Program to input three number and print their sum of digits in C.

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In this program we input three numbers and print their sum of digit. First we find 1st digit by (n/100), 2nd digit by(n/10)%10 and 3rd digit by (n%10). Then finally sum of digits.

#include<stdio.h>
#include<conio.h>
void main()
{
int n,d1,d2,d3,s=0;
clrscr();
printf("Enter three digit number=");
scanf("%d",&n);
d1=(n/100);
d2=(n/10)%10;
d3=n%10;
s=d1+d2+d3;
printf("\nSum of digits=%d",s);
getch();
}

OUTPUT 

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