/in/foo.c: In function 'main':
/in/foo.c:11:10: warning: unused variable 'imin' [-Wunused-variable]
  int min,imin;
          ^~~~
/in/foo.c: In function 'Output':
/in/foo.c:40:12: warning: format '%X' expects argument of type 'unsigned int', but argument 2 has type 'int *' [-Wformat=]
   printf("%X:  %d\n", &a[i], a[i]);
            ^