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c++ - How does cin work? - Stack Overflow cin is a blocked input Whatever comes from the keyboard is stored in a buffer When you press enter the system passes the buffer to the application code (std::cin code) Operator >> will decide how much to read from that buffer - one char, string, int, float etc Depends on the type of the operand
if (cin gt; gt; x) - Why can you use that condition? - Stack Overflow cin is an object of class istream that represents the standard input stream It corresponds to the cstdio stream stdin The operator >> overload for streams return a reference to the same stream The stream itself can be evaluated in a boolean condition to true or false through a conversion operator cin provides formatted stream extraction The operation cin >> x; where "x" is an int will
How to cin Space in c++? - Stack Overflow Using cin's >> operator will drop leading whitespace and stop input at the first trailing whitespace To grab an entire line of input, including spaces, try cin getline()
What is the C equivalent to the C++ cin statement? 3 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 not available on C However, you can read things in C using the C standard library, you can look at the relevant part here (cstdio reference)
what is the cin operator order in C++ - Stack Overflow 2 It's difficult to tell what is being asked here This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form For help clarifying this question so that it can be reopened, visit the help center Closed 14 years ago I have a question about cin and cout order in C++, for example:
How to read a complete line from the user using cin? The problem is that cin >> y is only storing the first word of the line the user types, the asker wants to know how to store the entire line in y, such that file << y writes the full line to the file
c++ - std::cin input with spaces? - Stack Overflow Best answer so far When using std::getline(std::cin, s) I would get a very messy and I would say, interrupted input when waiting for inputs in a while for loop This option resolved my issue!
What is the best way to do input validation in C++ with cin? Snag the input from std::cin using std::getline(std::cin, strObj) where strObj is a std::string object Use boost::lexical_cast to perform a lexical translation from strObj to either a signed or unsigned integer of largest width (e g , unsigned long long or something similar) Use boost::numeric_cast to cast the integer down to the expected range