foo.cc: In function ‘int main()’:
foo.cc:14:25: error: expected ‘)’ before user-defined string literal
   14 |         printf("%.5lf",b" "c)
      |               ~         ^~~~
      |                         )
foo.cc:14:30: error: expected ‘;’ before ‘return’
   14 |         printf("%.5lf",b" "c)
      |                              ^
      |                              ;
   15 |         return 0;
      |         ~~~~~~