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Question
Suppose we are sorting an array of eight integers using quick sort, and we have just finished the first partitioning with the array looking like this:2 5 1 7 9 12 11 10Identify the correct statement?
Options:
A .  Neither the 7 nor the 9 is the pivot.
B .  The pivot could be either the 7 or the 9.
C .  The pivot is not the 7, but it could be the 9.
D .  The pivot could be the 7, but it is not the 9.
Answer: Option B

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