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Input Output
Most languages have "statements" to perform I/O . Though in C and C++ we use "functions" to perform I/O. C++ also has its own I/O mechanism - the cin and cout objects, declared in the header file iostream.h.
On including iostream.h , the program gets the following 4 objects automatically:
Cin- This object corresponds to the standard input Stream, which by default is the keyboard.
Cout- This object corresponds to the standard output stream ,which by default is the screen.
cerr & clog- This object corresponds to the standard error stream, which by default is the screen.
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Given an integer n and a permutation of numbers 1, 2 ... , n-1, n write a program to print the permutation that lexicographically precedes the given input permutation. If the given
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I hv an assignment to do, I almost done. But i cant find whats wrong- my code is to make a simple calculator using function''s all 4 patterns. I did like this- #include int add
Program to Open a file in C++: int main() { char ch; ifstream f1 ("OLDFILE.TXT"); ofstream f2 ("NEWFILE.TXT");
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#include #include #include #include #include class Employee { private: char *Name; //Set them as pointers... int IdNumber; char *Department; char *Position; public: voi
odd or even
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source code in c ?
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