1759.cpp

#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
 
vector<char> v;
vector<char> password;
int length, num;
int vowel, conso;
 
void printpw(int start, int cnt)
{
    // 출력
    if (cnt == length)
    {
        vowel = 0;
        conso = 0;
        for (int i = 0; i < password.size(); i++)
        {
            if (password[i] == 'a' || password[i] == 'e' || password[i] == 'i' || password[i] == 'o' || password[i] == 'u')
                vowel++;
            else
                conso++;
        }
        if (vowel >= 1 && conso >= 2)
        {
            for (int i = 0; i < password.size(); i++)
            {
                cout << password[i];
            }
            cout << '\n';
        }
        return;
    }
 
    // 루프돌면서 printpw에 넣어주기
    for (int i = start; i < v.size(); i++)
    {
        password.push_back(v[i]);
        printpw(i + 1, cnt + 1);
        password.pop_back();
    }
    return;
}
 
int main()
{
    cin >> length >> num;
    for (int i = 0; i < num; i++)
    {
        char c;
        cin >> c;
        v.push_back(c);
    }
    sort(v.begin(), v.end());
    printpw(0, 0);
    return 0;
}