© Ray Lischner 2020
R. LischnerExploring C++20https://doi.org/10.1007/978-1-4842-5961-0_2

2. Reading C++ Code

Ray Lischner1 
Ellicott City, MD, USA
I suspect you already have some knowledge of C++. Maybe you already know C, Java, Perl, or other C-like languages. Maybe you know so many languages that you can readily identify common elements. Let’s test my hypothesis. Take a few minutes to read Listing 2-1, then answer the questions that follow it.
 1 /// Read the program and determine what the program does.
 3 import <iostream>;
 4 import <limits>;
 6 int main()
 7 {
 8     int min{std::numeric_limits<int>::max()};
 9     int max{std::numeric_limits<int>::min()};
10     bool any{false};
11     int x;
12     while (std::cin >> x)
13     {
14         any ...

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