제출 #171634

실행 실패 (제출 코드 컴파일 에러)

Main.cpp: In function ‘void dfs(int)’:
Main.cpp:36:9: error: ‘else’ without a previous ‘if’
   36 |         else {
      |         ^~~~
Main.cpp:20:13: warning: unused variable ‘flag’ [-Wunused-variable]
   20 |         int flag = 0;
      |             ^~~~