamond This problem is authored by one of our late friends, Sifat, who unexpectedly left us last year. He w... |
Justify the Invention ! You probably heard of Professor Meiokoyi, a talented scientist. Recently she invented a new solution... |
Welcome to Criterion Rounds The team congratulates you for participating in this contest and for being part of the journey towar... |
Most Difficult Problem Ever You are given a function like below: long long F(int A, int B, int C, long long x) { long long res =... |
Kitchen Decorate Shira has now decided to decorate her kitchen of height H and width W more precisely, she wants to t... |
Switches Technology is going ahead very fast. How can we know what will we get in future? One day you met a g... |
Hidden Graph There is an unweighted, undirected hidden graph. You are given an integer range from L to R. There a... |
Compute the Combination Let P = C(N,0) - C(N,1) + C(N,2) - C(N,3) + ... + C(N,N); where C(n,r) is "n choose r". You are give... |
Help Chokro Pias and Chokro are good friends. Pias's birthday is coming soon. So, Chokro wants to gift Pias an a... |
Scholarship Your school is going to start a new scholarship program. To apply for this scholarship you have to w... |
Combination Lock Imagine a Combination Lock - If you set the numbers to a preset combination (passcode), the lock wi... |
Dinner With Aminvai Aminvai is a famous programmer of the world. He has a lot of fans & followers. Unfortunately, he has... |
Arya and OR Little Arya loves to play with numbers. She likes to play in different ways with them. One day she s... |
NAC-SAC Game! (Easy) Akash and Guru are playing an interesting game. They are standing at the two ends of the NAC-SAC bri... |
Divisible by 3 You will be given a string containing digits. You have to say the number of sub strings whose sum is... |
Power and Mod Exponentiation is a mathematical operation, written as b n , involving two numbers, the base b and t... |
Mystery of Fibonacci Fibonacci sequence is a recursive sequence that depends on the following definition: Fib(N) = Fib(N-... |
United State of Koanhali Koanhali is a strange country. The govt. of Koanhali maintain the marriages of this country. If you ... |
Modulo Let's get straight into the problem. In ths problem, here will be multiple test cases. In each test ... |
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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
