Which changes introduced independently will allow the code to compile and display “one” “eight” “nine”...

Which changes introduced independently will allow the code to compile and display “one” “eight” “nine” “ten”? Choose all that apply.

#include

#include

#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(){

int t[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 10 };

string s[] = {"three", "four", "two", "one", "six","five", "seven", "nine","eight","ten"};

multimap m;/* Replace Code Here 3 */

for(int i=0; i<10; i++) {

m.insert(pair(A(t[i]),s[i]));

}

m.erase(m.lower_bound(2),m.upper_bound(7));

multimap::iterator i=m.begin();/* Replace Code Here 4 */

for( ; i!= m.end(); i++) {

cout<second<<" ";

}

cout<

return 0;

}