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Unformatted text preview: Greedy schedule has 0 idle time and 0 inversions Will prove today Any two schedules with 0 idle time and 0 inversions have the same max lateness Greedy schedule has 0 idle time and 0 inversions There is an optimal schedule with 0 idle time and 0 inversions Optimal schedule with 0 idle time = = = = ≥ Lateness “Only” need to convert a 0 idle optimal ordering to one with 0 inversions (and 0 idle time) “Only” need to convert a idle optimal ordering to one with inversions (and idle time) HW 5 due today Q1, Q2 and Q3 in separate piles I will not take any HW after 1:15pm Today’s agenda “Exchange” argument to convert an optimal solution into a 0 inversion one Shortest Path problem Shortest Path problem http://xkcd.com/85/...
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 Fall '11
 RUDRA
 Shortest path problem, idle time

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