[프로그래머스] 폰켓몬

문제

폰켓몬

문제풀이

function solution(nums) {
    
    var answer = 0;
    var chance = nums.length / 2;
    var set = new Set(nums);
    var unique = [...set];
    
    answer = unique.length < chance ? unique.length : chance;
    
    return answer;
}