Leetcode Problem 2107. Number of Unique Flavors After Sharing K Candies

2107. Number of Unique Flavors After Sharing K Candies

Leetcode Solutions

Initialize a hash table to count the flavors of candies you will keep.
Iterate over the candies from index k to the end, incrementing the count of each flavor in the hash table.
Initialize a variable res to store the maximum number of unique flavors you can keep, initially set to the number of unique flavors in the hash table.
Iterate over the candies starting from index k, for each candy: a. Decrement the count of the flavor in the hash table. b. If the count becomes zero, remove the flavor from the hash table. c. Increment the count of the flavor that is k positions before the current candy in the hash table. d. Update res with the maximum of its current value and the size of the hash table.
Return res as the final result.

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