
c++ - How does cin work? - Stack Overflow
Apr 28, 2016 · In particular, cin reads the keyboard, not "characters on the console." It just so happens that pressing keys both echoes them on the console and feeds them to cin. So the …
c++ - How do I use cin for an array - Stack Overflow
Sep 20, 2018 · There is no possible way to cin an array without overloading the >> operator. What you could do however, is declare it in the following fashion What you could do however, is …
What is the C equivalent to the C++ cin statement?
Sep 16, 2010 · There is no close equivalent to cin in C. C++ is an object oriented language and cin uses many of its features (object-orientation, templates, operator overloading) which are …
How to read a complete line from the user using cin?
Cin only gets input for 1 word. In order to get input for a sentence, you need to use a getLine(cin, y) in order to get a sentence of input. You can also make multiple variables for each word and …
if (cin >> x) - Why can you use that condition? - Stack Overflow
Jul 22, 2011 · std::cin is an object of class istream and represents the standard input stream (i.e. the keyboard) which corresponds to stdin in C stream. cin >> x would firstly read an int from …
What are the rules of the std::cin object in C++?
Apr 30, 2009 · std::cin >> firstName; only reads up to, but not including, the first whitespace character, which includes the newline (or '\n') when you press enter, so when it gets to …
c++ - std::cin input with spaces? - Stack Overflow
Apr 30, 2011 · #include <string> std::string input; std::cin >> input; The user wants to enter "Hello World". But cin fails at the space between the two w
Why would we call cin.clear() and cin.ignore() after reading input?
internal state of cin set to 4 is like an alarm that is howling and making noise. cin.clear clears the state back to normal (goodbit). It's like if you had come and silenced the alarm. You just put it …
c++ - Safely prompt for yes/no with cin - Stack Overflow
May 23, 2017 · Personally I'd make the prompt a separate function, this makes it putting the prompt output and reading a response a logical expression to put in a while loop.
When and why do I need to use cin.ignore () in C++?
Aug 25, 2014 · That, or you put a cin.ignore between the cin and getline so that it'll break into logical steps that you expect. This is why you need the ignore command. Because you are …