LISP: rotate matrix and Lifo stack

[login to view URL] a LIFO data structure and basic functions (adding element, element removal, display). [login to view URL] a function that takes as parameter an nxn matrix and rotates clockwise by 90 degrees. > (Rotate90 # 2A ((ab) (cd))) > # 2A ((CA) (DB)) ## Deliverables Rent A Coder requirements notice: As originally posted, this bid request does not have complete details. Should a dispute arise and this project go into arbitration "as is", the contract's vagueness might cause it to be interpreted against you, even though you were acting in good-faith. So for your protection, if you are interested in this project, please work-out and document the requirements onsite. offer 100% and more bonus