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Question

Suppose we want to arrange the n numbers stored in an array such that all negative value before all positive ones, minimum number of exchanges required in the worst case

a.

n-1

b.

n

c.

n+1

d.

n(n+1)/2

Answer: (d).n(n+1)/2

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Q. Suppose we want to arrange the n numbers stored in an array such that all negative value before all positive ones, minimum number of exchanges required in the worst case

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