Remove All Adjacent Duplicates In String
Explore the technique of removing adjacent duplicate characters from strings by using stacks. Understand the problem constraints and develop a clear, step-by-step approach to solving such string challenges efficiently.
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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:
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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:
import java.util.*;public class Main{public static String removeDuplicates(String s) {// Replace this placeholder return statement with your codereturn "";}}