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how to find sum of digits in C?

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main()
{
int n,i,sum=0,r;
printf("enter the value");
scanf("%d",&n);
for(i=0;i<=5;i++)
{
r=n%10;
n=n/10;
sum=sum+r;
}
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Comments

Bhagwat said…
while(n!=0) is prefect instead of for loop. :-)
June 1, 2008 at 11:27 PM
Chinna said…
swap two nos in one step.....
a = a+b - (a=b);

here b assigning value to a. then a and b value will be the same. in this step it wont swap...if how? let me know
November 6, 2008 at 11:53 PM
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