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Remove Consecutive Characters - InterviewBit Solution

Problem Description

Given a string A and integer B, remove all consecutive same characters that have length exactly B.

Problem Constraints

1 <= |A| <= 100000

1 <= B <= |A|

Input Format

First Argument is string A.

Second argument is integer B.

Output Format

Return a string after doing the removals.

Example Input

Input 1:

A = "aabcd"

B = 2

Input 2:

A = "aabbccd"

B = 2

Example Output

Output 1:


Output 2:


Example Explanation

Explanation 1:

 "aa" had length 2.

Explanation 2:

 "aa", "bb" and "cc" had length of 2.

Solution Approach:

Before appending character to the string count the consecutive occurrence before it.


Code in CPP:

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