What is the output of the following code? include iostream void fun(int &x) { r = 10; } int main() { int r = 20; fun(r); cout 'New value of r is ' r; return 0; }

What is the output of the following code?

include iostream
void fun(int &x)
{
r = 10;
}
int main()
{
int r = 20;
fun(r);
cout "New value of r is " r;
return 0;
}

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What is the output of the following code? include iostream void fun(int &x) { r = 10; } int main() { int r = 20; fun(r); cout "New value of r is " r; return 0; }