/in/foo.c: In function 'main':
/in/foo.c:27:25: error: redefinition of 'a'
   27 |                    int  a=n%10;
      |                         ^
/in/foo.c:5:11: note: previous definition of 'a' with type 'int'
    5 |     int n,a=0,b=0,c=0,d=0,e=0;
      |           ^
/in/foo.c:28:29: error: redefinition of 'b'
   28 |                         int b=(n/10)%10;
      |                             ^
/in/foo.c:5:15: note: previous definition of 'b' with type 'int'
    5 |     int n,a=0,b=0,c=0,d=0,e=0;
      |               ^
/in/foo.c:29:29: error: redefinition of 'c'
   29 |                         int c=(n/100)%10;
      |                             ^
/in/foo.c:5:19: note: previous definition of 'c' with type 'int'
    5 |     int n,a=0,b=0,c=0,d=0,e=0;
      |                   ^
/in/foo.c:30:29: error: redefinition of 'd'
   30 |                         int d=(n/1000)%10;
      |                             ^
/in/foo.c:5:23: note: previous definition of 'd' with type 'int'
    5 |     int n,a=0,b=0,c=0,d=0,e=0;
      |                       ^
/in/foo.c:31:29: error: redefinition of 'e'
   31 |                         int e=(n/10000)%10;
      |                             ^
/in/foo.c:5:27: note: previous definition of 'e' with type 'int'
    5 |     int n,a=0,b=0,c=0,d=0,e=0;
      |                           ^
/in/foo.c:34:57: warning: format '%d' expects a matching 'int' argument [-Wformat=]
   34 |                                 printf("%d %d %d %d %d %d\n",e,d,c,b,a);
      |                                                        ~^
      |                                                         |
      |                                                         int
/in/foo.c:35:57: warning: format '%d' expects a matching 'int' argument [-Wformat=]
   35 |                                 printf("%d %d %d %d %d %d\n",a,b,c,d,e);
      |                                                        ~^
      |                                                         |
      |                                                         int