First Upload

29 - Graphs/ex2.c

@@ -0,0 +1,41 @@
+#include "General.h"
+
+//---------------------------------------------------------------------------------------
+//                            DoesExistPath
+//                            -------------
+//
+// General      : Check if have path from point a to point b in graph with number of arc
+//
+// Parameters   : Graph * a                - the first item.
+//                Graph * b                - the second item.
+//                unsigned int number_road - the number of arc.
+//
+// Return Value : Void
+//
+//---------------------------------------------------------------------------------------
+// Programer    : Cohen Idan
+// Student No.  : 211675038
+// Date         : 04.01.2020
+//---------------------------------------------------------------------------------------
+unsigned int DoesExistPath(Graph * start_point, Graph * end_point, unsigned int number_road)
+{
+    LLL * temp;
+    if (!number_road)
+    {
+        return (start_point == end_point);
+    }
+    else
+    {
+        temp = start_point->list;
+        while (temp && !DoesExistPath(((Arc *)temp->value.pointer)->point, end_point, number_road - ONE))
+        {
+            temp = temp->next;
+        }
+        return (!temp);
+    }
+}
+
+void main(void)
+{
+
+}