Free CPP-22-02 Mock Exam – Practice Online Confidently

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Exam Code: CPP-22-02
Exam Questions: 230
CPP - C++ Certified Professional Programmer
Updated: 21 Feb, 2026
Question 1

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"};
 map<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(map<int, string>::iterator i=m.begin();i!= m.end(); i++) {
 cout<<i?>second<<" ";
 }
 cout<<m.size();
 return 0;
 }

Options :
Answer: A

Question 2

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:

Options :
Answer: D

Question 3

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

Question 4

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;
 }
 int multiply (int a) {
 return a*2;
 }
 int main() {
 int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 };
 vector<int> v1(t, t+10);
 set<int> s1(t, t+10);
 transform(s1.begin(), s1.end(), v1.begin(), multiply);
 transform(v1.begin(), v1.end(), s1.begin(), multiply);
 for_each(s1.begin(), s1.end(), myfunction);
 return 0;
 }
Program outputs:

Options :
Answer: D

Question 5

What happens when you attempt to compile and run the following code?
 #include <deque>
 #include <iostream>
 #include <algorithm>
 using namespace std;
 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<int> d1(t, t+10);
 sort(d1.begin(), d1.end());
 deque<int>::iterator it = upper_bound(d1.begin(), d1.end(), 4);
 for_each(it, d1.end(), Out<int>(cout));cout<<endl;
 return 0;
}
Program outputs:

Options :
Answer: A

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