c program to calculate sum of digits, Problem Solving, Adv C

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Question:C program to calculate sum of digits

Answer #include<stdio.h>
int main(){
  int num,sum=0,r;
  printf("Enter a number: ");
  scanf("%d",&num);
  while(num){
      r=num%10;
      num=num/10;
      sum=sum+r;
  }
  printf("Sum of digits of number:  %d",sum);
  return 0;
}
Sample output:
Enter a number: 123
Sum of digits of number:  6

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C program to calculate sum of digits

Question:C program to calculate sum of digits

Answer #include<stdio.h> int main(){ int num,sum=0,r; printf("Enter a number: "); scanf("%d",&num); while(num){ r=num%10; num=num/10; sum=sum+r; } printf("Sum of digits of number: %d",sum); return 0; }Sample output: Enter a number: 123 Sum of digits of number: 6

Answer
#include<stdio.h> int main(){ int num,sum=0,r; printf("Enter a number: "); scanf("%d",&num); while(num){ r=num%10; num=num/10; sum=sum+r; } printf("Sum of digits of number: %d",sum); return 0; }
Sample output: Enter a number: 123 Sum of digits of number: 6