/in/foo.cc: In function 'int _max(int, int, int, int, int)':
/in/foo.cc:14:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
/in/foo.cc: In function 'int _min(int, int, int, int, int)':
/in/foo.cc:21:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^