auto overlap = (size_t)count_if(l1.begin(), l1.end(), std::bind(isamember, _1, l2));
return overlap >= (l1.size() >> 1) + 1;
}
auto overlap = (size_t)count_if(l1.begin(), l1.end(), std::bind(isamember, _1, l2));
return overlap >= (l1.size() >> 1) + 1;
}