Free Practice C++ Institute CPP-22-02 Exam Questions 2026

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Total 230 Questions | Updated On: May 21, 2026

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Question 1

What will be output of the program when you attempt to compile and run the following

code?

#include <iostream>

#include <map>

#include <vector>

#include <string>

using namespace std;

int main(){

int second[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 0 };

string first[] = {"three", "four", "two", "one", "six","five", "seven", "nine","eight","zero"};

multimap<int,string> m;for(int i=0; i<10; i++) {

m.insert(pair<int,string>(second[i],first[i]));

}

m[0]="ten";

m.insert(pair<int,string>(1,"eleven"));

for(multimap<int, string>::iterator i=m.begin();i!= m.end(); i++) {

cout<<i?>second<<" ";

}

return 0;

}

A : zero one two three four five six seven eight nine

B : ten one two three four five six seven eight nine

C : zero eleven two three four five six seven eight nine

D : ten eleven two three four five six seven eight nine

E : compilation error

Answer: A

Question 2

What happens when you attempt to compile and run the following code?

#include <deque>

#include <iostream>

#include <algorithm>

#include <set>

using namespace std;

template<class T>struct Out {

ostream & out;

Out(ostream & o): out(o){}

void operator() (const T & val ) { out<<val<<" "; }

};

bool Compare(char a, char b) { return tolower(a) < tolower(b);}

int main() {

char s[]={"qwerty"};

char t1[]={"ert"};

char t2[]={"ERT"};

sort(s, s+6);

cout<<includes(s,s+6, t1,t1+3, Compare)<<" "<<includes(s,s+6, t2,t2+3, Compare)<<endl;

return 0;

}

Program outputs:

A : 0 0

B : 0 1

C : 1 0

D : 1 1

Answer: D

Question 3

What happens when you attempt to compile and run the following code?

#include <iostream>

#include <algorithm>

#include <vector>

using namespace std;

class A {

int apublic:

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<A> v (t,t+10);

vector<A>::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:

A : First found at position: 5

B : First found at position: 0

C : First found at position: 7

D : compilation error

E : First found at position: 10

Answer: B

Question 4

What happens when you attempt to compile and run the following code?

#include <iostream>

#include <map>

#include <vector>

#include <sstream>

#include <string>

using namespace std;

int main(){

int t[] ={ 3, 4, 2, 1, 0, 1, 2, 3, 4, 0 };

vector<int> v(t, t+10);

multimap<int,string> m;

for(vector<int>::iterator i=v.begin(); i!=v.end(); i++) {

stringstream s; s<<*i<<*i; m.insert(pair<int,string>(*i,s.str()));

}

for(multimap<int, string>::iterator i=m.begin();i!= m.end(); i++) {

cout<<*i<<" ";

}

return 0;

}

A : program outputs: 3 4 2 1 0 1 2 3 4 0

B : program outputs: 00 11 22 33 44

C : program outputs: 0 0 1 1 2 2 3 3 4 4

D : program outputs: 0 0 0 1 1 1 2 2 2 3 3 3 4 4 4

E : compilation error

Answer: A

Question 5

What happens when you attempt to compile and run the following code?

#include <iostream>

#include <set>

#include <vector>

using namespace std;

int main(){

int t[] ={ 3, 4, 2, 1, 6, 5, 7, 9, 8, 0 };

vector<int>v(t, t+10);

multiset<int> s1(v.begin(),v.end());

s1.insert(v.begin(),v.end());

pair<multiset<int>::iterator,multiset<int>::iterator> range;

range = s1.equal_range(6);

while (range.first != range.second) {

cout<<*range.first<<" "; range.first++;

}

return 0;

}

A : program outputs: 6 6

B : program outputs: 5 7

C : program outputs: 5 5 6 6 7 7

D : program outputs: 5 5 7 7

E : program outputs: 1 1 6 6 5 5

Answer: A

Page: 1 / 46

Total 230 Questions | Updated On: May 21, 2026

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