Which of the following is used to insert a new line in a C++ program?

To what kind of data structures can the non-modifying sequence algorithms be applied?

 Which function is used to check whether a character is an alphabet or number?

short value1 = 3000;

short value2 = 1000;

short product = value1 * value2;

cout << product;

 In C++, what is the sign of character data type by default?

Which of the following is a built-in example of functors in C++?

How many times will the word 'hello' be printed in the following code segment?

for(int i=0; i<5; i++)

cout<<"hello\n";

What is the output of the following C program?

int main()

{

  signed char var;

  for(var=0;var<=127;var++)

  printf("%d\n",var);

}

What is the correct signature of the main function when using command-line arguments in C++?