CPP C++ Institute C++ Certified Professional Programmer Free Practice Exam Questions (2025 Updated)
Prepare effectively for your C++ Institute CPP C++ Certified Professional Programmer certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.
What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
void myfunction(int i) {
cout << " " << i;
}
int main() {
int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 };
vector
copy_backward(t, t+10, v1.rend());
for_each(v1.begin(), v1.end(), myfunction);
return 0;
}
Program outputs:
What happens when you attempt to compile and run the following code?
#include
using namespace std;
template
void g(int a)
{
cout< } template void g(A a) { cout< } int main() { int a = 1; g(a); return 0; }
What happens when you attempt to compile and run the following code?
#include
#include
#include
#include
using namespace std;
template
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out< int main() { int t[]={3,2,4,1,5,6,10,8,7,9}; vector for_each(v1.begin(), v1.end(), bind1st(plus for_each(v1.rbegin(), v1.rend(), Out return 0; } Program outputs:
What will happen when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
template
while (start != end) {
std::cout << *start << " "; start++;
}
}
int main(){
vector
set
for(int i=10; i>0; i??) {
v.push_back(i);
s.push_back(i);
}
print(v.begin(), v.end()); print(s.begin(), s.end());cout< return 0; } The output will be:
What happens when you attempt to compile and run the following code?
#include
#include
#include
#include
using namespace std;
template
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out< int main() { string t[]={"aaa","Aaa", "aAa","aaA","bbb","Bbb", "bBb", "bbB"}; vector sort(v1.begin(), v1.end()); for_each(v1.begin(), v1.end(), Out return 0; } Program outputs:
What happens when you attempt to compile and run the following code?
#include
#include
#include
#include
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< template ostream & out; Out(ostream & o): out(o){} void operator() (const T & val ) { out< int main() { B t[]={3,2,4,1,5,10,9,7,8,6}; vector v1(t,t+10); cout<<*max_element(v1.begin(), v1.end(), greater()); cout< return 0; } Program outputs:
What happens when you attempt to compile and run the following code?
#include
#include
#include
#include
using namespace std;
class B { int val;
public:
B(int v=0):val(v){}
int getV() const {return val;}
B operator ?(const B &b )const { return B(val ? b.val);}};
ostream & operator <<(ostream & out, const B & v) { out< template ostream & out; Out(ostream & o): out(o){} void operator() (const T & val ) { out< int main() { B t1[]={1,2,3,4,5,6,7,8,9,10}; B t2[]={1,2,3,4,5,6,7,8,9,10}; vector v1(t1, t1+10); vector v2(t2, t2+10); vector v3(10); transform(v1.begin(), v1.end(), v2.rbegin(), v3.begin(), minus()); for_each(v3.rbegin(), v3.rend(), Out(cout));cout< return 0; } Program outputs:
What happens when you attempt to compile and run the following code?
#include
#include
#include
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
for(int i=0; i<10; i++) {
m.insert(pair
}
if (m[11] == "eleven") {
cout<<"eleven ";
}
for(multimap
cout<
}
cout< return 0; }
What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
class B { int val;
public:
B(int v=0):val(v){}
int getV() const {return val;}
operator int () const { return val;} };
ostream & operator <<(ostream & out, const B & v) { out< template ostream & out; Out(ostream & o): out(o){} void operator() (const T & val ) { out< struct Add { B operator()(B & a, B & b) { return a+b; } }; int main() { B t[]={1,2,3,4,5,6,7,8,9,10}; vector v1(t, t+10); vector v2(10); transform(v1.begin(), v1.end(), v2.begin(), bind2nd(Add(),1)); for_each(v2.rbegin(), v2.rend(), Out(cout));cout< return 0; } Program outputs:
What happens when you attempt to compile and run the following code?
#include
#include
#include
#include
#include
using namespace std;
int main()
{
deque
stack
stack
stack
stack
fourth.push(10);fourth.push(11);fourth.push(12);
stack
fifth.push(10);fifth.push(11);fifth.push(12);
while(!fifth.empty())
{
cout< fifth.pop(); } while (!fourth.empty()) { cout << fourth.front() << " "; fourth.pop(); } return 0; }
What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
template
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out< struct Add { int operator()(int & a, int & b) { return a+b; } }; int main() { int t[]={1,2,3,4,5,6,7,8,9,10}; vector vector transform(v1.begin(), v1.end(), v2.begin(), bind1st(1,Add())); for_each(v2.rbegin(), v2.rend(), Out return 0; } Program outputs:
What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
class B { int val;
public:
B(int v=0):val(v){}
int getV() const {return val;} };
ostream & operator <<(ostream & out, const B & v) { out< template ostream & out; Out(ostream & o): out(o){} void operator() (const T & val ) { out< int main() { B t1[]={3,2,4,1,5}; B t2[]={6,10,8,7,9}; vector v1(5); transform(t1,t1+5,t2,v1.rbegin(), plus()); for_each(v1.rbegin(), v1.rend(), Out return 0; } Program outputs:
What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
template
int calculate(T start, T end)
{
int s = 0;
while (start != end)
s+= *start; start++;return s;
}
int main ()
{
int t[] = {1, 2 ,3 ,4 ,5, 6 , 7, 8 , 9, 10};
vector
deque
cout< cout< cout< cout< cout< return 0; }
What happens when you attempt to compile and run the following code?
#include
#include
#include
#include
using namespace std;
class B { int val;
public:
B(int v=0):val(v){}
int getV() const {return val;}
B operator +(const B &b )const { return B(val + b.val);} };
ostream & operator <<(ostream & out, const B & v) { out< template ostream & out; Out(ostream & o): out(o){} void operator() (const T & val ) { out< B Add(B a, B b) { return a+b; } int main() { int t[]={1,2,3,4,5,6,7,8,9,10}; vector v1(t, t+10); vector v2(10); transform(v1.begin(), v1.end(), v2.begin(), bind2nd(ptr_fun(Add),1)); for_each(v2.rbegin(), v2.rend(), Out(cout));cout< return 0; } Program outputs:
What happens when you attempt to compile and run the following code?
include
#include
#include
#include
#include
using namespace std;
int main() {
int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 };
vector
deque
set
cout< return 0; }
What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
class A {
int a;
public:
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 v (t,t+10);
vector::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:
What happens when you attempt to compile and run the following code?
#include
#include
#include
#include
using namespace std;
template
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out< int Add(int a, int b) { return a+b; } int main() { int t[]={1,2,3,4,5,6,7,8,9,10}; vector vector transform(v1.begin(), v1.end(), v2.begin(), bind2nd(ptr_fun (Add),1)); vector cout<<*it< return 0; } Program outputs:
What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
void myfunction(pair
cout << " " << i.first;
}
int main() {
int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 };
map
for(int i=0; i < 10; i++) {
m[i]=t[i];
}
for_each(m.begin(), m.end(), myfunction);
return 0;
}
Program outputs:
What happens when you attempt to compile and run the following code?
#include
using namespace std;
template
class A {
T_v;
public:
A() {}
A(T v): _v(v){}
T getV() { return _v; }
void add(T a) { _v+=a; }
template
U get(U a) {
return (U)(_v);
}
};
int main()
{
A
a.add(10);
cout.setf( ios::showpoint);
cout << a.getV() << " " << a.get(1.0)< return 0; }
What happens when you attempt to compile and run the following code?
#include
#include
#include
#include
using namespace std;
template
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out< int Add(int a, int b) { return a+b; } int main() { int t[]={1,2,3,4,5,6,7,8,9,10}; vector vector transform(v1.begin(), v1.end(), v2.begin(), bind2nd(ptr_fun (Add),1)); for_each(v2.rbegin(), v2.rend(), Out return 0; } Program outputs:
