Math Problems
Scholarship Your school is going to start a new scholarship program. To apply for this scholarship you have to w... |
Help Chokro Pias and Chokro are good friends. Pias's birthday is coming soon. So, Chokro wants to gift Pias an 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... |
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... |
Kitchen Decorate Shira has now decided to decorate her kitchen of height H and width W more precisely, she wants to t... |
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 =... |
Welcome to Criterion Rounds The team congratulates you for participating in this contest and for being part of the journey towar... |
Justify the Invention ! You probably heard of Professor Meiokoyi, a talented scientist. Recently she invented a new solution... |
Shine on You Crazy Diamond This problem is authored by one of our late friends, Sifat, who unexpectedly left us last year. He w... |
Mushrur Injured in Singara Blast Mashrur Hossain, a programmer, came to Bot-toli from GEC yesterday to attend an event organized by t... |
Bad Cook Mr. Meme has recently moved to a foreign country named "Gloryland" for study purpose. There, he has ... |
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 ... |
Equation Equals Hazards You are given the equation, GCD(A,M)=1. You have to determine whether there exists at least one inte... |
Weird Subtraction You are given two integers n and m. You have to subtract m from n until n becomes less than or equal... |
Unique Relief Thanos has now figured out how to visit all the houses in the flood-affected area. However, now he h... |
NAC-SAC Game! (Hard. Well, Not Really. š) Remember the game played by Akash and Guru on the NAC-SAC bridge? (For those cannot remember, Akash ... |
Life of Phi II You will be given two integers n and m where GCD(n,m)=1. You have to tell that how many numbers are ... |
Expected Values From Bubble Sort Bubble sort is a sorting algorithm that can sort an array of numbers in increasing order. In each of... |
Permutations and Divisors Let P be a permutation of length n where each value from 1 to n occurs exactly once. A subsequence o... |
Is It A Square? Shikamaru is the most brilliant student of his class. He is very good at Mathematics. Mr. Asuma is t... |
Game of Palindromes In a popular computer game, Game of Palindromes also known as GOP there is a city called Palindesh. ... |
Sum of GCD and LCM The greatest common divisor (GCD) of two integers, is the largest integer that divides both of the i... |
Paltu, a Prime Lover Note that the memory limit is unusual. Paltu is a good programmer and he loves prime numbers. One da... |
GCD Grid You are given two integers N and M. You have to make a grid of NāM size by following these rules: E... |
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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
