The implementation for the priority queue in this chapter starts by modifying the Heap class so that the order of the elements can be determined by the programmer.Earlier the heap kept the highest value on the top of the container, but now it willbe altered to allow for either the highest or the lowest. The changes made to thisclass involve specifying another template parameter, which will be used for thecomparison operator. Altering the push() and pop() functions to make use of the comparison operator instead of assuming that the largest value element will be on top. use c++ to code.

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