정화 코딩

https://www.acmicpc.net/problem/9328 #include #include #include using namespace std;int dx[] = {1, -1, 0, 0};int dy[] = {0, 0, 1, -1};int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int tc; cin >> tc; while (tc--) { int h, w; cin >> h >> w; vector m(h); vector> chk(h, vector(w, false)); vector open(26, false); queue>..