What must be true about the data structure for binary search to work?

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Question: What must be true about the data structure for binary search to work?

Options:

Correct Answer: The data must be sorted.

Solution:

For binary search to work, the data must be sorted. This allows the algorithm to effectively eliminate half of the search space with each comparison.

What must be true about the data structure for binary search to work?

What must be true about the data structure for binary search to work?

Step 1: Understand that binary search is a method used to find an item in a list.
Step 2: Know that for binary search to work, the list must be sorted in a specific order (either ascending or descending).
Step 3: Realize that sorting the list allows the algorithm to compare the target item with the middle item of the list.
Step 4: If the target item is less than the middle item, the search continues in the left half of the list.
Step 5: If the target item is greater than the middle item, the search continues in the right half of the list.
Step 6: This process of eliminating half of the remaining items continues until the target item is found or the search space is empty.

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