Math Problems
Red and Green Suppose, there is an array of N integers. Each index of the array is either red or green. The first ... |
Relatively Prime Given a positive integer N, determine how many of the integers between 1 and N are co-prime with N. ... |
Rivalry Friends Ryo and his girlfriend love to think about challenges. One day his girlfriend gave him a challenge t... |
Roll the Dice You have got a 6 sided dice. In a single roll, it may show any integers from 1 to 6. You are going t... |
Running Average Given $N$ numbers, read each one, calculate the running average and print it. For example, given the... |
Running Average Again Given N numbers, read each one, calculate the running average and print it. For example, given the t... |
Scary Big Chessboard Our friend Alice got stuck in a big chessboard. The chessboard has N rows and N columns. Some cells ... |
Scholarship Your school is going to start a new scholarship program. To apply for this scholarship you have to w... |
Secret Meeting The world is terrified by Pandas! After a miraculous chemical explosion, they became smarter; and ev... |
Sheldon's Obtuse Triangle We all know Sheldon Cooper from The Big Bang Theory. Recently he got his Nobel Prize. He likes polyg... |
Shiku Being Shiku Guni Moira, the honest sweet shop owner of CSEmpur has recently learned about the Fibonacci sequence... |
Shine on You Crazy Diamond This problem is authored by one of our late friends, Sifat, who unexpectedly left us last year. He w... |
Sofdor Ali and Histogram The Great Sofdor Ali is now interested in competitive programming. Seeing this, his friend and also ... |
Sofdor Ali and Radioactivity Sofdor Ali is the craziest and clumsiest scientist in Bangladesh. He tries to maintain the safety me... |
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 ... |
Sofdor Ali's Restaurant One of Sofdor Ali’s greatest accomplishment was his Biriyani restaurant! Unlike the traditional rest... |
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... |
Spot It! Have you played the game Spot it!? Though there are many ways to play this game, the basic rule is t... |
Squared Given the length of a side of a square, calculate and print its area. |
Squares Inside Square Hello , Programmers. There is one thing that I don't like about competitive problem solving, which i... |
String Factory Welcome to the string factory where strings are generated in a peculiar manner. You are given a stri... |
String in a Grid 2 Prof. Bari loves to play with string. He is also very skilled in drawing. One day he was drawing a g... |
String Play Milo has a string S of length L. Tutu picks a random prefix and Mota picks a random suffix of S. Now... |
Subset of Sequences You will be given a set of sequences. Each sequence is a list of numbers. Two sequences are K-simila... |
SUM Equals LCM Given N, print a sequence of N positive integers A1,A2,…,AN that satisfy the following conditions... |
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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
