Problem Brief
Max Number of Operations
OA
Given a string s, choose 3 consecutive characters s[i], s[i+1], s[i+2]. Replace s[i+2] with s[i] if s[i]=s[i+1] and s[i+1]≠s[i+2]. Find the maximum number of operations that can be performed on s.
1Example 1
Input
s = "accept"
Output
3
Explanation
:3
2Example 2
Input
s = "aabaab"
Output
2
Explanation
:o
3Example 3
Input
s = "aabba"
Output
4
Explanation
:)