What is the output of this program?#include <typeinfo> #include <iostream> using namespace std; class N { public: virtual ~N(); }; int main() { N* ptr = NULL; try { cout << typeid(*ptr).name() << endl; } catch (bad_typeid) { cout << "Object is NULL" << endl; } }

What is the output of this program?#include <typeinfo> #include <iostr

1.	What is the output of this program? #include <typeinfo> #include <iostream> using namespace std; class N { public: virtual ~N(); }; int main() { N* ptr = NULL; try { cout << typeid(*ptr).name() << endl; } catch (bad_typeid) { cout << "Object is NULL" << endl; } }
A.	NULL
B.	Compilation Error
C.	Runtime Error
D.	Object is NULL
E.	None of these
Answer» E. None of these

Discussion

No Comment Found

Related MCQs

What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <string> using namespace std; void PermutationString( string& orig, string& Permutation ) { if (orig.empty()) { cout << Permutation << endl; return; } for (int k = 0; k < orig.size(); ++k) { string orig2 = orig; orig2.erase(k, 1); string Permutation2 = Permutation; Permutation2 += orig.at(k); PermutationString(orig2, Permutation2); } } int main() { string orig = "Sumi"; string Permutation; PermutationString(orig, Permutation); return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c"> #include <iostream> #include <vector> #include <algorithm> using namespace std; void show(const vector<int>& Data) { for (size_t k = 0; k < Data.size(); ++k) { cout << Data[i] << ' '; } cout << endl; } int main() { vector<int> Data; Data.push_back(2); Data.push_back(6); Data.push_back(6); sort(Data.begin(), Data.end()); show(Data); while(next_permutation(Data.begin(), Data.end())) show(Data); return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c"> #include <iostream> #include <vector> #include <algorithm> using namespace std; void Result(const vector<int>& VectorData) { for (size_t k = 0; k < VectorData.size(); ++k) { cout << VectorData[k] << ' '; } } int main() { vector<int> VectorData; VectorData.push_back(4); VectorData.push_back(8); sort(VectorData.begin(), VectorData.end()); Result(VectorData); while(next_permutation(VectorData.begin(), VectorData.end())) Result(VectorData); return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <algorithm> using namespace std; int main () { int Numbers[] = {23, 25, 32, 43}; sort (Numbers, Numbers + 4); do { } while ( next_permutation(Numbers, Numbers + 4) ); cout << Numbers[0] << ' ' << Numbers[1] << ' ' << Numbers[2] << ' ' << Numbers[3] << ' n'; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c"> #include <iostream> #include <algorithm> #include <vector> using namespace std; bool myfunction (int p,int q) { return (p < q); } int main () { int var[] = {90, 80, 70, 60, 50}; vector<int> Num(var, var + 5); partial_sort (Num.begin(), Num.begin() + 4, Num.end()); partial_sort (Num.begin(), Num.begin() + 4, Num.end(), myfunction); for (vector<int> :: iterator Iter = Num.begin(); Iter != Num.end(); ++Iter) cout << ' ' << *Iter; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <algorithm> #include <vector> using namespace std; bool Function(int k, int L) { return (k < L); } struct ObjectClass { bool operator() (int k, int L) { return (k < L); } } StructObject; int main () { int arr[] = {112, 125, 101}; vector<int> Number(arr, arr + 3); sort (Number.begin(), Number.begin() + 2); sort (Number.begin() + 1, Number.end(), Function); sort (Number.begin(), Number.end(), StructObject); for (vector<int> :: iterator Iter = Number.begin(); Iter != Number.end(); ++Iter) cout << ' ' << *Iter; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c"> #include <iostream> #include <iterator> #include <list> using namespace std; int main () { list<int> DataList; for (int i = 0; i < 10; i++) DataList.push_back (i * 30); list<int> :: iterator firstIter = DataList.begin(); list<int> :: iterator lastIter = DataList.end(); cout << distance(firstIter, lastIter) << endl; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <iterator> #include <list> using namespace std; int main () { list<int> List1, List2; for (int k = 0; k <= 3; k++) { List1.push_back(k); List2.push_back(k * 12); } list<int> :: iterator Iter; Iter = List1.begin(); advance (Iter, 3); copy (List2.begin(), List2.end(), inserter(List1, Iter)); for ( Iter = List1.begin(); Iter != List1.end(); ++Iter ) cout << *Iter << " "; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <iterator> #include <list> using namespace std; int main () { list<int> DataList; for (int k = 0; k < 8; k++) DataList.push_back (k * 8); list<int> :: iterator Iter = DataList.begin(); advance (Iter, 6); cout << *Iter << endl; return 0; } </pre>
What is the output of this program? <pre class="prettyprint lang-c">#include <iostream> #include <vector> #include <iterator> using namespace std; int main () { vector<int> VectorData; for (int k = 0; k <= 8; k++) VectorData.push_back(k); VectorData.erase (VectorData.begin() + 6); VectorData.erase (VectorData.begin(), VectorData.begin() + 4); for (unsigned k = 0; k < VectorData.size(); ++k) { cout << ' ' << VectorData[k]; } return 0; } </pre>

What is the output of this program?#include <typeinfo> #include <iostream> using namespace std; class N { public: virtual ~N(); }; int main() { N* ptr = NULL; try { cout << typeid(*ptr).name() << endl; } catch (bad_typeid) { cout << "Object is NULL" << endl; } }

Discussion

No Comment Found

Related MCQs

Reply to Comment

What is the output of this program?
#include <typeinfo>
#include <iostream>
using namespace std;
class N
{
public:
virtual ~N();
};
int main()
{
N* ptr = NULL;
try
{
cout << typeid(*ptr).name() << endl;
}
catch (bad_typeid)
{
cout << "Object is NULL" << endl;
}
}