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Program is to store first n natural no in a file:
Write a program to store first n natural no in a file
void main()
{
fstream file;
file.open("student.dat",ios::in|ios::out|ios::app);
int n;
cout<<" enter record to be modified ";
cin>>n;
file.seekg((n-1)*sizeof());
file.read((char *)& ,sizeif());
file.write((char *)& ,sizeof());
file.close();
}
Write a program to calculate e^x using the formula: e^x = 1 + x/1! + x^2/2! + x^3/3! + ...... Allow the user to enter the integer number x, then do the calculation in a loop (for
Question: (a) Write down the class 'ListNode' to contain the following:- (i) variable data of type Object (ii) variable next of type ListNode (iii)
write a pseudocode algorithm for a program that accepts a number and prints out its reciprocal(1/n) is required.the program should prevent the user from entering zero by asking t
how to fill the blank spaces in the board of 4*4 matrix with the minimum of 4 colors and the condition is the adjacent element should not have the same colour
what is c++ language?
coding
C++ Help
Is it possible to have Virtual Constructor? If yes, how? If not, Why not possible?
What is the use of default constructor? - It's a constructor that doesn't accept any parameters. - If there is no user-defined constructor for a class, compiler declares a d
to find prime numbers upto any number say "n" entered by user
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