Not able to clear last test case

#1

I am not able to clear last test case.
link for the code - https://ide.codingblocks.com/s/360394

#2

Hey @great I have checked your code for this input Aaabbbaabbccddeeffgg
In this number of time a is less then to number of time b, have you considered this.
Take this code as reference

#3

I am getting the same output as yours (enclosed code) in this case, which you have mentioned (Aaabbbaabbccddeeffgg)

#4

So my codes gets accepted or not?

#5

Your code gets accepted, but my query is what case am i missing

#6

resolved (missing the case when string length==1)