Chef and War Tanks

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Chef is the King of Chef Town. Chef is preparing for a war. Since he is using war tanks, he wants to know all the possible ways he can arrange tanks in a row. Let total length of a row be $N$. Let each tank take one unit, and because of its big size he cannot arrange two tanks consecutively there must be a gap of $1$ unit at least. For example if $N=3$ then possible arrangements ('$*$' shows t

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solution.cppC++17

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