Sum of its Individual Digits Repeatedly - MAKAUT / WBUT MCA 2011
18-12-2019    150 times
sum individual digits MAKAUT WBUT MCA

Write a program to accept a number and find sum of its individual digits repeatedly till the result is a single digit. [MAKAUT / WBUT MCA 2011]

Here we use two loop, one for sum the digits and another one use for checkthat sum result.

#include <stdio.h>
int main()
    int no,s=10;
    printf("Enter A No : ");
            s += no%10;
            no /= 10;
    printf("One Digit Sum is %d",s);
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Output :

Enter A No :2345
One Digit Sum is 5

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Arnab De
I have over 16 years of experience working as an IT professional, ranging from teaching at my own institute to being a computer faculty at different leading institute across Kolkata. I also work as a web developer and designer, having worked for renowned companies and brand. Through tutorialathome, I wish to share my years of knowledge with the readers.
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