[Arthur] Week 3 #783
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[Arthur] Week 3 #783
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obzva
reviewed
Dec 26, 2024
| } | ||
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| return res | ||
| } |
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앗... 복붙하다가 실수를했네요... 감사합니다!
obzva
reviewed
Dec 26, 2024
| // Time Complexity: O(1) | ||
| // Space Complexity: O(1) | ||
| func reverseBits(num uint32) uint32 { | ||
| reversedBits := bits.Reverse32(num) |
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혹시 될까해서 해봤는데 되더라구요ㅋㅋㅋ....
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내부 구현이 궁금해서 좀 찾아봤는데, 궁금하시면 한 번 구경해보시죠 ㅎㅎ
https://github.com/golang/go/blob/master/src/math/bits/bits.go
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오 이런 함수가 있었군요 ㅎㅎ 덕분에 알아갑니다!
| // O(n) | ||
| for i, num := range nums { | ||
| // O(1) | ||
| if j, ok := m[target-num]; ok && j != i { // target = num2 + num1 -> num2 = target - num1 을 이용하여 두 수를 찾는다. |
SamTheKorean
approved these changes
Dec 28, 2024
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