Which operator cannot be overloaded in C++?

What will be the output of the following C++ code?

What will be the output of the following C program?

#include<stdio.h>

void main()

{

int arr[10] = {1, 2, 3, 4, 5};

printf("%d", arr[5]);

}

#include<stdio.h>

int main()

{

      int i=0;

      for (i=0;i==0;i++)

      {

              printf("%d",i);

      }

      return 0;

}

  Which of the following is the main drawback of FIFO page replacement algorithm?
 

 The size_t integer type in C++ is?


#include <iostream>
using namespace std;

int main ()
{
 for (int n=10; n>0; n--)
 {
   cout << n << ", ";
   if (n==3)
   {
     cout << "countdown aborted!";
     break;
   }
 }
}

What is the return value of the strxfrm() function?

Which of the following statements about virtual functions in C++ is true?