Sofdor Ali and Bracket Sequence Sofdor Ali has invented a new game. He asked his assistant Jong Bahadur ( who happens to be a monkey... |

Smallest Subarray You are given an array A of N integers A1, A2, A3, ..., AN . If we select two indices (1 ≤ i ≤ j ≤ N... |

Distinctness A substring of string S is another string S' which occurs in string S. For example: S = aaba and one... |

How Hasinur Met His Girlfriends Hasinur’s love interest is always curious about different strings and their properties. He wants to ... |

Unique Substrings Query You will be given a string s of length n. Consider substring s[i,n] (where i is the starting positio... |

Simple As a Substring! Many years have passed after Simba's death. The jungle has a new lion cub born just a few hours ago.... |

The Story of Stringland The king of Stringland is employing an elite force of undercover agents to protect the kingdom from ... |

Substring Search You are given n strings s1,s2,s3,…,sn and should process m queries. Each query is described by f... |

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