What happens when you attempt to compile and run the following code?
# include <deque>
# include <iostream>
# include <algorithm>
using namespace std;
class B { int val;
public:
B(int v):val(v){} B(){}
int getV() const {return val;} };
ostream & operator <<(ostream & out, const B & v) { out<<v.getV(); return out;} template<class T>struct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out<<val<<" "; } };
int main() {
int t[]={8, 10, 5, 1, 4, 6, 2, 7, 9, 3};
deque<B> d1(t, t+10);
deque<B>::iterator it = lower_bound(d1.begin(), d1.end(), 4);
for_each(it, d1.end(), Out<B>(cout));cout<<endl;
return 0;
}
Program outputs:

• A. compilation error
• B. 4 5 6 7 8 9 10
• C. 1 2 3 4
• D. 1 2 3 4 5 6 7 8 9 10
• E. 8 10 5 1 4 6 2 7 9 3

Which changes, introduced independently, will allow the code to compile and display "one"
"eight" "nine" "ten"? Choose all that apply
#include <iostream>
# include <map>
# include <string>
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"}; map<A, string> m;/* Replace Code Here 3 */
for(int i=0; i<10; i++) {
m.insert(pair<A,string>(A(t[i]),s[i]));
}
m.erase(m.lower_bound(2),m.upper_bound(7));
map<A, string>::iterator i=m.begin(); /* Replace Code Here 4 */
for( ;i!= m.end(); i++) {
cout<<i?>second<<" ";
}
cout<<endl;
return 0;
}

• A. bool operator < (const A & b) const { return a<b.a;} inserted at Place 1
• B. bool operator < (const A & b) const { return b.a<a;} inserted at Place 1
• C. operator int() const { return a;} inserted at Place 1
• D. struct R { bool operator ()(const A & a, const A & b) { return a.getA()<b.getA();} }; inserted at Place 2
  replacing line marked 3 with map<A, string, R> m;
  replacing line marked 4 with map<A, string,R>::iterator i=m.begin();

What happens when you attempt to compile and run the following code?
# include <vector>
# include <iostream>
# include <algorithm>
using namespace std;
template<typename T>class B { T val;
public:
B(T v):val(v){}
T getV() const {return val;} bool operator < (const B & v) const { return val<v.val;} }; template<class T>ostream & operator <<(ostream & out, const B<T> & v) { out<<v.getV(); return out;}
template<class T>struct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out<<val<<" "; } };
bool Less(const B<float> &a, const B<float> &b) { return int(a.getV())<int(b.getV());} int main() {
float t[]={2.28, 1.66, 1.32, 3.94, 3.64, 2.3, 2.98, 1.96, 2.62, 1.13};
vector<B<float> > v1; v1.assign(t, t+10);
stable_sort(v1.begin(), v1.end(), Less);
for_each(v1.begin(), v1.end(), Out<B<float> >(cout));cout<<endl;
return 0;
}
Program outputs:

• A. compilation error
• B. the exact output is impossible to determine
• C. 1.66 1.32 1.96 1.13 2.28 2.3 2.98 2.62 3.94 3.64
• D. 3.94 3.64 2.98 2.62 2.3 2.28 1.96 1.66 1.32 1.13
• E. 1.13 1.32 1.66 1.96 2.28 2.3 2.62 2.98 3.64 3.94

What happens when you attempt to compile and run the following code?
#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
using namespace std;
void myfunction(int i) { cout << " " << i;
}
struct sequence {
int val,inc;
sequence(int s, int i):val(s),inc(i){}
int operator()(){
int r = val; val += inc;
return r;
}
};
int main() {
vector<int> v1(10);
fill(v1.begin(), v1.end(), sequence(1,1));
for_each(v1.begin(), v1.end(), myfunction);
return 0;
}
Program outputs:

• A. compilation error
• B. 1 2 3 4 5 6 7 8 9 10
• C. 0 0 0 0 0 0 0 0 0 0
• D. 10