문제 링크 : boj.kr/23255난이도 : G4태그 : 그리디코드#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(n+1, 0); vector> edge(n+1); for(int i = 0; i > a >> b; edge[a].empla..