/in/foo.cc: In function 'int main()':
/in/foo.cc:95:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<translation.size();i++)
              ~^~~~~~~~~~~~~~~~~~~
/in/foo.cc:96:40: warning: statement is a reference, not call, to function 'CAN_NOT' [-Waddress]
   if( !re[ translation[i] ] ) { CAN_NOT; return 0; }
                                        ^
/in/foo.cc:96:40: warning: statement has no effect [-Wunused-value]
/in/foo.cc:99:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<translation.size();i++)
              ~^~~~~~~~~~~~~~~~~~~