Question 4
Calculate $C=\dfrac{\frac1{2018}+\frac1{2017}+\cdots+\frac12}{\frac{2017}{1}+\frac{2016}{2}+\cdots+\frac1{2017}}$. Enter an exact fraction.

Enter a number or exact fraction only.
Editorial note: calculate the fraction exactly as printed here. The source solution swaps its numerator and denominator; that discrepancy is explained after answering.

Enter a number or exact fraction only.
Editorial note: calculate the fraction exactly as printed here. The source solution swaps its numerator and denominator; that discrepancy is explained after answering.