Sum of digits program in C

Sum of digits program in C:

C program to sum each digit: We can write the sum of digits program in c language by the help of loop and mathematical operation only.

Sum of digits algorithm

To get sum of each digits by c program, use the following algorithm:

Step 1: Get number by user
Step 2: Get the modulus/remainder of the number
Step 3: sum the remainder of the number
Step 4: Divide the number by 10
Step 5: Repeat the step 2 while number is greater than 0.

Let’s see the sum of digits program in C.

#include<stdio.h>

int main()

{

int n,sum=0,m;

printf(“Enter a number:”);

scanf(“%d”,&n);

while(n>0)

{

m=n%10;

sum=sum+m;

n=n/10;

}

printf(“Sum is=%d”,sum);

return 0;

}

Output:

Enter a number:654
Sum is=15

Enter a number:123
Sum is=6

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Sum of digits program in C:

Sum of digits algorithm

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