Leetcode Problem 857. Minimum Cost to Hire K Workers

857. Minimum Cost to Hire K Workers

Leetcode Solutions

Heap-based Approach for Minimum Cost to Hire K Workers

  1. Create a list of workers with their quality, wage, and the ratio of wage to quality.
  2. Sort the list of workers based on their ratio in ascending order.
  3. Initialize a max heap to keep track of the highest qualities and a variable sumq to store the sum of qualities in the heap.
  4. Iterate over the sorted list of workers: a. Add the current worker's quality to sumq and to the max heap. b. If the heap size exceeds k, remove the largest quality from sumq and the heap. c. If the heap size is exactly k, calculate the potential cost as the current worker's ratio multiplied by sumq. d. Keep track of the minimum cost encountered.
  5. Return the minimum cost.
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Brute Force Approach for Minimum Cost to Hire K Workers

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