Leetcode Problem 2127. Maximum Employees to Be Invited to a Meeting

2127. Maximum Employees to Be Invited to a Meeting

Leetcode Solutions

Finding the Maximum Number of Employees for a Meeting

  1. Initialize variables to keep track of the longest cycle and the total length of chains from mutual favorite pairs.
  2. For each employee, if not already visited, perform a DFS to find cycles and calculate the length of the longest cycle.
  3. Identify pairs of mutual favorites and mark them as visited.
  4. For each pair of mutual favorites, perform a DFS from each member to find the longest chain of employees who favor each other, excluding the mutual favorite.
  5. Sum the lengths of the two longest chains from each pair plus 2 (for the pair itself) to get the total number of employees that can be invited from that pair.
  6. Sum these totals for all pairs to get the overall total for the second case.
  7. Take the maximum of the longest cycle and the overall total from the second case as the final answer.
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Topological Sort to Identify Loops and Paths

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