/in/foo.cc: In function 'int main()':
/in/foo.cc:23:9: warning: variable 'lastMaxIndex' set but not used [-Wunused-but-set-variable]
     int lastMaxIndex = -1;
         ^~~~~~~~~~~~
/in/foo.cc: At global scope:
/in/foo.cc:41:5: error: expected unqualified-id before 'return'
     return 0;
     ^~~~~~
/in/foo.cc:42:1: error: expected declaration before '}' token
 }
 ^