C++ Beginner Test

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1. What is the output of the following code?

```cpp #include using namespace std; int main() { cout << 5 + 3 * 2 << endl; return 0; } ``` a) 16
b) 13
c) 11
d) 10

2. Which keyword is used to define a constant in C++?

a) const
b) define
c) static
d) let

3. How do you declare a function in C++?

a) void myFunction() {}
b) function myFunction() {}
c) def myFunction() {}
d) func myFunction() {}

4. What is the output of the following code?

```cpp #include using namespace std; int main() { int x = 5; int y = 10; cout << (x == y) << endl; return 0; } ``` a) 1
b) 0
c) x
d) y

5. How do you create a vector in C++ with the elements 1, 2, and 3?

6. Explain the difference between `std::vector` and `std::array` in C++.

7. Write a C++ expression to check if the string "hello" contains the substring "ell".

8. What is the purpose of the `auto` keyword in C++?