Split an Integer into its digits c++

Question

I\'m trying to learn c++ on my own and I\'ve hit a bit of a road block. The problem is I need to take an integer,split it into its digits and get the sum of the digits and

Answer 1

A simple solution:

int n = 12345;
vector digits;
while (n != 0) {
    digits.insert(digits.begin(), n%10);
    n /= 10;
}
for(auto & i : digits)
    cout << i << " ";

output: 1 2 3 4 5