What is the Expected Output

    vector<int> arr[2];

    arr[0].push_back(10);

    arr[1].push_back(20);

arr[1].push_back(30);

    cout << arr[1].at(1) << endl;

    return 0;

}

How can you get the number of elements in a statically declared array int arr[10];?

What is the Expected Output

    x = x + 10;

}

int main() {

    int x= 5;                                                                 

    modify(x); 

    x=15;

    cout << x

    return 0;

}

What is the Expected Output

class Person {

private:

    int age;

public:

    Person(int a) {

        age = a;

    }

age = 25;

    void setAge(int age) {

        age = age;

    }

    void PrintAge() {

        cout << "Age: " << age << endl;

    }

};

int main() {

    Person Ahmed(20);

    Ahmed.setAge(25);

    Ahmed.PrintAge();

}

What is the Expected Output

void updateArray(int arr[], int size) {

    for(int i = 0; i < size; i++) {

        arr[i] = arr[i] + 5;

    }

}

int main() {

    int nums[3] = {1, 2, 3};

    updateArray(nums, 3);

int nums[3] = {1, 2, 3};

    for(int i = 0; i < 3; i++) {

        cout << nums[i] << " ";

    }

    return 0;

}

What is the output when running the following code?

What is wrong with this class definition?

Which code initializes a 2D array with 3 rows and 2 columns?

Which code snippet correctly implements a function to reverse a string recursively?

What is the output of the following code?