A.
Jontrona! Isfan vai is on high demand nowadays. You know why, right? However, his best friend is somewhat disa... |

B.
Tricky Racer Talent Bob is a galaxy wide known legend and a racer (in game :P). He always wins races by his trick... |

C.
Geometry Is Fun! Huh!! You are given a circle with center O and radius r. Two chords of the circle, AB and CD , are equal a... |

D.
Love Letter Mr. A has finally found the love of his life. Being a love expert Mr. P has given Mr. A an idea to w... |

E.
Hakuna Matata The Lion King is a famous animation. Mufasa is the king and he has a son Simba. One day Mufasa told... |

F.
Penguins of Madagascar One day the penguins of Madagascar found a string S... Wait... Wait. Actually the setter of the prob... |

G.
BAPG Russell loves solving math problems and also playing online games. Recently, he has started playing ... |

H.
Challenge From Mr. Professor One Day Mr. Professor was taking His schedule class on Discrete Mathematics. In this lecture, He was... |

I.
The Game Is On As we know Mr. Bean is mainly an action movie star. But during this pandemic, he is not able to do a... |

J.
The Game Is Finally On As Mr. Bean was playing a video game in the previous problem, now he is leveled up. At this level, h... |

K.
Trust Me , You Can Solve It ;-) Nafis Shahriar loves to do codeforces programming contests. He is the first candidate master in code... |

L.
Defeat in Final Battle Sifatul Islam is a great fan of Iron man. He is planning to make a suit for iron man. The suit can s... |

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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