easy · GMAT Quant
A resource manager tracks the integer allocation parity using V(k) = lfloor (k+1)/(2) rfloor - lfloor (k)/(2) rfloor for any integer k.
Which of the following expressions is equivalent to V(k) for all integers k?
- k bmod 2
- 1
- 0
- 1 - (k bmod 2)
- (-1)^k
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