Remove Consecutive Duplicates Problem Statement

For a given string str, remove all the consecutive duplicate characters.

Example:

Input:

Input String: "aaaa"

Output:

Expected Output: "a"

Input:

Input String: "aabbbcc"

Output:

Expected Output: "abc"

Constraints:

• 0 <= N <= 10^6
• Where N is the length of the input string.
• Time Limit: 1 second

Note:

You are not required to print anything. It has already been taken care of.