运行 ID: 12475

Main.cc: In function ‘int fun(int)’:
Main.cc:17:1: warning: no return statement in function returning non-void [-Wreturn-type]
   17 | }
      | ^
Main.cc: In function ‘void z(int)’:
Main.cc:49:3: error: ‘eles’ was not declared in this scope
   49 |   eles
      |   ^~~~