#include <iostream>
#include <ctime>

int main(int argc, char* argv[])
{
    int l_returnflag = 0;
    int l_linestatus = 0;
    
    int col1;
    int col2;
    int col3;
    int col4;
    __int64 col5;
    __int64 col6;
    __int64 col7;

    int l_quantity = 10;
    int l_extendedprice = 10;
    int l_discount = 1;
    int l_tax = 1;
    __int64 count = 0;

    int l_shipdate ;

    clock_t start_clock = std::clock();

    for(; count < 6000000000; count++) //l_shipdate <= 19980902
    {
        if(l_shipdate <= 19980902)
        {
            //col1
            col1 += l_quantity;      //sum(l_quantity) as sum_qty,
            col2 += l_extendedprice;    //sum(l_extendedprice) as sum_base_price,
            col3 += l_extendedprice * (1 - l_discount); // sum(l_extendedprice * (1 - l_discount)) as sum_disc_price,
            col4 += l_extendedprice * (1 - l_discount) * (1 + l_tax); //sum(l_extendedprice * (1 - l_discount) * (1 + l_tax)) as sum_charge,
            col5 += l_quantity; //avg(l_quantity) as avg_qty,
            col6 += l_extendedprice; //avg(l_extendedprice) as avg_qty,
            col7 += l_discount; //avg(l_discount) as avg_qty,
        }
    }

    col5 /= count;
    col6 /= count;
    col7 /= count;

    std::cout << "Затрачено времени в секундах: " << (std::clock() - start_clock) / CLOCKS_PER_SEC << std::endl;
    std::cout << "Результат агрегации:" << std::endl;
    std::cout << "     " << col1 << ' ' <<  col2 << ' ' << col3 << ' ' << col4 << ' ' << col5 << ' ' << col6 << ' ' << col7 << std::endl;

    return 0;
}

#include <iostream>
#include <ctime>
#include <string.h>

#define DATA_WINDOW_SIZE 1000000

int main(int argc, char* argv[])
{
    int l_returnflag = 0;
    int l_linestatus = 0;
    
    int col1;
    int col2;
    int col3;
    int col4;
    __int64 col5;
    __int64 col6;
    __int64 col7;

    int l_quantity = 10;
    int l_extendedprice = 10;
    int l_discount = 1;
    int l_tax = 1;
    __int64 count = 0;

    int l_shipdate ;

    int *a_prices = new int[DATA_WINDOW_SIZE];    

    clock_t start_clock = std::clock();

    memset(a_prices, 0, sizeof(int) * DATA_WINDOW_SIZE);

    for(; count < 6000000000; count++) //l_shipdate <= 19980902
    {
        if(l_shipdate <= 19980902)
        {
            //col1
            col1 += l_quantity;      //sum(l_quantity) as sum_qty,
            col2 += a_prices[count % DATA_WINDOW_SIZE];    //sum(l_extendedprice) as sum_base_price,
            col3 += l_extendedprice * (1 - l_discount); // sum(l_extendedprice * (1 - l_discount)) as sum_disc_price,
            col4 += l_extendedprice * (1 - l_discount) * (1 + l_tax); //sum(l_extendedprice * (1 - l_discount) * (1 + l_tax)) as sum_charge,
            col5 += l_quantity; //avg(l_quantity) as avg_qty,
            col6 += l_extendedprice; //avg(l_extendedprice) as avg_qty,
            col7 += l_discount; //avg(l_discount) as avg_qty,
        }
    }

    col5 /= count;
    col6 /= count;
    col7 /= count;

    std::cout << "Затрачено времени в секундах: " << (std::clock() - start_clock) / CLOCKS_PER_SEC << std::endl;
    std::cout << "Результат агрегации:" << std::endl;
    std::cout << "     " << col1 << ' ' <<  col2 << ' ' << col3 << ' ' << col4 << ' ' << col5 << ' ' << col6 << ' ' << col7 << std::endl;

    return 0;
}