Computers and Technology, 10.06.2021 23:40, ldestl

For the following alternative greedy algoriths for the class scheduling problem, either prove that the algorithm always constructs an optimal schedule, or describe a small input example for which the algorithm does not produce an optimal schedule. Assume that all algorithms break ties arbitrarily (that is, in a manner that is completely out of your control). Let x be the class with the earliest start time, and let y be the class with the second earliest start time.
If x and y are disjoint, choose x and recurse on everything but x.
If x completely contains y, discard x and recurse.
Otherwise, discard y and recurse.

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For the following alternative greedy algoriths for the class scheduling problem, either prove that t...