what is gets function in c++

gets() function gets function gets() is a standard library function defined in stdio.h header file which is used to get a string from the keyboard.Its general syntax is: gets(string variable name); It reads characters from stdin and stores them as...

C++ calculater for beginner

calculater for c++ beginner #include<iostream> #include<cmath> using namespace std; int main() {     double num1,num2;     char operation,redo;     cout<<"Welcome to the C++ calculater"<<endl;    ...

Commets in C++ program

Comments and their syntax in C++ Each C++ statement is terminated by a symbol named semicolon(;) which is called statement terminator.In C++, the separation between statement is specified with this ending semicolon (;) at the end of each statement. It does not matter to write more...

function and statements of c++

Main() Function The main function is the point by where all C++ programs start their execution.It does not matter whether there are other functions wit...

preprocessor directive in c++

Preprocessor directives (#include, #define) A preprocessor is a collection of special statements which are executed before the compilation process. Almost every C++ program contains a preprocessor directive.The #include  preprocessor directives is commonly used to insert header file with extension ‘.h’. These header files are already stored in computer in include directory. In the above program, two #include directives have been used,   #include<iostream.h> ...

what is the structure of a c++ program

Structure of a C++ program General syntax of a C++ program is given below. Preprocessor directives <header file> int main() { Body of the program } ...

what is header files and reserved words

a.Header files Header files also known as include files, are standard library files that have  an extension of (.h) and which are used to hold declaration for other files. Consider the following program: // header file example #include<iostream.h> Int main() { cout<<”Hello,world!”<<endl; return 0; } Output of the program Hello,world! This program prints the string “Hello, world” to the screen using cout. However, this program nev-er defines cout, so how does the compiler know about the...