/in/foo.cc:5:13: error: stray '\' in program
    5 | cout<<"O  O"\n;
      |             ^
/in/foo.cc:6:12: error: stray '\' in program
    6 | cout<<"O O"\n;
      |            ^
/in/foo.cc:7:11: error: stray '\' in program
    7 | cout<<"OO"\n;
      |           ^
/in/foo.cc:8:12: error: stray '\' in program
    8 | cout<<"O O"\n;
      |            ^
/in/foo.cc:9:13: error: stray '\' in program
    9 | cout<<"O  O"\n;
      |             ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:5:13: error: expected ';' before 'n'
    5 | cout<<"O  O"\n;
      |             ^~
      |             ;
/in/foo.cc:6:12: error: expected ';' before 'n'
    6 | cout<<"O O"\n;
      |            ^~
      |            ;
/in/foo.cc:7:11: error: expected ';' before 'n'
    7 | cout<<"OO"\n;
      |           ^~
      |           ;
/in/foo.cc:8:12: error: expected ';' before 'n'
    8 | cout<<"O O"\n;
      |            ^~
      |            ;
/in/foo.cc:9:13: error: expected ';' before 'n'
    9 | cout<<"O  O"\n;
      |             ^~
      |             ;