If f:{1,2,3,……} rarr{0,+-1,+-2,+-3,……..}...

If `f:{1,2,3,……} rarr{0,+-1,+-2,+-3,……..}`defined by `f(x)={(n//2 ,"if n is even"),((-(n-1)/2),"if n is odd):}` then f(-100) is

A

199

B

201

C

200

D

198

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The correct Answer is:

B

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