C++ Institute CPP-22-02 Online Practice Questions and Exam Preparation

C++ Institute CPP-22-02 Online Questions & Answers

• Question 211:

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

  #include

  #include

  #include

  #include

  using namespace std;

  templatestruct Out {

  ostream and out;

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

  void operator() (const T and val ) { out<

  bool Greater(int v1, int v2) { return v1

  int main() {

  int t[]={8, 10, 5, 1, 4, 6, 2, 7, 9, 3};

  vector v1(t, t+10);

  sort(v1.begin(), v1.end(), Greater);

  for_each(v1.begin(), v1.end(), Out(cout));cout<

  return 0;

  }

  Program outputs:

  A. 8 10 5 1 4 6 2 7 9 3
  B. 1 2 3 4 5 6 7 8 9 10
  C. compilation error
  D. 10 9 8 7 6 5 4 3 2 1
  B. 1 2 3 4 5 6 7 8 9 10

• Question 212:

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

  #include

  #include

  #include

  using namespace std;

  templatestruct Out {

  ostream and out;

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

  void operator() (const T and val ) { out<

  struct Add {

  int operator()(int and a, int and 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(Add(),1));

  for_each(v2.rbegin(), v2.rend(), Out(cout));cout<

  return 0;

  }

  Program outputs:

  A. 1 2 3 4 5 6 7 8 9 10
  B. 2 3 4 5 6 7 8 9 10 11
  C. 10 9 8 7 6 5 4 3 2 1
  D. 11 10 9 8 7 6 5 4 3 2
  E. compilation error
  E. compilation error

• Question 213:

  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 and v) const { return val>v.val;} };

  ostream and operator <<(ostream and out, const B and v) { out<

  templatestruct Out {

  ostream and out; Out(ostream and o): out(o){}

  void operator() (const T and val ) { out<

  int main() {

  int t[]={20, 30, 10, 20, 30, 10, 20, 30, 10, 20};

  deque d1(t, t+10);

  sort(d1.begin(), d1.end(), greater());

  pair ::iterator, deque::iterator > result = equal_range(d1.begin(), d1.end(), B(20), greater());

  for_each(result.first, result.second, Out(cout));cout<

  return 0;

  }

  Program outputs:

  A. 30 30 30 20 20 20 20 10 10 10
  B. 20 20 20 20
  C. 30 20 20 20 10
  D. 20 20 20 20 10
  E. 30 20 20 20 20 10
  B. 20 20 20 20

• Question 214:

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

  #include

  #include

  #include

  #include

  #include

  using namespace std;

  int main()

  {

  deque mydeck;list mylist; vector myvector;

  stack first;

  stack second(mydeck);

  stack third(second);

  stack > fourth(mylist);

  fourth.push(10);fourth.push(11);fourth.push(12);

  stack > fifth(myvector);

  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;

  }

  A. program outputs: 12 11 10 12 11 10
  B. compilation error
  C. program outputs: 10 11 12 10 11 12
  D. runtime exception
  B. compilation error

• Question 215:

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

  #include

  #include

  #include

  #include

  using namespace std;

  void myfunction(int i) {

  cout << " " << i;

  }

  bool classifier(int v) {

  return v%2==0;

  }

  int main() {

  int t[] = { 1, 5, 2, 5, 2, 4, 4, 3, 3, 1 };

  vector v1(t, t+10);

  set s1(t, t+10);

  replace(v1.begin(), v1.end(),classifier, 10);

  for_each(v1.begin(), v1.end(), myfunction);

  return 0;

  }

  Program outputs:

  A. 1 5 10 5 10 10 10 3 3 1
  B. 1 5 2 5 2 4 4 3 3 1
  C. compilation error
  D. 10 10 2 10 2 4 4 10 10 10
  C. compilation error

• Question 216:

  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;

  }

  A. program displays: 1
  B. program displays: 2
  C. compilation error
  D. runtime exception
  B. program displays: 2

• Question 217:

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

  #include

  #include

  #include

  using namespace std;

  templatestruct Out {

  ostream and out;

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

  void operator() (const T and val ) { out<

  int main() {

  int t[]={3,2,4,1,5,10,9,7,8,6};

  vector v1(t,t+10);

  sort(v1.begin(), v1.end(), greater());

  cout<

  return 0;

  }

  Program outputs:

  A. 3
  B. 1
  C. 6
  D. 10
  E. compilation error
  E. compilation error

• Question 218:

  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 andb )const { return B(val + b.val);} };

  ostream and operator <<(ostream and out, const B and v) { out<

  templatestruct Out {

  ostream and out;

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

  void operator() (const T and val ) { out<

  template

  struct Add : public binary_function {

  A operator() (const A and a, const A and b) const { return a+b; } };

  int main() {

  int t[]={1,2,3,4,5,6,7,8,9,10};

  deque d1(t, t+10);

  deque d2(10);

  transform(d1.begin(), d1.end(), d2.begin(), bind2nd(Add(), 1));

  for_each(d2.rbegin(), d2.rend(), Out(cout));cout<

  return 0;

  }

  Program outputs:

  A. 1 2 3 4 5 6 7 8 9 10
  B. 2 3 4 5 6 7 8 9 10 11
  C. 10 9 8 7 6 5 4 3 2 1
  D. 11 10 9 8 7 6 5 4 3 2
  E. compilation error
  D. 11 10 9 8 7 6 5 4 3 2

• Question 219:

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

  #include

  #include

  #include

  #include

  using namespace std;

  templatestruct Out {

  ostream and out;

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

  void operator() (const T and val ) { out<

  };

  int main() {

  char s[]={"qwerty"};

  char t1[]={"ert"};

  char t2[]={"ERT"};

  sort(s, s+6);

  cout<

  return 0;

  }

  Program outputs:

  A. 0 0
  B. 0 1
  C. 1 0
  D. 1 1
  C. 1 0

• Question 220:

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

  #include

  #include

  #include

  #include

  using namespace std;

  void print(int v) { cout<

  struct Sequence {

  int start;

  Sequence(int start):start(start){}

  int operator()() { return start++; }

  };

  bool predicate(int v) { return v%2==0; }

  int main() {

  vector v1(10);

  generate_n(v1.begin(), 10, Sequence(1));

  set s1(v1.begin(), v1.end());

  remove_if(s1.begin(), s1.end(), predicate);

  for_each(s1.begin(), s1.end(), print);cout<

  return 0;

  }

  Program outputs:

  A. 1 3 5 7 9 6 7 8 9 10
  B. 1 3 5 7 9
  C. 2 4 6 8 10
  D. compilation error
  D. compilation error