View Compilation Error

0_0_16836323_18061.c:23:9: error: expected declaration specifiers or '...' before string constant
  printf("%d\n",d);
         ^
0_0_16836323_18061.c:23:16: error: unknown type name 'd'
  printf("%d\n",d);
                ^
0_0_16836323_18061.c:24:3: error: expected '=', ',', ';', 'asm' or '__attribute__' before '--' token
  n--;
   ^
0_0_16836323_18061.c:25:2: error: expected identifier or '(' before '}' token
  }
  ^
0_0_16836323_18061.c:26:2: error: expected identifier or '(' before 'return'
  return 0;
  ^
0_0_16836323_18061.c:27:1: error: expected identifier or '(' before '}' token
 }
 ^