Maximize Ones

CodeChefRating 2767Open on judge ↗

You are given a **binary** string $S$, of length $N$. You can perform the following operation on the string: - Select an index $i$ $(1\lt i\lt N)$ and set $S_i = S_{i-1}\oplus S_{i+1}$, where $\oplus$ denotes the [bitwise xor operation](https://en.wikipedia.org/wiki/Bitwise_operation#XOR). Find the string with the **maximum** number of $1$'s you can obtain, after applying this operation several (

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solution.cppC++17

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