You are here:   HomeC Programming (Theory)Control Structures in CC Program Sum of digits of number repeatedly to obtain a single-digit number
by Dinesh Thakur Category: Control Structures

 

 

#include<stdio.h>

#include<conio.h>
void main()
{
int k=l,total=0;
int num;
printf("\n How many numbers?");
scanf("%d",&num);
do
{
total=total+k;
k=k+1;
}
while(k<=num);
printf("\n Total of %d is %d.",num,total);
getch();
}
 
OUTPUT:
 
How many numbers? 10
Total of 10 is 55.


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About Dinesh Thakur

Dinesh ThakurDinesh Thakur holds an B.SC (Computer Science), MCSE, MCDBA, CCNA, CCNP, A+, SCJP certifications. Dinesh authors the hugely popular Computer Notes blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. For any type of query or something that you think is missing, please feel free to contact us.



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