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Data-structure-with-C-10CS35-unit-8-->View question

Consider the weights and values of items listed below. Note that there is only one unit of each item.

Item number |Weight(in Kgs)  |Value(in Rupees)
1                     10                        60
2                      7                         28
3                      4                         20
4                      2                          24

The task is to pick a subset of these items such that their total weight is no more than 11 Kgs
and their total value is maximized. Moreover, no item may be split. The total value of items
picked by an optimal algorithm is denoted by Vopt. A greedy algorithm sorts the items by
their value-to-weight ratios in descending order and packs them greedily, starting from the
first item in the ordered list. The total value of items picked by the greedy algorithm is
denoted by Vgreedy.
The value of Vopt − Vgreedy

is ____________.

Asked On2019-05-29 11:55:51 by:vivekEdu

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