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oda
reviewed
Jan 27, 2025
| class Solution: | ||
| def firstUniqChar(self, s: str) -> int: | ||
| for index, character in enumerate(s): | ||
| if s.find(character) == s.rfind(character): |
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計算量的には2乗になっていますが、find rfind がネイティブコードなので結構速そうですね。
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colorbox
reviewed
Jan 29, 2025
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| LRUcacheを使った解法 | ||
| ```pythonclass ListNode: |
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https://leetcode.com/problems/first-unique-character-in-a-string/description/