LeetCode 575: Distribute Candies Solution
Master LeetCode problem 575 (Distribute Candies), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.
575. Distribute Candies
Problem Explanation
Explanation:
To maximize the number of different types of candies Alice can eat, we need to count the unique types of candies in the given array. We can achieve this by using a HashSet or unordered_set in which we store each unique candy type. The maximum number of different types of candies Alice can eat will be the minimum of the total unique types of candies and n/2.
- Create a HashSet or unordered_set to store unique candy types.
- Iterate over the candyType array and add each type to the set.
- Return the minimum of the set size and n/2.
Time Complexity: O(n) Space Complexity: O(n)
:
Solution Code
import java.util.HashSet;
class Solution {
public int distributeCandies(int[] candyType) {
HashSet<Integer> uniqueCandies = new HashSet<>();
for (int candy : candyType) {
uniqueCandies.add(candy);
}
return Math.min(uniqueCandies.size(), candyType.length / 2);
}
}Try It Yourself
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