Created
October 29, 2018 18:53
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Practice Coding 1
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| # Implememt an algorithm to determine if a string has all unique characters. What if you cannot use additional data structures? | |
| def isUnique(str): | |
| if len(str) > 128: | |
| retun False | |
| char_set = [] | |
| for char in str: | |
| if char in char_set: | |
| return False | |
| char_set.append(char) | |
| return True |
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