제출 #141376

실행 실패 (제출 코드 컴파일 에러)

Main.java:12: error: non-static variable graph cannot be referenced from a static context
    graph = new ArrayList[N + 1];
    ^
Main.java:14: error: non-static variable graph cannot be referenced from a static context
      graph[i] = new ArrayList<>();
      ^
Main.java:21: error: non-static variable graph cannot be referenced from a static context
          graph[i].add(j);
          ^
Note: Main.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
3 errors