/in/foo.c: In function 'main':
/in/foo.c:33:19: warning: 'x2' may be used uninitialized [-Wmaybe-uninitialized]
   33 |             else  printf("%.2f\n,%.2f\n",x1,x2);
      |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.c:4:14: note: 'x2' was declared here
    4 | {   float x1,x2;
      |              ^~
/in/foo.c:33:19: warning: 'x1' may be used uninitialized [-Wmaybe-uninitialized]
   33 |             else  printf("%.2f\n,%.2f\n",x1,x2);
      |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.c:4:11: note: 'x1' was declared here
    4 | {   float x1,x2;
      |           ^~