LeetCode #645: Set Mismatch
• 36 words • 1 min
python
class Solution:
def findErrorNums(self, nums: List[int]) -> List[int]:
n = len(nums)
s = set(nums)
t = set(range(1, n + 1))
missing = (t - s).pop()
duplicate = Counter(nums).most_common(1)[0][0]
return [duplicate, missing]∎
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