Remove Consecutive Duplicates From String Problem Statement

Given a string STR consisting of both lower and upper case characters, your task is to remove consecutive duplicate characters from the string and return the new string.

Input:

The first and only line of input contains the string 'STR' without any spaces.

Output:

Return the final string after removing all consecutive duplicates.

Example:

Input: "aaaAAbbcccbd"
Output: "aAbcbd"

Constraints:

  • 1 <= |S| <= 105
Note:
You don't have to print anything. Just implement and return the final string.
AnswerBot
1y

The task is to remove consecutive duplicate characters from a given string and return the new string.

  • Iterate through the characters of the string

  • Compare each character with the next character

  • If they a...read more

Help your peers!
Select
Add answer anonymously...
Software Developer Interview Questions
Stay ahead in your career. Get AmbitionBox app
play-icon
play-icon
qr-code
Trusted by over 1.5 Crore job seekers to find their right fit company
80 L+

Reviews

10L+

Interviews

4 Cr+

Salaries

1.5 Cr+

Users

Contribute to help millions

Made with ❤️ in India. Trademarks belong to their respective owners. All rights reserved © 2025 Info Edge (India) Ltd.

Follow Us
  • Youtube
  • Instagram
  • LinkedIn
  • Facebook
  • Twitter
Profile Image
Hello, Guest
AmbitionBox Employee Choice Awards 2025
Winners announced!
awards-icon
Contribute to help millions!
Write a review
Write a review
Share interview
Share interview
Contribute salary
Contribute salary
Add office photos
Add office photos
Add office benefits
Add office benefits