call by reference c++ example
//call by reference example c++
#include <iostream>
using namespace std;
void swap(int& x, int& y) {
cout << x << " " << y << endl;
int temp = x;
x = y;
y = temp;
cout << x << " " << y << endl;
}
int main() {
int a = 7;
int b = 9;
swap(a, b);
}calling by reference c++
void fun3(int a)
{
a = 10;
}
int main()
{
int b = 1;
fun3(b);
// b is still 1 now!
return 0;
}Copyright © 2021 Codeinu
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