**Sum of Digits of a Number using while loop**

**Sum of Digits of a Number using while loop**

Write a C++ Program to find Sum of Digits of a Number using while loop. Here’s simple Program to find Sum of Digits of Number using while loop in C++ Programming Language.

* Sum of Digits : :* Sum of digits means addition of all the digits of any number, for example we take any number like 1234. Its sum of all digits is 1+2+3+4=10. Using given code below, we can easily write c++ program .

Here is source code of the C++ Program to find Sum of Digits of a Number using while loop. The C++ program is successfully compiled and run(on Codeblocks) on a Windows system. The program output is also shown in below.

**SOURCE CODE : :**

**SOURCE CODE : :**

/* C++ Program to find Sum of Digits of a Number using while loop */ #include<iostream> using namespace std; int main() { long int a,num,no,sum=0; //----Enter any number which u want -------- cout<<"Enter any integer :: "; cin>>num; no=num; while(no>0) { a=no%10; no=no/10; sum=sum+a; } cout<<"\nSum of Digits of a Number [ "<<num<<" ] :: "<<sum<<"\n"; return 0; }

**Output : :**

**Output : :**

/* C++ Program to find Sum of Digits of a Number using while loop */ Enter any integer :: 123456 Sum of Digits of a Number [ 123456 ] :: 21 Process returned 0

Above is the source code for C++ Program to find Sum of Digits of a Number using while loop which is successfully compiled and run on Windows System.The Output of the program is shown above .

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