Answer Posted / nishant rai

#include<stdio.h>
#include<conio.h>
void main()
{
int num=0,sum=0,k=0;
pirntf("enter the number\n");
scanf("%d",num);
while(num!=0);
{
k=num%10;
sum=sum+k;
num=num/10;
}
printf("%d",sum);
getch();
}

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