백준 c++ 11645 I've Been Everywhere, Man 11645 I've Been Everywhere, Man 문제풀이 #include #include using namespace std; map m; int main(void) { int t; cin >> t; while(t--) { int cities; cin >> cities; for(int i=0;i> str; if(!m[str]) m.insert({str,true}); } cout 자라는 개발자/문제풀이 2022.07.23