문제 링크 : boj.kr/16043난이도 : G5태그 : 그리코드#include #define all(x) (x).begin(), (x).end()#define INF 0x7FFFFFFFusing namespace std;using ll = long long;using ld = long double;using pii = pair;using pll = pair;int main(){ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, m; cin >> n >> m; vector arr(m); map _m; for(auto &u : arr) { cin >> u; _m[u] = true; } ..