Math Problems
Cocoa Coalition Alice and Bob decide to share a chocolate bar, which is an $n$ by $m$ rectangular grid of chocolate ... |
Easy Summation Little Arya is growing up fast and now she can count the numbers. The problem with her counting is t... |
Hasinur's Mission! Let me tell you something about Hasinur: He is a religious person. He prays 5 times a day. He loves... |
Counting Murgis Ever since that wicked thief took away some of her murgis (hens, that is), Meena was ever anxious th... |
Expected Values From Bubble Sort Bubble sort is a sorting algorithm that can sort an array of numbers in increasing order. In each of... |
Dengue Once upon a time there was a king. He had a huge kingdom and the king was very kind. All of his subj... |
Mushrur Injured in Singara Blast Mashrur Hossain, a programmer, came to Bot-toli from GEC yesterday to attend an event organized by t... |
Arithmetic Sequence (Hard) Arithmetic Sequence is a sequence of numbers where the difference between two consecutive numbers ar... |
Erik: The Candyboy - 1 Erik has N candies, and he wants to distribute those candies among his friends. But he has more frie... |
Obligatory IDPC Problem There are n people busy with arranging the upcoming Inter Department Programming Contest (IDPC) 2016... |
Divisible by 3 You will be given a string containing digits. You have to say the number of sub strings whose sum is... |
Game of Gnomes The enemy and their massive army is approaching your fortress, and all you have to defend it is a le... |
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... |
Chief Thief A group of thieves steal only money. Every morning they deposit the money to their leader. The leade... |
Game, Game Everywhere Binary and Ternary are playing a game. In this game, they initially choose an array with N elements.... |
NAC-SAC Game! (Hard. Well, Not Really. 😛) Remember the game played by Akash and Guru on the NAC-SAC bridge? (For those cannot remember, Akash ... |
XOR Master Imam has been participating in online programming contests for years. His goal is to become a "Maste... |
Who Gets the Money!? Who doesn’t get happy after getting money in the pockets of clothes before washing them? During this... |
Scholarship Your school is going to start a new scholarship program. To apply for this scholarship you have to w... |
Elementary Arithmetic - 2 Long ago, after learning how to add two numbers, Shakib came to know about multiplication. Multiplic... |
Bad Neighbors In the strange neighborhood of Nocu, a lot of people lives pretty happily, or so they think. Like mo... |
Level Up You are playing a game that has 16 levels. You start with level 1 and after gaining a certain amount... |
Bi-Element Subsequence You are participating in a game show. In the final round, the host pulls up a large sequence of posi... |
Spot It! Have you played the game Spot it!? Though there are many ways to play this game, the basic rule is t... |
The Matrix In the metaphysical world of the Matrix, different people make their chessboards with their own spec... |
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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
