virtual std::shared_ptr<TaskData> prepare_data(std::size_t n) override
{
auto data = std::make_shared<common::RandomData<item_type>>(n, '0', 'z');
auto space_idx = common::RandomData<int>(n/10, 0, n);
auto d = data->get_mutable();
for (auto i : space_idx.get_const())
d.at(i) = ' ';
d.at(d.size()-1) = '0';
I() << std::string(d.begin(), d.end());
return data;
}
T& get_mutable_as(size_t pos) {
return *reinterpret_cast<T*>(get_mutable(pos));
}
