Answer to Question #22526 in C++ for Otis
int sumDigits (long n)
Write a test program that prompts the user to enter an integer and display the sum of all its digits.
using namespace std;
int sumDigits(long n)
int result = 0;
while (n != 0)
digit = n % 10;
result += digit;
n /= 10;
cout << "Enter an integer number: ";
cin >> n;
cout << "The sum of its digits is: " << sumDigits(n) << endl;
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