/in/foo.cc: In function 'int getH(char*)':
/in/foo.cc:71:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:106:9: warning: unused variable 'i' [-Wunused-variable]
     int i,j,t;
         ^
/in/foo.cc:106:11: warning: unused variable 'j' [-Wunused-variable]
     int i,j,t;
           ^