04greedy算法设计与分析 贪心算法(19)

Minimizing Lateness: Greedy AlgorithmGreedy algorithm. Earliest deadline first.

Sort n jobs by deadline so that d1 d2 … dn t 0 for j = 1 to n Assign job j to interval [t, t + tj] sj t, fj t + tj t t + tj output intervals [sj, fj]

max lateness = 1

d1 = 60 1 2 3

d2 = 84 5

d3 = 96 7

d4 = 98 9 10

d5 = 1411 12 13

d6 = 1514 15

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