#include <algorithm>
#include <vector>
#include <ctime>

const size_t iter_count = 10000;
const size_t data_size = 10000;

int range_rand(int lo, int hi)
{
    return lo + rand() / (RAND_MAX / (hi - lo + 1) + 1);
}

class SomeClass
{
public:
    SomeClass(size_t data_size)
        : data_size_(data_size)
        , data_(data_size)
    {
        std::generate(data_.begin(), data_.end(), rand);
        std::sort(data_.begin(), data_.end());
    }

    void doSomethingUseful()
    {
        data_.clear();
    }
private:
    const size_t data_size_;
    std::vector<int> data_;
};

void test1()
{
    for (size_t i = iter_count; i > 0; --i)
    {
        SomeClass c(data_size);
        if (0 == i % 10) //if (x == y)
        {
            c.doSomethingUseful();
        }
    }
} // test1()

void test2()
{
    for (size_t i = iter_count; i > 0; --i)
    {
        if (0 == i % 10) //if (x == y)
        {
            SomeClass c(data_size);
            c.doSomethingUseful();
        }
    }
} // test2()

int main(int argc, char* argv[])
{
    srand(time(NULL));
    if (argc > 1)
    {
        test1();
    }
    else
    {
        test2();
    }
}