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186. In abstract terms, each iteration of insertion sort removes an element from the input data and then inserts it into the correct position in the _________ that is already sorted.

187. An array sorted in the reverse order is the __________ case input.
(C).Somewhat bad
(D).None of the above

188.___________ is a simple sorting technique to sort a list of elements.
(A).Insertion sort
(B).Selection sort
(C).Sorting array
(D).None of the above

189. The running time of heap sort is __________.
(D).None of the above

190. There is one to one correspondence between elements of the _________of the tree.
(A).Array and trees
(B).Array and nodes
(C).Arrays and nodes
(D).None of the above