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Exam Code: CPP-22-02
Exam Questions: 230
CPP - C++ Certified Professional Programmer
Updated: 06 Jan, 2026
Question 1

What happens when you attempt to compile and run the following code?
 #include <iostream>
 #include <algorithm>
 #include <vector>
 using namespace std;
 class A {
 int apublic:
 A(int a) : a(a) {}
 int getA() const { return a; } void setA(int a) { this?>a = a; }
 bool operator==(A & b) { return a == b.a; }
 };
 struct Compare{
 bool operator()(const A & a, const A & b) {return a.getA()==b.getA();};
 };
 int main () {
 int t[] = {1,2,3,4,5,1,2,3,4,5};
 vector<A> v (t,t+10);
 vector<A>::iterator it;
 A m1[] = {A(1), A(2), A(3)};
 it = search (v.begin(), v.end(), m1, m1+3, Compare());
 cout << "First found at position: " << it?v.begin() << endl;
 return 0;
 }
Program outputs:

Options :
Answer: B
Question 2

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:

Options :
Answer: A
Question 3

What happens when you attempt to compile and run the following code?
 #include <iostream>
 #include <map>
 #include <string>
 using namespace std;
 int main(){
 int second[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 10 };
 string first[] = {"three", "four", "two", "one", "six","five", "seven", "nine","eight"," ten"};
 multimap<int,string> m;
 for(int i=0; i<10; i++) {
 m.insert(pair<int,string>(second[i],first[i]));
 }
 if (m[11] == "eleven") {
 cout<<"eleven ";
 }
 for(multimap<int, string>::iterator i=m.begin();i!= m.end(); i++) {
 cout<<i?>second<<" ";
 }cout<<m.size();
 return 0;
 }

Options :
Answer: A
Question 4

What happens when you attempt to compile and run the following code?
 #include <iostream>
 #include <set>
 #include <vector>
 using namespace std;
 int main(){
 int t[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 0 };
 vector<int>v(t, t+10);
 multiset<int> s1(v.begin(),v.end());
 s1.insert(v.begin(),v.end());
 pair<multiset<int>::iterator,multiset<int>::iterator> range;
 range = s1.equal_range(6);
 while (range.first != range.second) {
 cout<<*range.first<<" "; range.first++;
 }
 return 0;
 }

Options :
Answer: A
Question 5

What happens when you attempt to compile and run the following code?
 #include <list>
 #include <iostream>
 using namespace std;
 template<class T>
 void print(T start, T end) {
 while (start != end) {
 std::cout << *start << " "; start++;
 }
 }
 int main()
 {
 int t1[] ={ 1, 7, 8, 4, 5 };
 list<int> l1(t1, t1 + 5);
 int t2[] ={ 3, 2, 6, 9, 0 };
 list<int> l2(t2, t2 + 5);
 l1.sort();
 list<int>::iterator it = l2.begin();
 it++; it++;
l1.splice(l1.end(),l2, it, l2.end());
 print(l1.begin(), l1.end()); cout<<"Size:"<<l1.size()<<" ";
 print(l2.begin(), l2.end()); cout<<"Size:"<<l2.size()<<endl;
 return 0;
 }

Options :
Answer: A
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