폰켓몬

풀이

import java.util.*;

class Solution {
    public int solution(int[] nums) {
        int answer = 0;
        ArrayList<Integer> list = new ArrayList<>();
        
        for (int i : nums) {
    if (!list.contains(i)) {
        list.add(i);
    }
}
        if(list.size() <= nums.length/2){
            answer = list.size();
        }else{
            answer = nums.length/2;
        }
        
        return answer;
    }
}

 

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