What is the default return type for functions in c++?

Which operator is used to deallocate or free memory?

How many character types are defined in the ASCII character encoding scheme?

What can be used to input a string with blank spaces?

What will be the output of the following C++ code?

Which of the following is used to calculate the length of a string in C

A programming language that has the capability to generate new data types is called _____.

What are unary functors?

What is the main difference between the C++ 'cin' and the C 'scanf()' functions?

What will be the output of the following C++ code?

#include <iostream>
#include <string>
#include <cstdlib>
 
using namespace std;
 
int main(int argc, char const *argv[])
{
int &q = 5;
cout<<q;
return 0;
}