The Game

There are two teams (Team $A$ and Team $B$) playing a tournament of $N$ matches of football against each other. Some of the matches are already completed and some are yet to be played. You are given a string $S$ of length $N$ representing the results of the $N$ matches for Team $A$. The result of the $i^{th}$ match can be represented by one of the following: - $W-$ Team $A$ won the match. A win ad