C++ Advanced Quiz 1

1 / 17

Which is the correct syntax of capturing a variable ?X? by reference and other variable ?Y? by value in lambda expression?

[&x, &Y]

[&X, Y]

[X, &y]

[X, Y]

2 / 17

Which of the following gives the name of the program if the second parameter to the main fucntion is char **argv?

argv[3]

argv[0]

argv[1]

argv[2]

3 / 17

What does the second parameter of the main function represent?

List of command line arguments

Dictionary of command line arguments

Number of command line arguments

Stack of command line arguments

4 / 17

Which of the following operator is used to capture all the external variable by reference?

5 / 17

What are command line arguments?

Arguments passed to main() function

Arguments passed to any function

Arguments passed to structure functions

Arguments passed to class functions

6 / 17

What does the first parameter of the main function represent?

List of command line arguments

Number of command line arguments

Dictionary of command line arguments

Stack of command line arguments

7 / 17

What is the correct statement about lambda expression?

Lambda expression is also available in C

The return type of lambda expression can be neglected in some cases

Lambda expression should be very large functions

The return type of lambda expression must be specified in all cases

8 / 17

Which is the correct way of handling arguments with spaces?

Use double quotes

Use single quotes

Either single or double quotes

There is no way of handling arguments with space

9 / 17

To use command line arguments in C++, how many parameters are passed to the main function?

10 / 17

Which of the following is correct about the first parameter of the main function?

First argument is of int type

First argument is non-negative

Stores the count of command line arguments

All of the mentioned

11 / 17

What is lambda expression in C++?

A technique of C++ that allows us to write functions without parameters

A technique of C++ that allows us to write functions that are called more than once

A technique of C++ that allows us to write overloaded functions

A technique of C++ that allows us to write inline functions without a name

12 / 17

Which of the following is correct about the second parameter of the main function?

The string in the list are separated by space in the terminal

All of the mentioned

Second parameter is an array of character pointers

First string of the list is the name of the program?s output fle

13 / 17

In how many ways we can capture the external variables in the lambda expression?

14 / 17

Which of the following operator is used to capture all the external variable by value?

15 / 17

What is the syntax of defining lambda expression?

[capture clause:parameters]() -> return_type { body of the function }

[parameters](capture clause) -> return_type { body of the function }

[parameters:capture clause]() -> return_type { body of the function }

[capture clause](parameters) -> return_type { body of the function }

16 / 17

What is the signature of math in function using command line arguments?

int main(int argc, char **argv);

int main(int argc, char const **argv);

int main(int argc, char const *argv[]);

all of the mentioned

17 / 17

Which character is used to separate different arguments?

space

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