initialise vector with words

initialise seed with clock

set four random letters to solution vector

insert q before p in lst; return 0 if okay, -1 if not */

inserts element with key x into list

turns an integer into a vector

check if ISBN is valid

check if given vector is solution vector print out number of cows and bulls

determines if a character can be part of a roman numeral

The call to keep_window_open() is needed on some Windows machines to prevent them from closing the window before you have a chance to read the output.

return pointer to room with label lbl, and 0 if no such room exists

intersection between two line segments Returns true if the two segments intersect, in which case intersection is set to the point of intersection

intersection between two line segments Returns true if the two segments intersect, in which case intersection is set to the point of intersection

intersection between two line segments Returns true if the two segments intersect, in which case intersection is set to the point of intersection

intersection between two line segments Returns true if the two segments intersect, in which case intersection is set to the point of intersection

intersection between two line segments Returns true if the two segments intersect, in which case intersection is set to the point of intersection

helper function for loading buttons into a menu

helper function for loading buttons into a menu

returns longest string in a vector of strings

returns largest element of vector argument

returns mean of vector argument

returns median of vector argument

data member

returns smallest element of vector argument

constructor

constructor

increase the Date by n days

constructor

check for valid date and initialize

increase the Date by n days

if possible, move player to room with label lbl