Return by Reference
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#include<iostream>
using namespace std;
int& modify()
{
static int x;
cout <<"x =" <<x<<endl;
return x;
}
int& modify1()
{
static int i=50;
return i;
}
int& modify2()
{
static int a =500; //a local variable can also be used here with a warning
return a;
}
int main()
{
modify() = 100;
modify()=200;
modify()=300;
int& a = modify1();
cout<<"a= "<<a<<endl;
int xx= modify2();
cout<<"xx= "<<xx;
}
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