2086. Minimum Number of Food Buckets to Feed the Hamsters

You are given a 0-indexed string hamsters where hamsters[i] is either: - 'H' indicating that there is a hamster at index i, or - '.' indicating that index i is empty. You will add some number of food buckets at the empty indices in order to feed the hamsters. A hamster can be fed if there is at least one food bucket to its left or to its right. More formally, a hamster at index i can be fed if