[Programmers] Lv1: 폰켓몬(1845)

문제

- 링크: https://school.programmers.co.kr/learn/courses/30/lessons/1845

 

풀이

import java.util.Arrays;

class Solution {
    public int solution(int[] nums) {
        int numsDistinctLength = (int)Arrays.stream(nums).distinct().count();
        return Math.min(numsDistinctLength, nums.length / 2);
    }
}