A.
The Greatest Show on Earth The FIFA World Cup, often simply called the World Cup, is an international association football comp... |

B.
Negentropy You are given an array A of N integers. You have to count the number of negative numbers in array A.... |

C.
Class Representative “Parag” and “Ruhan” have just enrolled in CSE110. Since they have been selected as class representat... |

D.
An Oddd Reaction The problem setter of this problem got the idea of making this problem from a Facebook meme. Yes ri... |

E.
QuickBus Service (Easy Version) Welcome to LuluLand University! You are about to develop a transportation management system for the ... |

F.
Yet Another Sorting Algorithm Given the description of a sorting technique, our job is to find out the minimum number of moves req... |

G.
Straightforward Problem Given positive integer k and M, output 2kk!(2k)!modM. |

H.
Tile the Wall Problem Statement In this problem, you are given a rectangular wall of size (a∗b). You have to tile ... |

I.
Out of the Universe Somewhere in the universe, the Biannual Regional Alien Competition is taking place. There are N alie... |

J.
Factorization - 1 You are given m integers p1,…,pm. Furthermore, you are also given a positive integer x. You have t... |

Practice contests allow you to re-run 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

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