Added gitignore among other things

lab3/functions.hpp

@@ -1,3 +1,6 @@
+#pragma once
+#define _USE_MATH_DEFINES // for C++  
+#include <math.h>  
 
 std::vector<double> c = {0.806,0.517,0.1,0.908,0.965,0.669,0.524,0.902,0.351,0.876,0.462,
                          0.491,0.463,0.741,0.352,0.869,0.813,0.811,0.0828,0.964,0.789,0.360,0.369,

lab3/iterative_local_search.hpp

@@ -59,6 +59,8 @@ public:
                 global_best_solution = best_solution;
             }
         }
+
+		return func.compute(global_best_solution);
     };
 };