What will happen when you attempt to compile and run the following code?

Last Updated on May 22, 2022 by Admin 2

What will happen when you attempt to compile and run the following code?

#include <iostream>
#include <algorithm>
#include <deque>
using namespace std;
class A 
{
  int a;
public:
    A (int a):a (a) 
    { 
    }
int getA () const 
 {
    return a;
 }
void setA (int a)
 {
   this->a = a;
 }
};
struct Equals
{
   bool operator () (const A & a, const A & b)
    {
      return (a.getA () == b.getA ());
    }          //LINE I
};
int 
main()
{
   int mynumbers[] = { 3, 9, 0, 2, 1, 4, 5, 6, 6, 9, 8, 2 };      
   deque < int > d (mynumbers, mynumbers + 12); 
   deque < int >::iterator it = search_n(d.begin (), d.end(), 2, 1, Equals());  //LINE II 
   cout << it - d.begin () << endl;   //LINE III
   return 0;
}
  • compilation error in LINE II
  • the program outputs12
  • compilation error in LINE I
  • the exception will be thrown at LINE I
  • the program outputs 4
  • the program outputs 3
  • the program outputs 11
  • compilation error in LINE II
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