Leetcode Problem 2860. Happy Students

2860. Happy Students

Leetcode Solutions

Sorting and Counting Approach

  1. Sort the nums array.
  2. Initialize happyCount to 0.
  3. Check if the first student will be happy if no one is selected (Case 1).
  4. Iterate through the sorted array and for each student: a. Increment the count of selected students. b. Check if the current student will be happy with the current selection (Case 2A). c. Check if the next student will be happy if not selected (Case 2B). d. If both conditions are met, increment happyCount.
  5. Check if all students can be selected (Case 3).
  6. Return happyCount.
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Brute Force with Optimization

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