Find All Numbers Disappeared in an Array Given an array nums
of n
integers where nums[i]
is in the range [1, n]
, return an array of all the integers in the range [1, n]
that do not appear in nums
.
Example 1:
Input: nums = [4,3,2,7,8,2,3,1] Output: [5,6]
Example 2:
Input: nums = [1,1] Output: [2]
Constraints:
n == nums.length
1 <= n <= 105
1 <= nums[i] <= n
Find All Numbers Disappeared in an Array Solutions
✅Time: O(n)
✅Space: O(n)
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