Kteleports

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A magician lives in an ancient land. And he has the power to perform teleportation.he visits the land of mortals which has $n$ cities numbered from $1$ to $n$.The magician decides to travel from city to city using his power of teleportation.Unfortunately the magician can only perform $k$ teleports.Also the magician can’t perform teleportation between cities $x$ and $y$ that is he can’t teleport to

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solution.cppC++17

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