A. The Hater of PowersIt is the year 4016 and BUET is organizing yet another inter university programming contest. Contest...

B. War in the Wizarding WorldThere is a deadly war going on between two countries (Bitland and Byteland) in the wizarding world. ...

C. The WallA long time ago in a galaxy far, far away, there lived two groups of people named Stormtroopers and ...

D. Perseus and The New ChallengeThe life of princess Andromeda, the daughter of King Cepheus and Queen Cassiopeia of Ados, is in dan...

E. Oh FunctionsLet’s define functions f and g as: f(x) = 2 * ( f(x1) + g(x1)  1 ) * ( f(x1) + g(x1)  3 ) + 12...

F. A Boring GameAlice and Bob are playing a game with a tree with n nodes. Alice always plays first, and the two pla...

G. Mario and Princess PeachThe world of Mario can be imagined as 2D grid of NNN rows and MMM columnscontaining a total of N×M...

H. Different StandingsThe 2016 Olympic Games is over, but in a planet far away from earth, there is a similar competition ...

I. Gold MinesThe city of gridland is a grid with n rows and m columns. The city can be divided into n*m cells. A ...

J. Final Days of GoldfingerWe see agent Bond once again being called in time of a great need. The vile criminal Auric Goldfinge...

K. KinderbijslagKinderbijslag (children's allowance) is a social security payment which is distributed to the parent...

Practice contests allow you to rerun contests and experience them as close as possible to the original run.
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