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pracmidterm2 - 15-750 Midterm 2 Page 1 of 9 15-750 Practice...

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15-750 Midterm 2 Page 1 of 9 15-750: Practice Midterm 2 Name: Email: Instructions Fill in the box above with your name, and your email address. Do it, now! This exam is open book: That is, you may use two books (Kozen and CLRS), any handouts from class, and your notes. Clearly mark your answers in the allocated space. If need be, use the back of a page for scratch space. If you have made a mess, cross out the invalid parts of your solution, and circle the ones that should be graded. Scan the test first to make sure that none of the 9 pages are missing. The problems are of varying difficulty, you might wish to pick off the easy ones first. With each problem requiring you to present an algorithm make sure include the following three bullets: Algorithm: Correctness: and Timing: You have 80 minutes. Good luck. 1 30 2 30 3 30 4 30 E.C. 30 Σ 120
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15-750 Midterm 2 Page 2 of 9 Problem 1: Solving Linear Systems to Find the Hitting Time (30 pts) Consider the following weighted graph.
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