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Answer (Choose 1 answer)
☐ A
Given an array A = {6, 7, 4, 1, 2, 9} and Quick Sort is used to sort the aray A in increasing order.
What is the sequence after the first phase, the pivot is 4?
A. 674129
B. 214769
C. 124769
D. 124679
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FUQ.sh
sh the exam.