Assume you want to read as input the ? le ‘passwords. txt’, change every lowercase letter to an uppercase letter and every ‘$’ to a ‘#’, then save the result back to that same ? le (overwriting it). how would you do this with the tr command? hint: use piping and ? le redirection.

What is the algorithm for building a binary tree program

Assume the existence of a bankaccount class. define a derived class, savingsaccount that contains two instance variables: the first a double, named interestrate, and the second an integer named interesttype. the value of the interesttype variable can be 1 for simple interest and 2 for compound interest. there is also a constructor that accepts two parameters: a double that is used to initialize the interestrate variable, and a string that you may assume will contain either "simple", or "compound", and which should be used to initialize the interesttype variable appropriately. there should also be a pair of functions getinterestrate and getinteresttype that return the values of the corresponding data members (as double and int respectively).

The narrative structure of the popular movies can be broken down into