Math Problems
Magic Square A little boy Towhid is good at mathematics. He solves a lot of mathematical equation regularly. He i... |
Khataraina is Back! Last year we helped Adnan with his girlfriend Khataraina’s issue. This year she caused another troub... |
Sofdor Ali and Histogram The Great Sofdor Ali is now interested in competitive programming. Seeing this, his friend and also ... |
Playing With Your Mind Given a non-negative integers N. You have to find an integer P such that, the following conditions s... |
Easy Summation Little Arya is growing up fast and now she can count the numbers. The problem with her counting is t... |
Red and Green Suppose, there is an array of N integers. Each index of the array is either red or green. The first ... |
Boltu vs Balti Boltu and Balti are two friends. Boltu is a great programmer whereas Balti is a newbie programmer. B... |
How Many Ways? Regular problem solvers starts their journey by solving ad hoc and number theory. After getting the ... |
Demonic Subset Lets not waste your time with long tiring problem statement and just go straight to the point. You a... |
Calculate the Sum If You Can This problem deals with the following expression: 1−2+1−2+1−2+1−2+1−2+1−2+1−2+... Given n, you have ... |
Boys in the Assembly N boys are standing in the assembly. There is a single line only. Boys are denoted by their roll num... |
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... |
Raem's Square Raem is an eight years old boy. One day his family was visiting Dhaka Shishu Park near Shahbag. Besi... |
Dengue Once upon a time there was a king. He had a huge kingdom and the king was very kind. All of his subj... |
A Girl's Story Meena (Bengali: মীনা) is a fictional character who stars in the South Asian children's television sh... |
Absolute Value You will be given an integer x. The absolute value of x will be within 100. You have to add 1 to x's... |
Chief Thief A group of thieves steal only money. Every morning they deposit the money to their leader. The leade... |
Recursive World! See following the two recursive functions: C(0) = 0 C(1) = 5 C(K) = C(K-1) + 4 F(0) = 1 F(1) = 2 F(N... |
Arithmetic Sequence (Hard) Arithmetic Sequence is a sequence of numbers where the difference between two consecutive numbers ar... |
Circle and Square Meena and Raju are learning about different shapes. Meena's favourite shape is Circle while Raju lik... |
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... |
Meena Meets The Marauders December 14, 1975 Hogwarts School of Witchcraft and Wizardry It’s been a long long day. The Marauder... |
Squares Inside Square Hello , Programmers. There is one thing that I don't like about competitive problem solving, which i... |
Largest Prime A positive integer number n is called a prime number, if it is only divisible by 1 and n itself, whe... |
How Many Litchis? Tasnim comes to visit Dinajpur which is very famous for litchi production. Today, she comes to a lit... |
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
