Remove All Adjacent Duplicates In String
Explore how to remove all adjacent duplicate letters from a string by repeatedly deleting pairs of duplicates. This lesson teaches you to apply stack data structures to solve problems involving sequential character removal, enhancing your coding interview skills in JavaScript.
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Statement
You are given a string consisting of lowercase English letters. Repeatedly remove adjacent duplicate letters, one pair at a time. Both members of a pair of adjacent duplicate letters need to be removed.
Constraints:
-
string.length stringconsists of lowercase English alphabets.
Examples
Understand the problem
Let’s take a moment to make sure you’ve correctly understood the problem. The quiz below helps you check if you’re solving the correct problem:
Remove All Adjacent Duplicates In String
What will be the output after removing all adjacent duplicates from the string given below?
string = “azxxzy”
azzy
axxy
ay
" "
Figure it out!
We have a game for you to play. Rearrange the logical building blocks to develop a clearer understanding of how to solve this problem.
Try it yourself
Implement your solution in the following coding playground.
export function removeDuplicates(s){// Replace this placeholder return statement with your codereturn ""}