Write a progra that take a number consisting of 3 digit and display sum of all digit

 #include<iostream.h>

#include<conio.h>

void main()

{

clrscr();

int n,c,d;

cout<<"Enter 3-digit number:"<<endl;

cin>>n;

c=n/100;

n=n%100;

d=n/10;

n=n%10;

cout<<"Sum of digit is "<<n+d+c;

getch();

}