Binary Battles

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$N$ teams have come to participate in a competitive coding event called “Binary Battles”. It is a [single-elimination tournament](https://en.wikipedia.org/wiki/Single-elimination_tournament) consisting of several rounds. **Note:** It is known that $N$ is a power of $2$. In one round, each team will be paired up with and compete against one of the other teams. If there are $X$ teams before the st

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solution.cppC++17

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