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| """ | ||
| def maxProfit(self, prices: List[int]) -> int: | ||
| max_profit = 0 | ||
| min_price = prices[0] |
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prices가 빈 배열일 경우 prices[0] 접근에서 IndexError 발생 가능 → 입력 검증 필요
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배열의 길이는 1이상이라서 빈 배열이 나올 경우가 없어 검증이 필요없을 것 같습니다.
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아 제가 조건을 못 봤네요. 이 문제에서는 해당 사항 고려하지 않으셔도 됩니다.
| dict_strs = defaultdict(list) | ||
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| for word in strs: | ||
| dict_strs[str(sorted(word))].append(word) |
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str(sorted(word)) 대신 tuple(sorted(word))가 더 효율적
std-freejia
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Aug 23, 2025
| @@ -0,0 +1,19 @@ | |||
| import java.util.*; | |||
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| class Solution { | |||
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dp 로 가능한 문제였군요. 많이 배워갑니다. 감사합니다!
std-freejia
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Aug 23, 2025
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자세한 설명 덕에 제가 풀기 어려워한 부분에 대해서 많이 배워갑니다. 한 주 동안 고생하셨습니다!
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