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Question: what is the output of the following program include ltiostreamgt...

Question details
  1. What is the output of the following program?

         #include <iostream>

         using namespace std;

         int main()

         {

             double arr [7] = {12.5, 10.0, 17.5, 1.7, 80.7, 8.1, 10.7};

             double *ptr1;

             double *ptr2;

              ptr1 = arr;

              ptr2 = &arr [4];

             cout<<*ptr1<<endl;

             cout<<*ptr2<<endl;

             cout<<(ptr2-ptr1)<<endl;

             cout<<(ptr2-ptr1)<<endl;

             return 0;

         }

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