Machine Problem
Design a program that will ask the user to give a number and then the program will compute the sum of all the digits of the given number using while loop statement.
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Program Listing
/* Problem No. 1
Design a program that will ask the user to give a number and then
the program will compute the sum of all the digits of the given
number using while loop statement.
Solution
sum_digits.c
Author : Jake Rodriguez Pomperada, MAED-IT, MIT
Science Research Specialist II Technological University of the Philippines Visayas
Address : Capt. Sabi Street, Talisay City, Negros Occidental, Philippines
Email : jakerpomperada@gmail.com
Tool : Dev C++ Version 5.11
Date : December 25, 2021 9:46 PM Saturday
*/
#include <stdio.h>
int main()
{
long int num=0, r=0, sum=0;
printf("\n\n");
printf("\tSum of Digits Using While Loop Statement in C");
printf("\n\n");
printf("\tGive a Number : ");
scanf("%d",&num);
sum = 0;
while (num !=0){
r = num % 10;
sum+=r;
num/=10;
}
printf("\n");
printf("\tThe total sum of the digits is %d.",sum);
printf("\n\n");
printf("\t\t End of Program");
printf("\n\n");
}