这个动态规划算法问题怎么解决啊?
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这个动态规划算法问题怎么解决啊?
Recall the greedy algorithm for Knapsack from the notes.
Show that, for every constant c < 2, there is an instance of Knapsack
for which the greedy algorithm produces a solution that is greater than
c times optimal. (Hint: recall the example given in class with capacity
19 with three items: u
1
with weight 11 and value 11.1, one with weight
10 and value 10, and one with weight 9 and value 9. In this case, the
optimal solution has value 19, whereas the greedy solution provides a
solution of value 11.1.)
Recall the greedy algorithm for Knapsack from the notes.
Show that, for every constant c < 2, there is an instance of Knapsack
for which the greedy algorithm produces a solution that is greater than
c times optimal. (Hint: recall the example given in class with capacity
19 with three items: u
1
with weight 11 and value 11.1, one with weight
10 and value 10, and one with weight 9 and value 9. In this case, the
optimal solution has value 19, whereas the greedy solution provides a
solution of value 11.1.)
![这个动态规划算法问题怎么解决啊?](/uploads/image/z/18928390-22-0.jpg?t=%E8%BF%99%E4%B8%AA%E5%8A%A8%E6%80%81%E8%A7%84%E5%88%92%E7%AE%97%E6%B3%95%E9%97%AE%E9%A2%98%E6%80%8E%E4%B9%88%E8%A7%A3%E5%86%B3%E5%95%8A%3F)
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