/in/foo.cc:8:8: warning: missing terminating " character
 printf("%.1lf %.1lf\n,s*2/3,s*2/3/v);
        ^
/in/foo.cc:8:8: error: missing terminating " character
 printf("%.1lf %.1lf\n,s*2/3,s*2/3/v);
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:9:1: error: expected primary-expression before 'return'
 return 0;
 ^~~~~~