/in/foo.c: In function 'main':
/in/foo.c:15:5: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   15 |     else
      |     ^~~~
/in/foo.c:17:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   17 |         printf("%.2f\n", b);
      |         ^~~~~~