[SunaDu] Week 4 #811
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[SunaDu] Week 4 #811
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obzva
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Jan 4, 2025
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| #### TC is O(n): | ||
| - sorting the array. = O(n log n) | ||
| - iterating through the array just once to find the missing number. = O(n) |
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선아님 말씀대로라면 시간복잡도는 O(n logn)이어야 하지 않을까요?
missing-number/dusunax.py
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| n = len(nums) | ||
| xor_all = 0 | ||
| xor_nums = 0 | ||
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| for i in range(n + 1): | ||
| xor_all ^= i | ||
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| for num in nums: | ||
| xor_nums ^= num | ||
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| return xor_all^xor_nums |
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좋은 풀이네요 :)
반복문 두 개를 하나로 합치는 것도 좋을 것 같아요
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하나로 수정했습니다👍
leetcode-study/missing-number/dusunax.py
Lines 55 to 63 in fe40360
obzva
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Jan 4, 2025
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