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Exam2_Review.4 - CPSC 121 Exam 2 Review d declare a new...

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CPSC 121 Exam 2 Review d. declare a new name for an existing variable e. None of the above Short answer 19. What is wrong with this code fragment? ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ try { //some code goes here } catch(…) { cerr << “Exception!\n”; keep_window_open(); return 1; } catch(const logic_error& e) { cerr << “Logic error: “ << e.what() << “\n”; keep_window_open(); return 2; } 20. Write a function (call it swapie( )) that takes two doubles as arguments and swaps their values; i.e., if x == 14 and y == 7 before you call swapie( ), then after you call swapie( ) x == 7 and y == 14. ___________________________________________________________________________________ ___________________________________________________________________________________
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