[lemma=exchange | □]
[lemma=exchange | □=□]
[lemma=exchange | □ & □]
Your algorithm must run in linear time , can only exchange elements , and has just one additional variable to hold one of the elements - - in particular , it cannot use counters to count the number of elements of each color . In this phase , you are to use the grammar from phase 1 to build an expression tree for each expression in the input . Eligibility for retention on the re-employment lists shall extend to a maximum of l8 months from the effective date of separation for all represented employees . The Director of the Human Resources Department , or the Director ’ s designee , may review the Committee ’ s final questions and may amend them in order to ensure the questions are job related . Results of the competition will be announced individually to participants in advance of KDD ; public announcement of results will be during the opening ceremony of KDD . Pierpont 's subjects include both the lesser known ( 19th century South African novelist Olive Schriner ) and the wildly popular ( Gone With the Wind author Margaret Mitchell ) . Exchanging homework solutions is cheating .