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Exam Code: CPP-22-02
Exam Questions: 230
CPP - C++ Certified Professional Programmer
Updated: 03 Jun, 2025
Question 1

What will happen when you attempt to compile and run the following code?
 #include <iostream>
 #include <string>
 using namespace std;
 template <class T>
 class A {
 T_v;
 public:
 A() {}
 A(T v): _v(v){}
 T getV() { return _v; }
 void add(T & a) { _v+=a; }
 };
 int main()
 {
 A<string>a("Hello"); string s(" world!");
 a.add(s);
 cout << a.getV() <<endl;
 return 0;
 }

Options :
Answer: A
Question 2

What will happen when you attempt to compile and run the following code?
 #include <iostream>
 #include <string>
 using namespace std;
 template <class T>
 class A {
 T_v;
 public:
 A() {}
 A(T v): _v(v){}
 T getV() { return _v; }
 void add(T & a) { _v+=a; }
 };
 int main()
 {
 A<string>a("Hello"); string s(" world!");
 a.add(s);
 cout << a.getV() <<endl;
 return 0;
 }

Options :
Answer: A
Question 3

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
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;
 }
 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 5

What will happen when you attempt to compile and run the following code?
 #include <iostream>
 #include <string>
 using namespace std;
 template <class T>
 class A {
 T_v;
 public:
 A() {}
 A(T v): _v(v){}
 T getV() { return _v; }
 void add(T & a) { _v+=a; }
 };
 int main()
 {
 A<string>a("Hello"); string s(" world!");
 a.add(s);
 cout << a.getV() <<endl;
 return 0;
 }

Options :
Answer: A
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