Chef and Close Friends

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Chef lives at position $x$ on the $x$ - axis. Chef has $2y$ friends, each living at every integer point in the range: [$x$ − $y$, $x$ + $y$] except the position $x$ itself. Chef wants to visit his friends, but his mother has placed a strict rule: Chef is allowed to travel at most $z$ units away from his home in either direction. This means Chef can only move within the interval [$x$ − $z$, $x$

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solution.cppC++17

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