제출 #602795

#제출 시각아이디문제언어결과실행 시간메모리
602795cadmiumskyNewspapers (CEOI21_newspapers)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; int main() { int n, m; cin >> n >> m; if(m == n - 1) { cout << "YES\n1\n1\n"; } else if(m == n) { for(int i = 0, x, y; i < m; i++) { cin >> x >> y; g[x].push_back(y); g[y].push_back(x); } for(int i = 1; i <= n; i++) { if(g[i].size() != 2) { cout << "NO\n"; return 0; } } cout << "NO\n"; } else cout << "YES\n1\n1\n"; }

컴파일 시 표준 에러 (stderr) 메시지

newspapers.cpp: In function 'int main()':
newspapers.cpp:14:7: error: 'g' was not declared in this scope
   14 |       g[x].push_back(y);
      |       ^
newspapers.cpp:18:10: error: 'g' was not declared in this scope
   18 |       if(g[i].size() != 2) {
      |          ^