/in/foo.c: In function 'main':
/in/foo.c:13:16: warning: missing terminating " character
   13 |         printf("%d\n,sum);
      |                ^
/in/foo.c:13:16: error: missing terminating " character
   13 |         printf("%d\n,sum);
      |                ^~~~~~~~~~~
/in/foo.c:14:9: error: expected expression before 'return'
   14 |         return 0;
      |         ^~~~~~
/in/foo.c:14:18: error: expected ';' before '}' token
   14 |         return 0;
      |                  ^
      |                  ;
   15 | }
      | ~