input number and sum of the digit of the number .
#include<stdio.h>
#include<conio.h>
main ()
{
int rem,rn=0,n,sum=0;
printf("enter the number ");
scanf("%d",&n);
while (n!=0)
{
rem=n%10;
rn = rn*10+rem;
n=n/10;
sum=sum+rem;
}
printf("the reverse of the number is %d", sum);
}
output :
enter the number 4567
the reverse of the number is 22
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