Television Channels

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You have a television which had $X$ working channels numbered $1, 2, ..., X$. Unfortunately, due to a recent change, all **even**-numbered channels stopped working. For example if $X = 5$, channels numbered $2$ and $4$ have stopped working, while channels numbered $1$, $3$ and $5$ are still working. Given $X$, can you tell how many channels are still working? ### Input - The first and only li

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solution.cppC++17

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