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  1. Practice
  2. Data Structures
  3. Arrays
  4. Sparse Arrays
  5. Discussions

Sparse Arrays

  • gnomeria + 1 comment

    And here's in kotlin:

    return queries.flatMap { s -> listOf(strings.count { it==s }) }.toTypedArray()

    • kezhevatov + 0 comments

      why flatMap?

      maybe:

      return queries.map { s -> strings.count { it==s } }.toTypedArray()