C++ interview questions part 34
C++ interview questions part 34
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Total Questions: 20
1. Unordered map is implemented using _________________
Correct Answer is : When a function is declared
2. Map is implemented using ____________________
Correct Answer is : To the rightmost side of the parameter list
3. Which of the following is correct about the map and unordered map?
Correct Answer is : It cannot be modified inside the function
4. Which of the following queue container can expand or shrink from both directions?
Correct Answer is : Abstraction
5. Which of the following is correct about map and multimap?
Correct Answer is : 10
6. Which symbol is used to create multiple inheritance?
Correct Answer is : 5
7. Which of the following advantages we lose by using multiple inheritance?
Correct Answer is : 870
8. Which design patterns benefit from the multiple inheritances?
Correct Answer is : Functors have a state
9. What are the things are inherited from the base class?
Correct Answer is : 5
10. Which operator is used to signify the namespace?
Correct Answer is : 10
11. What is the use of Namespace?
Correct Answer is : Add add_10(10);
12. Which keyword is used to access the variable in the namespace?
Correct Answer is : logical_not f;
13. Pick the incorrect statement for namespaces in C++.
Correct Answer is : negate f;
14. Which operator is used for accessing a member of namespace?
Correct Answer is : f.operator()(arg1, arg2);
15. Which is the correct syntax of declaring a namespace?
Correct Answer is : numeric
16. What will be the output of the following C++ code?
#include
#include
using namespace std;
namespace A{
int var = 10;
}
namespace B{
int cout = 5;
}
int main()
{
using namespace B;
cout<
Correct Answer is : blitz++
Correct Answer is : blitz++
17. What will be the output of the following C++ code?
#include
#include
using namespace std;
namespace A{
int var = 10;
}
namespace B{
int var = 5;
}
int main()
{
using namespace B;
cout<
Correct Answer is : Returns the result of accumulating all the values in the range
Correct Answer is : Returns the result of accumulating all the values in the range
18. What will be the output of the following C++ code?
#include
#include
using namespace std;
namespace A{
int var = 10;
}
namespace B{
int var = 5;
}
int main()
{
int var = 20;
using namespace B;
cout<
Correct Answer is : 1 1 1 2
Correct Answer is : 1 1 1 2
19. What will be the output of the following C++ code?
#include
#include
using namespace std;
namespace
{
int var = 10;
}
int main()
{
cout<
Correct Answer is : 160
Correct Answer is : 160
20. What is the correct syntax of defining a namespace?
Correct Answer is : 1 3 6 10 15
