View Code of Problem 54

#include <iostream>
#include <string>
using namespace std;

int main()
{
	int n, a[100], i;
	cin >> n;
	for (i = 0;; i++)
	{
		a[i] = n % 10;
		n /= 10;
		if (n == 0)
			break;
	}
	int sum = i;
	for (i = sum; i > 0; i--)
		cout << a[i] << " ";
	cout << a[0] << endl;
	return 0;
}