Editorial for Another Contest 8 Problem 1 - Trash Push

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If $N$ ~N~ is divisible by $K$ ~K~, the answer is $\frac{N}{K}$ ~\frac{N}{K}~, otherwise, it is $\left\lfloor \frac{N}{K} \right\rfloor + 1$ . This is equal to $\left\lceil \frac{N}{K} \right\rceil$ ~\left\lceil \frac{N}{K} \right\rceil~.

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