Which changes introduced independently will allow the code to compile and display 0 0 1...

C++ Institute CPP Question Answer

Which changes introduced independently will allow the code to compile and display 0 0 1 1 8 8 9 9 (choose all that apply)?

#include

using namespace std;

class A {

int a;

public:

A(int a):a(a){}

int getA() const { return a;}

/* Insert Code Here 1 */

};

/* Insert Code Here 2*/

int main(){

A t[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 0 };

operator int() const { return a;} inserted at Place 1

bool operator < (const A & b) const { return a

bool operator < (const A & b) const { return b.a

struct R { bool operator ()(const A & a, const A & b) { return a.getA()

replacing line marked 3 with sets(t, t+10);

replacing line marked 4 with multiset s1(s.begin(),s.end());

replacing line marked 5 with multiset::iterator i=s1.begin();

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