map 이용int solution(vector nums) { int answer = 0; int half = nums.size() / 2; set s(nums.begin(), nums.end()); int kind = s.size(); if (half < kind) answer = half; else answer = kind; return answer; } vector 이용#include #include #include #include using namespace std; int solution(vector nums) { int answer = 0; int half = nums.size() / 2; vector types = nums; sort(types.begin(), types.end()); type..