A.
Hit the Dance Floor Given the decimal representation of a positive real number x, print ⌊x⌋. The decimal representation ... |

B.
TomJerry After decades of hard work, finally, Tom catches Jerry. However, Tom wants to give Jerry one last op... |

C.
Even Rectangles Vaas likes the rectangles where every sides of the rectangle has even length. Such rectangles are ca... |

D.
Bad Sum Yennefer has been given a list of integers to find the sum. She will only sum the numbers whose posi... |

E.
Sous-Chaîne You are given a string S of length N and a lowercase letter C. Find how many positions i (1<i<N) exi... |

F.
Cold War The countries OneLand, TwoLand and ThreeLand are preparing for a war! You are a spy of ThreeLand and... |

G.
Breaking Toys The prince of Distinct-Land has an array of n integers that he plays with everyday. He loves seeing ... |

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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