Question

Which of these expressions will make the rightmost set bit zero in an input integer x?

a.

x = x | (x-1)

b.

x = x & (x-1)

c.

x = x | (x+1)

d.

x = x & (x+1)

Posted under Object Oriented Programming Using C++

Answer: (b).x = x & (x-1)

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Q. Which of these expressions will make the rightmost set bit zero in an input integer x?

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