Problems
Easy Sequence 2 Let’s define a easy sequence F. Where $ F(1) = 1 $ $ F(2X) = F(X)^2 + 1 $ $ F(2X+1) = F(X) \times F(... |
Frog and Points There are N stones on across the diameter of a perfectly circle shaped pond at equal distance. The 1... |
Orchid Division Quido has a square orchard full of various fruit and nut trees. The trees are planted in regular row... |
Lighthouse Safwan is the new governor of the country Homeland. Homeland is formed with set of N islands having ... |
Recursive Function A common example of recursion goes something like this: long long recur(int x){ if (x==0){ return X0... |
Haunting of Herobrine Herobrine's horror stories are known by many, but only a few dares to speak that name out loud, for ... |
Mag the Mighty Kaidul The winter is about to come. Mag the Mighty Kaidul is waiting for it for days. It is his favorite se... |
Cut the Rope Fahim is a rope seller. He has a special tool for cutting ropes. But recently this tool is behaving ... |
Easy Summation Little Arya is growing up fast and now she can count the numbers. The problem with her counting is t... |
Battle of Endor After myriad battles and death of million rebel soldiers, it is high time to destroy the imperial ar... |
Fibonacci Word Failure Function Sum The following is based on true events: One day Nabila decided that she wants to learn algorithms on ... |
Bad Neighbors In the strange neighborhood of Nocu, a lot of people lives pretty happily, or so they think. Like mo... |
Fitness Freak Mr. Hoy Rodgeson is the coach of Pinkland Soccer Team (People whisper him being crazy). According to... 
Easy
12/18/42 |
Palindromist Prof. Ying Zang has an affinity for symmetric objects. Perhaps that is why she loves palindromes. So... |
XOR and the Array Given an array of N integers, you need to find out the minimum number of integers that must be added... |
Problem Number Nine and Three Quarter Harry is going to start his school at Hogwarts this year. In order to reach Hogwarts, he needs to ca... |
Counting Triplets Given an array of N integers A1, A2, A3, …, AN. Vector has to find the number of Fibonacci Tripl... |
Bad XOR 2 (Hard) So after successfully becoming many people's nightmare, XOR has struck again, this time to haunt you... |
Byang and The Grid Game Byang has invented a game he wants to play with his soulmate Byangette during their spare time. The ... |
Third Dimension Mr. J wants to learn about combinatorics. He started reading a book on combinatorics and came across... |
Meera and Solo Chocolates Meera bought candies from the store. She is now going to distribute those among her N friends. She m... |
Counting is Difficult 2 East West University Computer Programming Club (EWUCoPC) is arranging an Intra-University Programmin... |
Putting Guards Shetu is playing a popular game called "Putting Guards". In this game there are various types of rec... |
Building the Wall Building walls around a country has become a popular modern day trend. The emperor of Promiseland of... |
Circle and Square Meena and Raju are learning about different shapes. Meena's favourite shape is Circle while Raju lik... |
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
