public class Solution extends Object
2150 - Find All Lonely Numbers in the Array.
Medium
You are given an integer array nums. A number x is lonely when it appears only once , and no adjacent numbers (i.e. x + 1 and x - 1) appear in the array.
Return all lonely numbers in nums. You may return the answer in any order.
Example 1:
Input: nums = [10,6,5,8]
Output: [10,8]
Explanation:
10 is a lonely number since it appears exactly once and 9 and 11 does not appear in nums.
8 is a lonely number since it appears exactly once and 7 and 9 does not appear in nums.
5 is not a lonely number since 6 appears in nums and vice versa.
Hence, the lonely numbers in nums are [10, 8].
Note that [8, 10] may also be returned.
Example 2:
Input: nums = [1,3,5,3]
Output: [1,5]
Explanation:
1 is a lonely number since it appears exactly once and 0 and 2 does not appear in nums.
5 is a lonely number since it appears exactly once and 4 and 6 does not appear in nums.
3 is not a lonely number since it appears twice.
Hence, the lonely numbers in nums are [1, 5].
Note that [5, 1] may also be returned.
Constraints:
1 <= nums.length <= 1050 <= nums[i] <= 106| Constructor and Description |
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Solution() |
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