We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
  1. Prepare
  2. Algorithms
  3. Strings
  4. String Construction
  5. Discussions

String Construction

  • vuhuutuan0
     + 0 comments

    My answer with Typescript,

    function stringConstruction(s: string): number {
    // count number of unique character in [s]
    return new Set(s.split('')).size
}