command line argument as file path now

bnb/main.cpp

@@ -6,12 +6,24 @@
 #include <gp-bnb/partition.hpp>
 #include <gp-bnb/metis_reader.hpp>
 
-int main() {
+int main(int argc, char** argv) {
 
-    // MetisReader example
-    std::string graphFile = "../test/inputs/delaunay_n10.graph";
+    std::string graphFile = argv[1];
     auto g = metis_reader().read(graphFile);
 
-    std::cout << "Number of nodes: " << g.num_nodes() << std::endl;
+    std::cerr << "Number of nodes: " << g.num_nodes() << std::endl;
+
+    auto sol = gp_bnb::solver(g);
+    sol.solve();
+
+    /*
+    int i = 1;
+    for(auto g : sol.best_solution()){
+        
+        std::cerr << i++ << ": " << g << std::endl;
+
+    }
+    */
+
 }