/in/foo.cc: In function 'int main()':
/in/foo.cc:18:16: error: 'wordCount' was not declared in this scope
  for(int i=0;i<wordCount/2;i++){
                ^~~~~~~~~
/in/foo.cc:19:8: error: expected ';' before 'words'
   cout words[i]<<" ";
        ^~~~~
/in/foo.cc:19:21: warning: statement has no effect [-Wunused-value]
   cout words[i]<<" ";
                     ^