Sum of Digits in C++

Sum of Digits means Sum of Digits !!

123 = 1+2+3

111 = 1+1+1

Before moving to program, Let’s see a algorithm to understand better what we are going to

Steps

1. Get Number by User/ or Already defined it

2. Get the remainder/modulus of that number

3. Sum the remainder of the number

4. Divide the number of 10 to get the quotient

5. Repeat the step 2 until number is greater than 0.

Program to find out sum of digits in c++ language

• · #include <iostream>

• · using namespace std;

• · int main()

• · {

• · int n,sum=0,m;

• · cout<<"Enter a number: ";

• · cin>>n;

• · while(n>0)

• · {

• · m=n%10;

• · sum=sum+m;

• · n=n/10;

• · }

• · cout<<"Sum is= "<<sum<<endl;

• · return 0;

• · }

Ouput –

Enter a number: 62

Sum is= 8

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