ou are given a knapsack that can carry a maximum weight of 60. There are 4 items with weights {20, 30, 40, 70} and values {70, 80, 90, 200}. What is the maximum value of the items you can carry using the knapsack?
Question
ou are given a knapsack that can carry a maximum weight of 60. There are 4 items with weights {20, 30, 40, 70} and values {70, 80, 90, 200}. What is the maximum value of the items you can carry using the knapsack?
Solution
This problem is a classic example of the Knapsack Problem, a problem in combinatorial optimization. The goal is to maximize the total value of the items in the knapsack without exceeding the weight capacity.
Here's how you can solve it:
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First, create a table with the items as rows and the possible weights (from 0 to the maximum weight of the knapsack) as columns.
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Start filling the table row by row. For each cell, you have two options: include the item or exclude it.
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If you exclude the item, the maximum value is the value from the cell directly above. If you include the item, the maximum value is the value of the item plus the value from the cell at the weight of the current weight minus the weight of the item.
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Choose the maximum of these two options.
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Continue this process until you've filled in the entire table.
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The maximum value that can be carried in the knapsack is the value in the bottom right cell of the table.
In this case, the weights of the items are {20, 30, 40, 70} and their corresponding values are {70, 80, 90, 200}. The maximum weight the knapsack can carry is 60.
After filling in the table, you'll find that the maximum value you can carry in the knapsack is 150 (70 from the first item and 80 from the second item). The third and fourth items are too heavy to be included without exceeding the weight limit.
Similar Questions
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