/in/foo.cc: In function 'int findsecondmax(int*, int, int)':
/in/foo.cc:38:29: warning: unused variable 't' [-Wunused-variable]
   38 |         int secondmax=0;int t;
      |                             ^
/in/foo.cc: In function 'int findonemax_xb(int*, int)':
/in/foo.cc:35:1: warning: control reaches end of non-void function [-Wreturn-type]
   35 | }
      | ^
/in/foo.cc: In function 'int findsecondmax(int*, int, int)':
/in/foo.cc:53:1: warning: control reaches end of non-void function [-Wreturn-type]
   53 | }
      | ^