August 11, 2024

# C or C++ Program to Show Sum of a Digit

This article describes about the program Sum of a digit in C/C++. Let us discuss about the digit sum or sub of a digit system.

Digit sum or Sum of a Digit
In mathematics the digit sum of a given integer is the sum of all its digits. That means the digit sum of 65001 is calculated as 6+5+0+0+1 = 12.

Program to Show Sum of a Digit

```#include
#include
int main()
{
clrscr();
long a,k,n,p;
cout<<"This program will show Sum of a given digit."<<endl<<endl;
cout<<"What is the digit ?. Give  a integer number or digit. "<<endl;     cin>>a;
n=a;
p=0;
while(a!=0)
{
k=a%10;
p=p+k;
a=a/10;
}
cout<<endl<<"Sum of given digit "<<n<<" is :"<<p;
getch();
}```

#### Rashedul Alam

I am a software engineer/architect, technology enthusiast, technology coach, blogger, travel photographer. I like to share my knowledge and technical stuff with others.

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## One thought on “C or C++ Program to Show Sum of a Digit”

1. Kamrul Hasan says:

Thanks for such a nice article.