A.
Divide Wisely Chaity and Aditi are very loving sisters. Both are very good at math. One day their father gave them... |

B.
Future Red Coder Hrittika is a very hardworking girl. She wants to become a red coder, that's why she started practic... |

C.
Emotions Feel Like Explosions Zenitsu wants to meet Nezuko but to meet Nezuko he has to go through a dangerous array of n integers... |

D.
Lazy Nobita Nobita and Doraemon are best friends. Doraemon loves palindrome numbers. A palindromic number is a n... |

E.
Mahir's Wedding Gift Today is Mahirâ€™s wedding ceremony. He arranges some big boxes. Every big box contains some small box... |

F.
Mahir's Circle Mahir and Shoikot are two brothers. Since Mahir is weak in Mathematics, Shoikot gives him some probl... |

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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