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Free C++ Institute CPP Actual Exam Questions

The questions for this exam were last updated on January 7, 2026

Dumps Box (DumpsBox) offers up-to-date practice exam questions for CPP certification exam which are developed and validated by C++ Institute subject domain experts certified in C++ Institute CPP . These practice questions are update regularly as we keep an eye on any recent changes in CPP syllabus, and when there is update our team quickly adjusts the questions. This commitment to providing the best quality exam prep material to certification aspirants is what makes DumpsBox.com the best certification exam prep website. On top of that, our strong, yet strictly moderated, community based feedback keeps the content clean and current. Each question has helpful community discussion that provides it extra perspective and introduces helpful resources for better exam preparation. This also saves students from other outdated practice questions or illicit exam dumps that can have adverse affects on career. Browse through our C++ Institute CPP exam questions and pass your exam on first try.

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Question No. 1
What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
templatestruct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out< v1(10);
sort(t1, t1+5);
sort(t2, t2+5);
set_symmetric_difference(t1,t1+5,t2,t2+5,v1.begin());
for_each(v1.begin(), v1.end(), Out(cout));cout<return 0;
}
Program outputs:
Select one option, then reveal solution.
Question No. 2
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==(const A & b) const { return a == b.a; }
};
bool compare(const A & a, const A & b) { return a == b; }
int main () {
int t[] = {1,2,3,3,5,1,2,4,4,5};
vector v (t,t+10);
vector::iterator it = v.begin();
while ( (it = adjacent_find (it, v.end(), compare)) != v.end()) {
cout<}
cout<< endl;
return 0;
}
Select one option, then reveal solution.
Question No. 3
What happens when you attempt to compile and run the following code?
#include
#include
using namespace std;
bool mycomparison (int first, int second){return first>second;}
template
void print(T start, T end) {
while (start != end) {
std::cout << *start << " "; start++; } } int main() { int t1[] ={ 1, 7, 8, 4, 5 }; list l1(t1, t1 + 5);
int t2[] ={ 3, 2, 6, 9, 0 };
list l2(t2, t2 + 5);
l1.sort(mycomparison);
l2.sort(mycomparison);
l1.merge(l2,mycomparison);
print(l1.begin(), l1.end());
print(l2.begin(), l2.end()); cout<return 0;
}
Select one option, then reveal solution.
Question No. 4
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){} B(){}
int getV() const {return val;} bool operator > (const B & v) const { return val>v.val;} };
ostream & operator <<(ostream & out, const B & v) { out<struct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out< d1(t, t+10);
sort(d1.begin(), d1.end(), greater());
deque::iterator it = lower_bound(d1.begin(), d1.end(), 4,greater());
for_each(it, d1.end(), Out(cout));cout<return 0;
}
Program outputs:
Select one option, then reveal solution.
Question No. 5
What happens when you attempt to compile and run the following code?
#include
#include
using namespace std;
class A
{
int a,b;
public:
A(const A & c) { a = c.a; }
A():a(0),b(0){}
void setA(int a) {this?>a = a;} void setB(int b) {this?>b = b;}
int getA() {return a;} int getB() {return b;}
};
int main ()
{
vectorv;
A a;
a.setA(10); a.setB(11);
v.push_back(a);
cout<return 0;
}
Select one option, then reveal solution.
Question No. 6
What will happen when you attempt to compile and run the code below, assuming that you enter
the following sequence: one two three?
#include
#include
using namespace std;
int main ()
{
string a;
cin.getline(a);
cout<return 0;
}
Program will output:
Select one option, then reveal solution.
Question No. 7
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):val(v){}
int getV() const {return val;} bool operator < (const B & v) const { return valstruct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out< v1(10,0);
sort(t1, t1+5);
sort(t2, t2+5);
set_difference(t1,t1+5,t2,t2+5,v1.begin());
for_each(v1.begin(), v1.end(), Out(cout));cout<return 0;
}
Program outputs:
Select one option, then reveal solution.
Question No. 8
Which lines of the code below contain proper instantiation of queue objects?
#include
#include
#include
#include
#include
using namespace std;
int main()
{
deque mydeck;
list mylist;
vector myvector;
queue first; // line I
queue second(mydeck);// line II
queue third(second);// line III
queue fourth(mylist);// line IV
queue fifth(myvector);// line V
return 0;
}
Select all that apply, then reveal solution.
Question No. 9
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; }
operator int() const {return a;}
};
int main () {
int t[] = {1,2,3,2,3,5,1,2,7,3,2,1,10, 4,4,5};
set s (t,t+15);
cout<return 0;
}
Program outputs:
Select one option, then reveal solution.
Question No. 10
What will happen when you attempt to compile and run the following code?
#include
#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; }
};
int main()
{
Aa("Hello");
string s(" world!");
a.add(s);
cout << a.getV() <return 0;
}
Select one option, then reveal solution.
Question No. 11
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):val(v){}
int getV() const {return val;} bool operator < (const B & v) const { return valstruct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out< v1(10,0);
sort(t1, t1+5);
sort(t2, t2+5);
set_symmetric_difference(t2,t2+5,t1,t1+5,v1.begin());
for_each(v1.begin(), v1.end(), Out(cout));cout<return 0;
}
Program outputs:
Select one option, then reveal solution.
Question No. 12
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; }
};
struct Even {
bool operator ()(const A & a, const A &b) {
return (a.getA() % 2)==b.getA() % 2;
}
};
int main () {
int t[] = {1,2,3,2,3,5,1,2,7,3,2,1,10, 4,4,5};
deque d (t,t+15);
deque::iterator it = search_n(d.begin(), d.end(), 3, 2, Even());
cout<< it?d.begin()<return 0;
}
Program outputs:
Select one option, then reveal solution.
Question No. 13
What happens when you attempt to compile and run the following code?
#include
#include
#include
#include
#include
using namespace std;
void myfunction(int i) {
cout << " " << i; } int add (int a, int b) { return a+b; } int main() { int t[] = { 10, 5, 9, 6, 2, 4, 7, 8, 3, 1 }; vector v1(t, t+10);
set s1(t, t+10);
deque d1;
d1.resize(s1.size());
transform(s1.begin(), s1.end(), v1.begin(), d1.begin(), add);
for_each(d1.begin(), d1.end(), myfunction);
return 0;
}
Program outputs:
Select one option, then reveal solution.
Question No. 14
What happens when you attempt to compile and run the following code?
#include
#include
#include
using namespace std;
int main(){
int t[] ={ 1, 1, 2, 2, 3, 3, 4, 4, 5, 5 };
listv(t, t+10);
multiset s1(v.begin(),v.end());
if (s1.count(3) == 2) {
s1.erase(3);
}
for(multiset::iterator i=s1.begin();i!= s1.end(); i++) {
cout<<*i<<" ";
}
return 0;
}
Select one option, then reveal solution.
Question No. 15
What happens when you attempt to compile and run the following code?
#include
#include
#include
#include
using namespace std;
templatestruct Out {
ostream & out;
Out(ostream & o): out(o){}
void operator() (const T & val ) { out< v1(t, t+8);
sort(v1.begin(), v1.end());
for_each(v1.begin(), v1.end(), Out(cout));cout<return 0;
}
Program outputs:
Select one option, then reveal solution.