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10 Questions

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Backtracking Algorithms in Python

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Questions and Answers

What is the purpose of the 'can_extend' function?

To check if adding the item to the candidate won't exceed the capacity (correct)

To update the best solution if the candidate is better

To determine if the candidate satisfies global constraints

To calculate the total weight of the items in the candidate set

In the context of the knapsack problem, what type of comparison should be used for selecting a new best candidate?

Greater than (correct)

Less than

Not specified

Equal to

What change is suggested in the code to make a new candidate the best?

Replace '==' with '>' (correct)

Replace '==' with '<'

Remove the 'else' statement

Include a new if condition

Which parameter can be removed from the 'can_extend' function according to the text?

Only item Signup and view all the answers

What is the purpose of the 'satisfies_global' function according to the text?

To verify if an extension satisfies global constraints Signup and view all the answers

Which action triggers checking if a new extension can be added to a candidate solution?

'Can_extend' calling itself recursively Signup and view all the answers

What parameter should be passed to the 'value' function according to the text?

'Candidate' solution Signup and view all the answers

If a candidate's value is equal to the current best, what action is suggested by the code?

'New best' updated with candidate Signup and view all the answers

'Can_extend' function only needs which parameters based on information provided?

'Item' and 'capacity' Signup and view all the answers

'Satisfies_global' function is suggested to be unnecessary for what reason?

'Can_extend' already handles all constraints Signup and view all the answers