Top "Iostream" questions

How do I print a double value with full precision using cout?

So I've gotten the answer to my last question (I don't know why I didn't think of that). I was …

c++ floating-point precision iostream cout

How to read line by line or a whole text file at once?

I'm in a tutorial which introduces files (how to read and write from\to file) First of all, this is …

c++ iostream fstream file-handling

'cout' was not declared in this scope

I have a C++ program: test.cpp #include<iostream> int main() { char t = 'f'; char *t1; char **t2; …

c++ iostream cout

How to properly overload the << operator for an ostream?

I am writing a small matrix library in C++ for matrix operations. However my compiler complains, where before it did …

c++ namespaces operator-overloading iostream ostream

'printf' vs. 'cout' in C++

What is the difference between printf() and cout in C++?

c++ printf iostream cout stdio

How to print (using cout) a number in binary form?

I'm following a college course about operating systems and we're learning how to convert from binary to hexadecimal, decimal to …

c++ binary iostream representation std-bitset

Reading from text file until EOF repeats last line

The following C++ code uses a ifstream object to read integers from a text file (which has one number per …

c++ iostream fstream

Why is reading lines from stdin much slower in C++ than Python?

I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see …

python c++ benchmarking iostream getline

How to read until EOF from cin in C++

I am coding a program that reads data directly from user input and was wondering how could I (without loops) …

c++ input iostream

Why would we call cin.clear() and cin.ignore() after reading input?

Google Code University's C++ tutorial used to have this code: // Description: Illustrate the use of cin to get input // and …

c++ input iostream cin