#include <iostream> using namespace std; int main() { int a=10; /*reference variable is alias of other variable, It does not take space in memory*/ int &b = a; cout << endl << "Value of a: " << a; cout << endl << "Value of b: " << b << endl; return 0; }
The output of the above variable is
Value of a: 20 Value of b: 20
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