C++ Operator Overloading Question:

Operator overloading is:
a) making c++ operator works with objects
b) giving new meaning to existing operator
c) making new operator
d) both a & b

d) both a & b

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The output of this program? #include <iostream> using namespace std; ostream & operator<<(ostream & i, int n) { return i; } int main() { cout << 5 << endl; cin.get(); return 0; } a) 5 b) 6 c) error d) runtime error	Which of the following statements is NOT valid about operator overloading? a) Only existing operators can be overloaded. b) Overloaded operator must have at least one operand of its class type. c) The overloaded operators follow the syntax rules of the original operator. d) None of the mentioned