Math Problems
The Matrix In the metaphysical world of the Matrix, different people make their chessboards with their own spec... |
Diagonal Traversal You are given an n×m grid. You can go from point (x1,y1) to any point (x2,y2) of grid if and onl... |
Walk on the Grid There is a grid of size $R\times C$ where $R = $ Number of rows and $C = $ Number of columns. You sh... |
Vox Populi Asfia's daughter just turned 5. She is looking for a school to get her admitted. Like every other pa... |
United State of Koanhali Koanhali is a strange country. The govt. of Koanhali maintain the marriages of this country. If you ... |
Justify the Invention ! You probably heard of Professor Meiokoyi, a talented scientist. Recently she invented a new solution... |
Permutations and Divisors Let P be a permutation of length n where each value from 1 to n occurs exactly once. A subsequence o... |
Perplexity of Permutations A permutation of N integers from 1 to N is an array where each number has appeared exactly once in t... |
Khataraina is Back! Last year we helped Adnan with his girlfriend Khataraina’s issue. This year she caused another troub... |
First Snow One day Tomato woke up late in the morning and realized that she had a long list of todos. Frantical... |
Wheel Graph Today we will learn about a special type of graph called Wheel Graph. In the mathematical discipline... |
Opera & B2G1 “Don’t practice until you get it right. Practice until you can’t get it wrong” Bangladesh is the ho... |
Wizard Duel Wizard Duel is approaching soon in Hogwarts and the students of the Dueling Club are absolutely thri... |
Learning New Algorithms Every Day Shak is a new programmer and he knows nothing about algorithms. He has made a plan and decided to le... |
N Factorial! I like short descriptions and I think you so too. Let's say you have a number, N. Now try to find th... |
Combination Lock Imagine a Combination Lock - If you set the numbers to a preset combination (passcode), the lock wi... |
Divisible by 3 You will be given a string containing digits. You have to say the number of sub strings whose sum is... |
Demonic Subset Lets not waste your time with long tiring problem statement and just go straight to the point. You a... |
Gutibaji on Chessboard Let there be a chessboard of size N×M, and only one bishop in a cell (x,y). How many cells can the b... |
Bad Boy Ekhlas Ekhlas is a bad boy, not the type of bad that you generally admire. When he was little, his primary ... |
Palindromic CSEmpur Welcome to CSEmpur once again! It has been observed that a good number of inhabitants like palindrom... |
Erik: The Candyboy - 1 Erik has N candies, and he wants to distribute those candies among his friends. But he has more frie... |
Pera in CSEmpur Who does not like a short and precise problem statement? Atleast everyone in CSEmpur does. You are g... |
Fibonacci Between Given two numbers L and R, you must print all the Fibonacci numbers between L and R (inclusive). Alt... |
Red and Green Suppose, there is an array of N integers. Each index of the array is either red or green. The first ... |
Tags
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
