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We offer the latest CPP-22-02 practice test designed for free and effective online CPP - C++ Certified Professional Programmer certification preparation. It's a simulation of the real CPP-22-02 exam experience, built to help you understand the structure, complexity, and topics you'll face on exam day.

Exam Code: CPP-22-02
Exam Questions: 230
CPP - C++ Certified Professional Programmer
Updated: 08 Jul, 2025
Viewing Page : 1 - 23
Practicing : 1 - 5 of 230 Questions
Question 1

What happens when you attempt to compile and run the following code?
 #include <vector>
 #include <set>
 #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<<" "; } };
 struct Sequence {
 int start;
 Sequence(int start):start(start){}
 int operator()() { return start++; } };
 int main() {
 vector<int> v1(10);
 generate_n(v1.begin(), 10, Sequence(1));
 random_shuffle(v1.rbegin(), v1.rend());
 sort(v1.begin(), v1.end(), great<int>());
 for_each(v1.begin(), v1.end(), Out<int>(cout));cout<<endl;
 return 0;
 }
Program outputs:

Options :
Answer: C
Question 2

What happens when you attempt to compile and run the following code?
 #include <iostream>
 using namespace std;
 template<class A>
 void f(A a)
 {
 cout<<1<<endl;
 }
 void f(int a)
 {
 cout<<2<<endl;
 }
 int main(){
 int a = 1;
 f<float>(a);
 return 0;
 }

Options :
Answer: A
Question 3

What happens when you attempt to compile and run the following code?
 #include <vector>
 #include <iostream>
 #include <algorithm>
 using namespace std;
 class B { int val;
 public:B(int v):val(v){}
 int getV() const {return val;} bool operator < (const B & v) const { return val<v.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() {
 B t1[]={3,2,4,1,5};
 B t2[]={6,10,8,7,9};
 vector<B> v1(10);
 sort(t1, t1+5);
 sort(t2, t2+5);
 merge(t1,t1+5,t2,t2+5,v1.begin());
 for_each(v1.begin(), v1.end(), Out<B>(cout));cout<<endl;
 return 0;
 }
Program outputs:

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 <iostream>
 using namespace std;
 int main ()
 {
 float f1 = 10.0;
 float f2 = 10.123;
 cout<<noshowpoint<<f1<<" "<<f2;
 return 0;
 }
Program outputs:

Options :
Answer: D
Viewing Page : 1 - 23
Practicing : 1 - 5 of 230 Questions

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