Question: how do I get this program to work? NOWN 11 1 // Pass by value and pass by reference 2 #include 4 using namespace std;

how do I get this program to work?

NOWN 11 1 // Pass by value and pass by reference 2 #include 4 using namespace std; 5 6 int squareByValue (int); 7 void squareByReference (int&); 8 9 int main() 10 { int x=23 12 int z=4; 13 14 cout

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