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

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

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

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

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

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

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