this program intend to create a class robot, which contains multiple Nodes of the robots' location, they all in a 400*400 bitmap, and they can move by inputing time Also it have a print function to print the bitmap.
class Robot
bool move(int,double,double); //move the index of num robot, return false if not exist
void addRobot(); // add an Robot
bool delRobot(int); //delete the robot that index of num, return false if not exist
void timepass(int); //according to the time move all the robots
void print(); //print the bitmap as ASCII characters