Insertion Sort Worst Case Slideshow

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We first examine the worst case cost.

static <T extends Comparable<T>> void inssort(T[] A) {
for (int i=1; i<A.length; i++) // Insert i'th record
for (int j=i; (j>0) && (A[j].compareTo(A[j-1]) < 0); j--)
swap(A, j, j-1);
}

60
51
42
33
24
15

$i=1$

$i=2$

$i=3$

$i=4$

$i=5$

$n - 1$

$n - 1$

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