adding cs142 code

cs142/test02/Circle.h

@@ -0,0 +1,64 @@
+#ifndef CIRCLE	//Do not modify this line
+#define CIRCLE	//Do not modify this line
+#include <vector>
+//You may add "#include" statements here
+
+using namespace std;	//Do not modify this line
+
+class Circle	//Do not modify this line
+{	//Do not modify this line
+	//You may insert visibility modifiers anywhere within this document
+	//You may declare member variables anywhere within this document
+	//-----------------------------------------------------------------
+    public:
+		Circle();	//Do not modify this line
+		~Circle(){}	//Do not modify this line
+        vector<string> names;
+	//-----------------------------------------------------------------
+		/*
+			getNames
+		
+			Returns a list of names in the order in which the people will be standing for the "game".
+			Although fewer people may be playing, you must return 20 names here. Do not provide 
+			duplicate names.
+			
+			For the sake of the test driver, this method must return the list of 20 names in the 
+			same order every time it is called, and this list of 20 names in this order must be used 
+			to play the "game".
+
+			This method will be called repeatedly.
+		*/
+		vector<string> getNames();	//Do not modify this line
+		//You may not implement this method here; you must do so in a .cpp document
+		
+		/*
+			playGame
+
+			Plays a "game" with the first n people from the list (above) counting forward every m. An 
+			explanation for how the "game" works can be found in the exam specs. 
+	
+			This method should return a list of names in the order in which the lot fell upon them (including 
+			the survivor, who should be last).  If n is not between 10 and 20 or if m is non-positive, 
+			return an empty vector.
+
+			This method will be called repeatedly.
+		*/
+		vector<string> playGame(int n, int m);	//Do not modify this line
+		//You may not implement this method here; you must do so in a .cpp document
+
+		/*
+			reportSafeIndex
+
+			Returns the "safe index", the last index/location in the circle that will be chosen when 
+			the "game" is played. The point of this method is to permit someone to cheat the system 
+			by finding the safe location ahead of time.
+		
+			If n is not between 10 and 20 or if m is non-positive, return -1.
+
+			This method may be called repeatedly.
+		*/
+		int reportSafeIndex(int n, int m);	//Do not modify this line
+		//You may not implement this method here; you must do so in a .cpp document
+	//-----------------------------------------------------------------
+};		//Do not modify this line
+#endif	//Do not modify this line