Improved debug output

main.cpp

@@ -369,6 +369,7 @@ void fill_ranks(vector<MyFunction> monomials) {
             used_map[val] = total_ranks;
             ranks.back().push_back(cur_fn);
         }
+        cout << "remains: " << functions_remains << endl;
         save_rank(total_ranks, ranks.back());
         cout << "size for rank " << total_ranks << " is " << ranks.at(total_ranks).size() << endl;
     }