중급] 1949 : 우수마을 https://www.acmicpc.net/problem/1949 더보기 #include #include using namespace std; struct data{ int selectCnt; int nonSelectCnt; }; int num[100010]; int visited[100010]; vector link[100010]; int n; struct data dfs(int next) { struct data res; res.nonSelectCnt = 0; res.selectCnt = 0; if(visited[next]) return res; visited[next] = 1; int nextSelectCnt = 0; int nextNonSelectCnt = 0; str..