telICQSort

#include <iostream>

int main()
{
    const int arrSize{5};
    int tels[arrSize]{1234,9753,2468,5678,3232};
    int icqs[arrSize]{2222,1111,4444,6666,5555};
    bool correct{false};
    char menu{'a'};
    int tmp;

    do
    {
        do
        {
            std::cout << "\na - List all users\nb - Sort by tel\nc - Sort by icq\nx - Exit\n";
            std::cin >> menu;
            correct = menu == 'a' or menu == 'b' or menu == 'c' or menu == 'x';
            if (!correct)
            {
                std::cout << "\nInvalid menu entry! Try again!\n";
            }
        }while(!correct);

        // do we need to sort something??
        if (menu == 'b' or menu == 'c')
        {
            for(int head{0}; head< arrSize; ++head)
            {
                for(int tail{arrSize-1}; tail>head; --tail)
                {
                    // if we get there so either 'b' or 'c' menu was chosen
                    // so we choice sorting criteria
                    // 'b' - sort by tel, so element swap in BOTH array when tels[tail]<tels[head]
                    // not 'b' in this case - just 'c' - sort by icq, so element swap in BOTH array when icqs[tail]<icqs[head]
                    if((menu == 'b' ? tels[tail]<tels[head] : icqs[tail]<icqs[head]))
                    {
                        tmp = tels[head];
                        tels[head] = tels[tail];
                        tels[tail] = tmp;

                        tmp = icqs[head];
                        icqs[head] = icqs[tail];
                        icqs[tail] = tmp;

                    }
                }
            }
        }
        // display users after sorting or by 'a' menu request, if menu == 'x' do nothing
        if (menu != 'x')
        {
            std::cout << "Tel#\tICQ#\n";
            for(int i{0}; i < arrSize; ++i)
            {
                std::cout << tels[i] << '\t' << icqs[i] << '\n';
            }
        }

    }while (menu != 'x');

    return 0;
}