An Array A[ ] of N Elements Is Being Sorted

question 4

Multiple Choice

An array a[ ] of N elements is being sorted using the insertion sort algorithm.The algorithm is at the last stage,with the segment of the array in positions 0 through N-2 already sorted.How many array elements will a[N-1] have to be compared to,before it can be placed into its proper position?

• A) Just one
• B) Could be any number of elements between 1 and N-1 (inclusive.
• C) Could be any number of elements between 1 and N (inclusive.
• D) N-1

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