Leetcode Problem 2086. Minimum Number of Food Buckets to Feed the Hamsters

2086. Minimum Number of Food Buckets to Feed the Hamsters

Leetcode Solutions

Greedy Approach with Edge Case Handling

  1. Check for edge cases where it's impossible to feed all hamsters (e.g., 'HH', 'HHH', beginning or end with 'HH').
  2. Initialize a counter for the number of buckets.
  3. Iterate over the string from left to right.
  4. When a hamster is found, check if it's possible to place a bucket to its right.
  5. If possible, place the bucket and increment the counter.
  6. If not, check if it's possible to place a bucket to its left and increment the counter if so.
  7. If neither is possible, return -1 as it's impossible to feed this hamster.
  8. Continue until all hamsters have been checked.
  9. Return the counter value as the result.
UML Thumbnail

Iterative Approach with Auxiliary Array

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