ch3_7.cc

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#include "Ackermann.hh"
 
int main(int argc, char const *argv[])
{
    // Configure
    bool recEn = true, stkEn = true;
    int x, y;
 
    // time
    time_t rawtime;
    struct tm *timeinfo;
 
    time(&rawtime);                                                 // Get the current calendar time
    timeinfo = localtime(&rawtime);                                 // Convert time_t to tm as local time
    printf("Current local time and date: %s\n", asctime(timeinfo)); // Convert tm structure to string
 
    if (argc > 3)
    {
        if (!strcmp("-s", argv[3])) // 用户指定用堆栈
            recEn = false;
 
        if (!strcmp("-r", argv[3])) // 用户指定用系统栈
            stkEn = false;
    }
 
    if (argc > 2)
    {
        x = atoi(argv[1]);
        y = atoi(argv[2]);
 
        if (stkEn)
            Akm_t::Akm_loop(x, y);
 
        if (recEn)
            Akm_t::Akm_rec(x, y);
 
        return 0;
    }
 
    do
    {
        std::cout << "Input [m n]: ";
        std::cin >> x >> y;
        if (std::cin.fail())
        {
            std::cin.clear();
            std::cin.sync();
            continue;
        }
 
        break;
    } while (true);
 
    if (stkEn)
        Akm_t::Akm_loop(x, y);
 
    if (recEn)
        Akm_t::Akm_rec(x, y);
 
    return 0;
}