Tectonic element types for integer linear table, insert the following elements are inserted into the linear table: & lt; 34 56 20 September 15 5 & gt; 2, whether there is any element in the lookup table 20, 20 and implementation elements elements 9 exchange; 3, according to the subject to code function, achieve linear table element & lt; 34 56 9 20 15 5 & gt; After inversion, namely inversion table should be & lt; 5 15 to 20 9 56 34 & gt; .