-bool majority(const nodes_t &l1, const nodes_t &l2) {
- auto overlap = (size_t)count_if(l1.begin(), l1.end(), bind(isamember, _1, l2));
+bool majority(const nodes_t & l1, const nodes_t & l2) {
+ auto overlap = (size_t)count_if(l1.begin(), l1.end(), std::bind(isamember, _1, l2));