easy · GMAT Quant
An online scheduling system computes the off-peak hour buffer B(k) = lceil (k)/(2) rceil + lfloor (k)/(2) rfloor - k for any integer k.
What is the value of B(k) for all integers k?
- 0
- 1
- k bmod 2
- (-1)^k
- lfloor (k)/(2) rfloor
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