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Remove All Adjacent Duplicates in String II

Sumit Rawal answered on September 10, 2023 Popularity 7/10 Helpfulness 1/10

answer Remove All Adjacent Duplicates in String II

related Remove All Adjacent Duplicates In String

Remove All Adjacent Duplicates in String II

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import scala.collection.mutable.Stack

object RemoveAdjacentDuplicatesII {
  def removeDuplicates(s: String, k: Int): String = {
    val stack = Stack[(Char, Int)]()
    
    for (char <- s) {
      if (stack.isEmpty || stack.top._1 != char) {
        stack.push((char, 1))
      } else {
        val (topChar, count) = stack.pop()
        if (count + 1 < k) {
          stack.push((topChar, count + 1))
        }
      }
    }
    
    stack.flatMap { case (char, count) => List.fill(count)(char) }.mkString
  }

  def main(args: Array[String]): Unit = {
    val input = "deeedbbcccbdaa"
    val k = 3
    val result = removeDuplicates(input, k)
    println(s"String after removing adjacent duplicates ($k times): $result")
  }
}

Popularity 7/10 Helpfulness 1/10 Language scala

Source: chat.openai.com

Tags: scala string

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Contributed on Sep 10 2023

Sumit Rawal

0 Answers Avg Quality 2/10

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Remove All Adjacent Duplicates In String

Comment

import scala.collection.mutable.Stack

object RemoveAdjacentDuplicates {
  def removeDuplicates(s: String): String = {
    val stack = Stack[Char]()
    
    for (char <- s) {
      if (stack.isEmpty || stack.top != char) {
        stack.push(char)
      } else {
        stack.pop()
      }
    }
    
    stack.mkString
  }

  def main(args: Array[String]): Unit = {
    val input = "abbaca"
    val result = removeDuplicates(input)
    println(s"String after removing adjacent duplicates: $result")
  }
}

Popularity 8/10 Helpfulness 1/10 Language scala

Source: chat.openai.com

Tags: scala string strin

Link to this answer
Share Copy Link

Contributed on Sep 10 2023

Sumit Rawal

0 Answers Avg Quality 2/10

Remove All Adjacent Duplicates in String II

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