What algorithm does the following pseudocode perform? Declare Integer index Declare Integer scan Declare Integer unsortedValue For

What algorithm does the following pseudocode perform?

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Declare Integer index Declare Integer scan Declare Integer unsortedValue For index = 1 To arraySize - 1 Set unsortedValue = array[index] Set scan = index While scan > 0 AND array [scan-1] < array[scan] Call swap (array[scan-1], array [scan]) Set scan = scan - 1 End While Set array [scan] End For = unsortedValue