CAKE_GLIDE

You are given a String $S$ of length $N$. You can perform $K$ operations on the String. In each operation, you can swap the $i$th character with the $(i+1)$th character. A subtring in S is considered precious if it starts at an index $i$ such that - the size of the substring is atleast $M$ - the substring consists only of 1's - No other String can be formed satisfying the above two conditions wher