Problems
Dominoes Forever Once when I was little, my father took me to a tobacco shop! It is surprising, but true. He asked th... |
Arithmetic Sequence (Easy) Arithmetic Sequence is a sequence of numbers where the difference between two consecutive numbers ar... |
Pythagoras Rocks A Pythagorean triple consists of three positive integers a, b, and c, such that a2+b2=c2. The Pythag... |
Attacking Drones Bytelandian air force has designed a new weapon system. It is similar to a drone but instead of shoo... |
Don't Show Power Peter loves numbers. But he does not like powers of the numbers. Like he loves 2 but does not like 4... 
Moderate
5/6/8 |
Building the Wall Building walls around a country has become a popular modern day trend. The emperor of Promiseland of... |
Counting is Difficult 2 East West University Computer Programming Club (EWUCoPC) is arranging an Intra-University Programmin... |
XOR and the Array Given an array of N integers, you need to find out the minimum number of integers that must be added... |
Fitness Freak Mr. Hoy Rodgeson is the coach of Pinkland Soccer Team (People whisper him being crazy). According to...
Easy
12/18/42 |
Easy Summation Little Arya is growing up fast and now she can count the numbers. The problem with her counting is t... |
Haunting of Herobrine Herobrine's horror stories are known by many, but only a few dares to speak that name out loud, for ... |
Diagonal Sum Given an N×N size matrix, you have to re-arrange the elements of the matrix in such a way that the d... |
Kinderbijslag Kinderbijslag (children's allowance) is a social security payment which is distributed to the parent... |
Final Days of Goldfinger We see agent Bond once again being called in time of a great need. The vile criminal Auric Goldfinge... |
Gold Mines The city of gridland is a grid with n rows and m columns. The city can be divided into n*m cells. A ... |
Different Standings The 2016 Olympic Games is over, but in a planet far away from earth, there is a similar competition ...
Moderate
5/5/14 |
Mario and Princess Peach The world of Mario can be imagined as 2D grid of $N$ rows and $M$ columns--containing a total of $N ... |
A Boring Game Alice and Bob are playing a game with a tree with n nodes. Alice always plays first, and the two pla... |
Oh Functions Let’s define functions f and g as: f(x) = 2 * ( f(x-1) + g(x-1) - 1 ) * ( f(x-1) + g(x-1) - 3 ) + 12... |
Perseus and The New Challenge The life of princess Andromeda, the daughter of King Cepheus and Queen Cassiopeia of Ados, is in dan... |
The Wall A long time ago in a galaxy far, far away, there lived two groups of people named Stormtroopers and ... |
War in the Wizarding World There is a deadly war going on between two countries (Bitland and Byteland) in the wizarding world. ... |
The Hater of Powers It is the year 4016 and BUET is organizing yet another inter university programming contest. Contest... |
Smart Feature Phone 2 Alice worked in CIA. Right now he need to send an encrypted message to the headquarter(HQ) of CIA. ... |
Koch Snowflakes The Koch snowflake can be constructed by starting with an equilateral triangle, then recursively alt... |
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
