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C Program to copy the contents of a file: void main() { ifstream fin("input.txt"); ofstream fout("output.txt"); char ch; while (fin) {
assume that the first integer read with cin specifies the number of values remaining to be entered. that program should read only one value each time cin is executed .a typical inp
Define the System Oriented Data Files? System-oriented data files are further closely related to the computer's operating system than Stream- oriented data files and they are s
Can I drop the [] while deleteing array of some built-in type (char, int, etc)? A: No. you can't Sometimes programmers think that the [] in the delete[] p only present so the
A: Use a member while you can and a friend when you need to. Sometimes friends are better syntactically (e.g., in class Fred, friend functions let the Fred parameter to be secon
Program to calculate tax: float tax (float) ; int main() { float purchase, tax_amt, total; cout cin >> purchase
A: no, can't. The names of, precedence of, associativity of, and arity of operators is fixed through the language. In C++, there is no operator** so you cannot create one for a
A: A dangling pointer arises while you use the address of an object after its lifetime is end. It may occur in situations such as returning addresses of automatic variables from a
Explain the class invariant. - It's a condition that ensures correct working of a class and defines all the valid states for an object. - When an object is created class inv
A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome
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