AMcGinley C15 Hash#44
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CheezItMan
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Jan 24, 2022
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Well done Alison. You hit the learning goals here. Let me know if you have questions on my feedback.
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| def grouped_anagrams(strings): | ||
| """ This method will return an array of arrays. | ||
| Each subarray will have strings which are anagrams of each other | ||
| Time Complexity: ? | ||
| Space Complexity: ? | ||
| Time Complexity: O(n) | ||
| Space Complexity: O(n) | ||
| """ |
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👍 Time/space complexity is correct if the words are of limited length (like English words) and O(n * m log m) where m is the length of the words otherwise.
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| def top_k_frequent_elements(nums, k): | ||
| """ This method will return the k most common elements | ||
| In the case of a tie it will select the first occuring element. | ||
| Time Complexity: ? | ||
| Space Complexity: ? | ||
| Time Complexity: O(n) | ||
| Space Complexity: o(n) | ||
| """ |
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👍 Due to the loop and nested max call from lines 35-38. This is O(nk) for time complexity.
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Hash Table Practice
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Comprehension Questions