The Punishment of Hasinur Hasinur studies at X School & College situated in Chittagong. AA Sir is one of the toughest and roug... |

MaxXOR You are given an array A of n integers (A1, A2, ..., An) and some queries. In each query, you wil... |

New Year Couple The new year 2017 is here. To celebrate the 31st night, Mr Rio has thrown a big party at his house. ... |

Undo History Robin is using a peculiar text editor to write a sequence of lines of text. The editor consists of t... |

Yet Another XOR Problem Given a rooted tree with N nodes where each node has a value, find a pair of nodes (u, v) so that u ... |

Another String Query Problem This time I'm going to introduce you to a new land, called String Land. In String Land there are N ... |

Yet another Real Life Problem Akash is one of the finest programmers of AUST. His closest senior Shuvro asked him if he can solve ... |

Spam Me Not Your team has been tasked to build a section of a web app where users can choose whether and how the... |

Fabby and Her Wedding Dress You all remember Fabby, the princess of Byteland. People of Byteland are waiting for the biggest cel... |

Yet Another XOR Tree Problem You are given a tree with N nodes. A non-negative weight is assigned to each edge of the tree. Let’s... |

Subtree MEX You will be given a balanced binary tree of N nodes. Each of the nodes of the tree will contain a no... |

XOR Is Fun Efa hates numbers. But she loves the XOR operation. This time, you have to solve another problem for... |

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