Editorial for WC '18 Contest 3 J1 - An Honest Day's Work

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With P litres of paint and each badge requiring B litres of it, James will produce \lfloor \frac P B \rfloor badges. There will be P - \lfloor \frac P B \rfloor \times B litres of paint left over, which is equivalent to P \bmod B (the remainder when P is divided by B, written as the % operator in most programming languages). Therefore, the number of Pokédollars made will be \lfloor \frac P B \rfloor \times D + (P \bmod B).


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