31. Which operator is used to take OR of two bitset variables?
32. How many levels are there in exception safety?
33. Which of the following is the correct way of declaring a tuple?
34. To which type does the numeric limits are suitable?
35. What will be the output of the following C++ code?
#include <iostream>
#include <fstream>
using namespace std;
int main ()
{
int length;
char * buffer;
ifstream is;
is.open ("sample.txt", ios :: binary );
is.seekg (0, ios :: end);
length = is.tellg();
is.seekg (0, ios :: beg);
buffer = new char [length];
is.read (buffer, length);
is.close();
cout.write (buffer, length);
delete[] buffer;
return 0;
}
#include <iostream>
#include <fstream>
using namespace std;
int main ()
{
int length;
char * buffer;
ifstream is;
is.open ("sample.txt", ios :: binary );
is.seekg (0, ios :: end);
length = is.tellg();
is.seekg (0, ios :: beg);
buffer = new char [length];
is.read (buffer, length);
is.close();
cout.write (buffer, length);
delete[] buffer;
return 0;
}36. What will happen when we use void in argument passing?
37. At which time does the static_cast can be applied?
38. Which of the following library is used to do vector arithmetic?
39. What will be the output of the following C++ code?
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main ()
{
int myints[] = {10, 20, 30, 5, 15};
vector<int> v(myints, myints + 5);
make_heap (v.begin(), v.end());
pop_heap (v.begin(), v.end()); v.pop_back();
v.push_back(99); push_heap (v.begin(), v.end());
sort_heap (v.begin(), v.end());
for (unsigned i = 0; i < v.size(); i++)
cout << ' ' << v[i];
return 0;
}
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main ()
{
int myints[] = {10, 20, 30, 5, 15};
vector<int> v(myints, myints + 5);
make_heap (v.begin(), v.end());
pop_heap (v.begin(), v.end()); v.pop_back();
v.push_back(99); push_heap (v.begin(), v.end());
sort_heap (v.begin(), v.end());
for (unsigned i = 0; i < v.size(); i++)
cout << ' ' << v[i];
return 0;
}40. What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main()
{
try
{
try
{
throw 20;
}
catch (int n)
{
cout << "Inner Catch\n";
throw;
}
}
catch (int x)
{
cout << "Outer Catch\n";
}
return 0;
}
#include <iostream>
using namespace std;
int main()
{
try
{
try
{
throw 20;
}
catch (int n)
{
cout << "Inner Catch\n";
throw;
}
}
catch (int x)
{
cout << "Outer Catch\n";
}
return 0;
}Read More Section(C plus plus miscellaneous)
Each Section contains maximum 100 MCQs question on C plus plus miscellaneous. To get more questions visit other sections.
- C plus plus miscellaneous - Section 1
- C plus plus miscellaneous - Section 2
- C plus plus miscellaneous - Section 3
- C plus plus miscellaneous - Section 5
- C plus plus miscellaneous - Section 6
- C plus plus miscellaneous - Section 7
- C plus plus miscellaneous - Section 8
- C plus plus miscellaneous - Section 9
- C plus plus miscellaneous - Section 10
- C plus plus miscellaneous - Section 11