c++ highlighting test

#include <deque>
#include <iostream>

int main()
{
    std::deque<int> d;
    for (int i = 0; i < 100; ++i)
    {
        d.push_back(i);
        if (d.size() > 10)
        {
            d.pop_front();
        }
        for (size_t j = 0; j < d.size(); ++j)
        {
            std::cout << d[j] << ' ';
        }
        std::cout << std::endl;
    }
}