C language sets the initial value of plastic variable A to 748, and writes programs to output the unit, tens and hundreds of digits of A in turn.
Invalid? Master ()
{
int？ a = 748
Charles? g，s，b；
g = a % 10；
s = a/ 10% 10；
b = a/ 100；
printf("%d，%d，%d "，g，s，b)；
}