Dev - C++ - abecedario en c++ con arreglo

#include <iostream>

#include <vector>

using namespace std;

int main()

{

    vector<char> v;

    for( char i = 'A'; i <= 'Z'; i++ ){

        v.push_back( i );

    }

    vector<char>::size_type sz = v.size();

    cout << "\nVocales: ";

    for( unsigned i = 0; i < sz; i++ )

        if( v[i] == 'A' || v[i] == 'E' || v[i] == 'I' ||

            v[i] == 'O' || v[i] == 'U')

            cout << v[i] << " ";

    cout << "\n\nConsonantes: ";

    for( unsigned i = 0; i < sz; i++ )

        if( v[i] != 'A' && v[i] != 'E' && v[i] != 'I' &&

            v[i] != 'O' && v[i] != 'U')

            cout << v[i] << " ";

    cout << endl;

    return 0;

}