Arguments and naming

Questions 1 to 5 of 6

1. 1. A user runs ./tool with nothing typed after the program name. What is argc when main starts?

   012It depends on the shell
2. 2. What does the declaration const int* view; mean?

   view is a const pointer to an intview is an int that is constview is a pointer to a const intview is an array of const ints
3. 3. What does this program print? ``cpp #include <charconv> #include <iostream> #include <string_view> int main() { std::string_view text = "12abc"; int value = 0; auto [ptr, ec] = std::from_chars(text.data(), text.data() + text.size(), value); std::cout << value << " " << (ptr == text.data() + text.size()) << "\n"; } ``

   12 112 00 0error: from_chars failed
4. 4. Which C++ keyword marks a value that the compiler must know before the program runs?

   Type your answer.

5. 5. Which header must you include to use std::from_chars? Give the header name as it appears in #include <...>.

   Type your answer.