Problem : What is the best case efficiency for insertion sort?The best case efficiency is O(n) . It occurs when the data is in sorted order. After making one pass through the data and making no insertions, insertion sort exits.
Problem : What is the worst case efficiency of insertion sort? When does it occur?The worst case efficiency is O(n 2) . The worst case occurs when the data is in reverse order.
Problem : Show the steps in sorting the following list using insertion sort: (4, 6, 2, 3, 9).(4, 6, 2, 3, 9). (2, 4, 6, 3, 9). (2, 3, 4, 6, 9).
Problem : What kind of data structure might make insertion sort particularly inefficient?A data structure for which shifting data is not efficient.
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