#include <iostream>
#include <vector>
#include <string>
#include <algorithm>

using std::vector;
using std::cout;
using std::string;

int main()
{
    vector<int> uniqueNumbers;
    string number;
    cout << "Ingrese el numero: ";
    std::cin >> number;
    vector<int>::iterator it;
    for (char digit: number) {
        int idigit = digit - '0'; // convertir char a int
        // find devuelve un iterador apuntando a last
        it = std::find(uniqueNumbers.begin(), uniqueNumbers.end(), idigit);
        if (it == uniqueNumbers.end()) {
            uniqueNumbers.push_back(idigit);
        }
    }
    // Aqui solo imprimimos el numero...
    cout << "Numero sin repeticiones: ";
    for (int i: uniqueNumbers) {
        cout << i;
    }
    cout << "\n";
    return 0;
}