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Scissors - Hena #31

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@hena-lee hena-lee commented Dec 4, 2021

Hash Table Practice

Congratulations! You're submitting your assignment!

Comprehension Questions

Question Answer
Why is a good Hash Function Important?
How can you judge if a hash function is good or not?
Is there a perfect hash function? If so what is it?
Describe a strategy to handle collisions in a hash table
Describe a situation where a hash table wouldn't be as useful as a binary search tree
What is one thing that is more clear to you on hash tables now

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@CheezItMan CheezItMan left a comment

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Nice work Hena, you hit the learning goals here. Well done.

Comment on lines +5 to +8
Time Complexity: O(n)
Space Complexity: O(n)
"""
hash_table = {}

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👍 Time complexity is correct assuming English words (limited in length).

Comment on lines +29 to 31
Time Complexity: O(n)
Space Complexity: O(n)
"""

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👍 However because you're sorting, I think the time complexity is O(n log n) worst-case

@@ -24,6 +63,8 @@ def valid_sudoku(table):
row, column or 3x3 subgrid
Time Complexity: ?
Space Complexity: ?

2powerful4me

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Nah, you just don't have time.

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