Htables_fsl_3
Consider the following _find_slot function and the corresponding test setup:

The following test setup is used to evaluate the behavior of this function, load factor is ignored.

# Create a hash map with a small size for testinghash_map = ProbeHashMap(7) # Assume a small table size of 7 for simplicity# Manually fill all slots except onehash_map._table = [ hash_map._Item('keyX', 'valueX'), hash_map._Item('keyY', 'valueY'), hash_map._Item('keyZ', 'valueZ'), hash_map._Item('keyW', 'valueW'), None, hash_map._Item('keyQ', 'valueQ'), hash_map._Item('keyR', 'valueR')]# Call the function with the following parameters:found, slot = hash_map._find_slot(5, 'keyM')
What will the call to hash_map._find_slot(5, 'keyM') return?

ProbeHashMap is shared below for your reference:

Question

Htables_fsl_3
Consider the following _find_slot function and the corresponding test setup:

The following test setup is used to evaluate the behavior of this function, load factor is ignored.

# Create a hash map with a small size for testinghash_map = ProbeHashMap(7)  # Assume a small table size of 7 for simplicity# Manually fill all slots except onehash_map._table = [    hash_map._Item('keyX', 'valueX'),    hash_map._Item('keyY', 'valueY'),    hash_map._Item('keyZ', 'valueZ'),    hash_map._Item('keyW', 'valueW'),    None,      hash_map._Item('keyQ', 'valueQ'),    hash_map._Item('keyR', 'valueR')]# Call the function with the following parameters:found, slot = hash_map._find_slot(5, 'keyM')
What will the call to hash_map._find_slot(5, 'keyM') return?

ProbeHashMap is shared below for your reference:

BlackTom AI · Accepted Answer

The question presents a hash map with a small, manually filled table and asks what hash_map._find_slot(5, 'keyM') will return when probing begins at index 5.
First, note the table contents by index (0 to 6):
0 -> 'keyX', 1 -> 'keyY', 2 -> 'keyZ', 3 -> 'keyW', 4 -> None, 5 -> 'keyQ', 6 -> 'keyR'.
The probe starts at index 5 due to the provided initial index of 5.
- Index 5 contains 'keyQ', which does not match the search key 'keyM'.
- Move to the next slot (linear probing): index 6 contains 'keyR', which also does not match 'keyM'.
- Continue probing: wrap around to index 0, which contains 'keyX' (not a match).
- Next, index 1 has 'keyY' (not a match).
- Then index 2 has 'keyZ' (not a match).
- Then index 3 has 'keyW' (not a match).
- Finally, index 4 is None, i.e., the first empty slot encountered during probing.
In many probing implementations, encountering an empty slot indicates the key is not present and provides the insertion/slot context; thus the function would return a tuple indicating the key was not found and the index of the first available slot, which is 4.
Evaluating the other options:
- Option 2: (True, 4) claims a found status is True, which is inconsistent with the absence of a matching key in the scanned slots; the key is not found.
- Option 3: (True, 5) asserts a match at index 5, but index 5 holds 'keyQ', not 'keyM'.
- Option 4: (False, 6) suggests wrapping around and stopping at 6, but the probing would continue until it hits the first empty slot at 4, not stop at 6.
Thus, the reasoning above supports that the probe fails to find 'keyM' and returns the first empty slot encountered, which is index 4.

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