Use a stack to determine if a given string follows a set of syntax rules. This program is an example of how the Stack data structure can be helpful in solving a common problem in computing where a person may forget to close the symbols in the proper order. Our program will use a Stack data structure to ensure the symbols were opened and closed in the correct order.

Suppose you are an ad-serving company and you maintain a log of cookie data for ads you serve to the web pages for a particular vendor (say amazon). a. how can you use this data to determine which are the best ads? b. how can you use this data to determine which are the best ad formats? c. how could you records of past ads and ad clicks to determine which ads to send to a given ip address? d. how could you use this data to determine how well the technique you used in your answer to part c was working? e. how could you use this data to determine that a given ip address is used by more than one person? f. how does having this data give you a competitive advantage vis-à-vis other ad-serving companies?