Bad Luck

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Chef has failed miserably in several cooking competitions, which makes him think that he's been out of luck recently. Therefore, he decided to build a magic circle using his $N$ chopsticks (numbered $1$ through $N$), hoping that it would somehow improve his luck. The magic circle consists of $N$ chopsticks placed on an infinite straight line (so it's not actually a circle). The line is drawn on t

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solution.cppC++17

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