4.0 Function without argument, but return the value #include using namespace std; int AddNo(); int main() { int c; c = AddNo(); cout < b;

4.0 Function without argument, but return the value

#include using namespace std; int AddNo();

int main() { int c; c = AddNo(); cout<<"The answer is : "<>a; cin>>b; return (a+b); }

4.1 Explain what the program does.

4.2 What is the output?