Leetcode Problem 2150. Find All Lonely Numbers in the Array

2150. Find All Lonely Numbers in the Array

Leetcode Solutions

Using Hash Map to Identify Lonely Numbers

  1. Initialize an empty hash map to store the frequency of each number in nums.
  2. Iterate through each number in nums and update the frequency in the hash map.
  3. Initialize an empty list to store the lonely numbers.
  4. Iterate through each number in nums again.
  5. For each number, check if its frequency is 1 and the frequencies of its adjacent numbers are 0.
  6. If the conditions are met, append the number to the list of lonely numbers.
  7. Return the list of lonely numbers.
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Sorting and Iterative Check for Lonely Numbers

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