LC 0645 [E] Set Mismatch - ALawliet/algorithms GitHub Wiki
class Solution:
def findErrorNums(self, nums: List[int]) -> List[int]:
i = 0
while i < len(nums):
j = nums[i] - 1
if nums[i] != nums[j]:
nums[i], nums[j] = nums[j], nums[i]
else:
i += 1
for i in range(len(nums)):
if nums[i] != i + 1:
return [nums[i], i + 1]
return [-1, -1]