C15 Paper--Weishan #38
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CheezItMan
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Jan 18, 2022
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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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👍 The time complexity is right if the words are limited in length, if they could be any length, the time complexity is O(n * m log m) because each word is sorted.
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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(nk) | ||
| Space Complexity: O(n) | ||
| """ |
| highest_value = max(frequency_dict, key=frequency_dict.get) | ||
| result.append(highest_value) | ||
| frequency_dict.pop(highest_value) | ||
| return result | ||
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| def valid_sudoku(table): |
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Hash Table Practice
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Comprehension Questions