/in/foo.c: In function 'Findmin':
/in/foo.c:8:19: error: 'i' undeclared (first use in this function)
     printf("%d",a[i]);
                   ^
/in/foo.c:8:19: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c: In function 'main':
/in/foo.c:18:11: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
   scanf("%d",a[i]);
           ^