#include "stdafx.h"
#include "iostream"
#include "conio.h"
#include <set>
#include <string>

using namespace std;

int main(array < System::String ^ >^args)
{

    set < char >simbols;
    set < char >digits;
    char *s1 = "QWERTYUIOPASDFGHJKLZXCVBNM";
    for (int i = 0; i < strlen(s1); i++) {
        simbols.insert(s1[i]);
    }

    int n = 0;
    do {
        cout << "Vvedite kolichestvo slov (ne bolee 10): ";
        cin >> n;
        if ((n <= 0) || (n > 10)) // количество слов
            cout << "Oshibka vvoda" << endl;
    }

    while ((n <= 0) || (n > 10));
    char strs[10][80];
    for (int i = 0; i < n; i++) {
        cout << "Vvedite slovo: ";
        cin >> strs[i];
        cout << strs[i] << " slovo " << endl;
        int tmp = 0;
        for (int j = 0; j < strlen(strs[i]); j++) {
            if (simbols.count(strs[i][j]) == 1) {
                //гласные E Y U I O A

            } else
            {
                cout << "Vstretilsa nedopustimii simvol" << endl;
                i--;
                break;
            }
        }
    }

    cout << " Vivod bykv = ";
    _getch();
    return 0;
}

#include <iostream>
#include <set>
#include <string>

using namespace std;

int main()
{

    string s[2] = {"", ""};
    char v[] = {'A', 'E', 'I', 'O', 'U', 'Y'};
    set<char> vowels (v, v+sizeof v);
    while(!cin.eof()) {
        string w;
        cin >> w;
        if(w.length() > s[0].length()) {
            s[1] = s[0];
            s[0] = w;
        } else if (w.length() > s[1].length()) {
            s[1] = w;
        }
    }
    for(int i=0; i<2; i++) {
        cout << "Слово " << i << "(" << s[i] << ")> ";
        set<char> v1;
        for(string::iterator it = s[i].begin(); it < s[i].end(); it++)
            if(vowels.find(*it) != vowels.end())
                v1.insert(*it);
        for(set<char>::iterator it = v1.begin(); it != v1.end(); it++)
            cout << *it << ' ';
        cout << endl;
    }
    return 0;
}