What is the output? #include using namespace std; void func(int &x){ x=x*2; } int main(){ int a=5; func(a); cout

(B) 10. Explanation: x is passed by reference; x=x*2 modifies a directly. Output: 10.

Question

What is the output?
#include<iostream>
using namespace std;
void func(int &x){ x=x*2; }
int main(){
  int a=5;
  func(a);
  cout<<a;
}

Accepted Answer

(B) 10. Explanation: x is passed by reference; x=x*2 modifies a directly. Output: 10.