Getting wrong answer COMPILER

Can anyone help me out:

https://www.codechef.com/viewsolution/18917156

Your code fails here:

3

<<<><<>>>

<<<><>>><<>>><>

<<>>><><><

Your Output:

8

8

4

Actual Output

0

12

4

Click to view

You can solve this in much easier way. Just keep a variable unbalance. If s[i]==‘<’ unbalance+=1 else unbalance-=1. If unbalance becomes equal to 0 at index i, update answer to i+1. Else if unbalance becomes <0 break. Here is my implementation for the same.