Question: EXPLAIN WITH RESPECT TO C++ IN DETAIL AND WITH CODE EXAMPLES IF NEEDED 12. Passing parameters as references improves execution efficiency in many cases. Why?

EXPLAIN WITH RESPECT TO C++ IN DETAIL AND WITH CODE EXAMPLES IF NEEDEDEXPLAIN WITH RESPECT TO C++ IN DETAIL AND WITH CODE EXAMPLES IF

12. Passing parameters as references improves execution efficiency in many cases. Why? 13. There is a problem with the following function. What is it? int& exam_question( int x ) { int y; y = x * x 18 * x + 7; return y

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