Maximum Order Volume
During the day, a supermarket will receive calls from customers who want to place orders. The supermarket manager knows in advance the number of calls that will be attempted, the start time, duration, and order volume for each call. Only one call can be in progress at any one time, and if a call is not answered, the caller will not call back. The manager must choose which calls to service in order to maximize order volume. Determine the maximum order volume.
Example
cssCopy codestart = [10, 5, 15, 18, 30]
duration = [30, 12, 20, 35, 35]
volume = [50, 51, 20, 25, 10]
The above data as a table.
| Caller | Start time | Duration | Order volume |
|---|---|---|---|
| 1 | 10 | 30 | 50 |
| 2 | 5 | 12 | 51 |
| 3 | 15 | 20 | 20 |
| 4 | 18 | 35 | 25 |
| 5 | 30 | 35 | 10 |
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