Use namespace std

int main()

{

int a，b，c，m，n；

Cout & lt& lt "Please enter a three-digit integer:";

CIN & gt； & gtn；

a =(int)n/ 100； //Because the type of variable A is an integer, you divide n by 100 to get a floating-point number such as 1.25, so you have to force type conversion.

b =(int)((n-a * 100)/ 10)；

c = n-a * 100-b * 10；

m = c * 100+b * 10+a；

cout & lt& lt" a = " & lt& lta & lt& ltendl

cout & lt& lt" b = " & lt& ltb & lt& ltendl

cout & lt& lt" c = " & lt& ltc & lt& ltendl

cout & lt& lt" m = " & lt& ltm & lt& ltendl

Returns 0;

}