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Just realized I never submitted it on learn, sorry! |
CheezItMan
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Jun 11, 2021
CheezItMan
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Nice work Li, you hit the learning goals here. Well done.
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| # n => number of strings, m => largest number of characters of a string | ||
| # Time Complexity: n * mlog(m) (sorting n strings: n * mlog(m); lookup, push, assign: O(1), iterating o(n)) | ||
| # Space Complexity: n * m (worst case has to create a new array/key for each string, and takes m space to sort it) | ||
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| def grouped_anagrams(strings) |
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| # Time Complexity: Olog(n) for sorting | ||
| # Space Complexity: o(n) | ||
| def top_k_frequent_elements(list, k) |
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| # Time Complexity: O(1) fixed grid | ||
| # Space Complexity: O(1) | ||
| def valid_sudoku(table) |
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👍 This works, but you can also do this with helper methods.
Well done
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Hash Table Practice
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