answers to odd numbered exercises

... seem to imply that if you wanted a derived class to have access to some member in the base class, it would need to be public Of course, making the member public also makes it available to all ... a pointer to a base type can be used to point to any object derived from that base is extremely important, and fundamental to C++ As you will soon learn, this flexibility is crucial to the way ... base class remain private to that base class Constructors and Inheritance In a hierarchy, it is possible for both base classes and derived classes to have their own constructors This raises an important...

Ngày tải lên: 27/01/2014, 02:20

... seem to imply that if you wanted a derived class to have access to some member in the base class, it would need to be public Of course, making the member public also makes it available to all ... a pointer to a base type can be used to point to any object derived from that base is extremely important, and fundamental to C++ As you will soon learn, this flexibility is crucial to the way ... base class remain private to that base class Constructors and Inheritance In a hierarchy, it is possible for both base classes and derived classes to have their own constructors This raises an important...

Ngày tải lên: 06/03/2014, 22:20

Ngày tải lên: 18/10/2013, 17:15

... C++ "waits" to see what object pointer ppet is actually pointing to before "binding" call Copyright © 2006 Pearson Addison- 15-31 Virtual Destructors ♦ Recall: destructors needed to de-allocate ... pBase; ♦ Would call base class destructor even though pointing to Derived class object! ♦ Making destructor virtual fixes this! ♦ Good policy for all destructors to be virtual Copyright © 2006 Pearson ... d1.savings(d2); ♦ Call in savings() to function bill() knows to use definition of bill() from DiscountSale class ♦ Powerful! Copyright © 2006 Pearson Addison- 15-18 Virtual: How? ♦ To write C++ programs:...

Ngày tải lên: 24/03/2014, 16:23

Ngày tải lên: 07/11/2012, 14:24

... not “too readily [submit] to paraphrase A poem ought not to be fissionable It ought to be impossible satisfactorily to separate ‘ideas’ from the poetic ‘embodiment’ When this can be done to a ... in the town below -Where strangers would have shut the many doors That many friends had opened long ago 17 A drunken man would not be able to feel so sad and look so far into the town, into his ... that he has to talk to himself, pretending he has a friend to talk to The entire poem observably aims at portraying the dual selves inside the character, and thus makes an effort to avoid specifying...

Ngày tải lên: 07/11/2012, 14:24

... first token in str Additional tokens can be obtained by calling strtok() with NULL passed for the str argument: char ∗ strtok(NULL, const char ∗ delims); Because strtok() uses a static variable to ... strtok() uses a static variable to store the pointer to the beginning of the next token, calls to strtok() for different strings cannot be interleaved The code for strtok() is provided below: char ∗ ... delimiters, is a token The process of extracting a token can be split into two parts: finding the beginning of the token (the first character that is not a delimiter), and finding the end of the token (the...

Ngày tải lên: 25/04/2013, 08:07

... first token in str Additional tokens can be obtained by calling strtok() with NULL passed for the str argument: char ∗ strtok(NULL, const char ∗ delims); Because strtok() uses a static variable to ... strtok() uses a static variable to store the pointer to the beginning of the next token, calls to strtok() for different strings cannot be interleaved The code for strtok() is provided below: char ∗ ... delimiters, is a token The process of extracting a token can be split into two parts: finding the beginning of the token (the first character that is not a delimiter), and finding the end of the token (the...

Ngày tải lên: 25/04/2013, 08:07

... struct tnode ∗ l e f t ; struct tnode ∗ r i g h t ; }; Use the template in Lec06 (slides 41) to add elements to the list (a) Write the function struct tnode∗ talloc(int data) that allocates a new node ... function void preorder(struct tnode∗ root) to display the elements using pre-order traver­ sal (d) Write function void inorder(struct tnode∗ root) to display the elements using in-order traversal ... function int deltree (struct tnode∗ root) to delete all the elements of the tree The function must return the number of nodes deleted Make sure not to use any pointer after it has been freed...

Ngày tải lên: 25/04/2013, 08:07

... many strings share a common prefix, this structure is a very inexpensive way to store them Another consequence of this storage method is that the trie supports very fast searching – the complexity ... trie structure and to implement a simple one-way Englishto-French dictionary The trie structure, shown in Figure 6.2-1, consists of nodes, each of which contains a string for storing translations ... translation string should be “comme,aimer.” To get you started, we’ve provided code in prob2.c, which can be downloaded from Stellar You will need to: • fill in the helper functions new node(),...

Ngày tải lên: 25/04/2013, 08:07

... s t a c k v a l u e s , new token (OPERAND, v a l u e ) ) ; default : f r e e ( ptoken ) ; /∗ f r e e to ken ∗/ break ; } i ++) { } /∗ r e t u r n v a l u e i s on top o f s t a c k ( s h o u ... t d e r r ) ; goto c l e a n u p ; } (b) Now, an infix calculator really is not complete if parentheses are not allowed So, in this part, update the function infix to postfix() to handle parentheses ... r e e ( ptoken ) ; /∗ p a r e n t h e s e s not i n c l u d e d i n p o s t f i x queue ∗/ while ( ( ptoken = pop(& s t a c k t o p ) ) ) { i f ( ptoken−>type == LPARENS) { f r e e ( ptoken )...

Ngày tải lên: 25/04/2013, 08:07

... peek by looking at top element • Can remove top element, move last element to top, and swap top element down with its children until it satisfies heap-ordering property: start at top find largest ... Header file declarations/prototypes mapped to symbols at compile time • Symbols linked to definitions in external libraries during linking • Our own program produces symbols, too Functions and variables ... default • To link against library libnamespec.so or libnamespec.a, use compiler flag -lnamespec to link against library • Library must be in library path (standard library directories + directories...

Ngày tải lên: 25/04/2013, 08:07

... fructose UDP-glucose is converted into UDPgalactose by GalE, and then β-1,4-GalT transfers galactose from UDP-galactose to acceptor (GlcNAc) to form N-acetyllactosamine (LacNAc, Gal-β-1,4-GlcNAc) ... Alpha-lactabumin firstly regulates enzyme galactosyltransferase to produce lactose in a reaction between UDP-galactose and glucose The biosynthetic steps leading from lactose to HMOs are currently not clear ... with lactose as a receptor Three grams of a mixture of 2′-fucosyllactose and lactoN-neofucopentaose-1 (in the ratio 23:57), was produced from 1L culture (5g.L-1 lactose) Yield of lacto-N-neofucopentaose-1...

Ngày tải lên: 28/08/2013, 16:28

... declared, we could write atoi (convert a string to int) in terms of it: /* atoi: convert string s to integer using atof */ int atoi(char s[]) { double atof(char s[]); return (int) atof(s); } Notice the ... Add the commands to print the top elements of the stack without popping, to duplicate it, and to swap the top two elements Add a command to clear the stack Exercise 4-5 Add access to library functions ... types To illustrate how to deal with this, let us write and use the function atof(s), which converts the string s to its doubleprecision floating-point equivalent atof if an extension of atoi,...

Ngày tải lên: 30/09/2013, 06:20

... IEnumerator^ GetEnumerator_G() sealed = IEnumerable::GetEnumerator { return GetEnumerator(); } public: IEnumerator^ GetEnumerator() { ListEnumerator^ ... ListEnumerator^ enumerator = gcnew ListEnumerator(this); return (IEnumerator^) enumerator; } // ListEnumerator is a struct that walks the list, pointing // to each element in turn ... that we had to add a destructor to the ListEnumerator class Without the destructor, the compiler complains that we did not implement IDisposable::Dispose This is because IEnumerator also inherits...

Ngày tải lên: 05/10/2013, 08:20

... virtual directories to point to different public folders or the private mailbox store You can also create virtual directories within other virtual directories, which enables you to create your ... Exchange 2000 stores virtual directories on the local drive Virtual directories point to news groups stored on a remote server 9LUWXDO#'LUHFWRULHV# An NNTP virtual directory is a directory on a local ... make are automatically stored in the Active Directory and then applied by the appropriate Exchange server The Directory Server to IIS Metabase component of Exchange polls Active Directory every...

Ngày tải lên: 10/12/2013, 16:15

... Message icon DefaultButton1 First button is default DefaultButton2 256 Second button is default DefaultButton3 512 Third button is default DefaultButton4 768 Fourth button is default ApplicationModal ... Button Modality INPUT/OUTPUT Button values determine which buttons appear in the dialog box Notice that you can’t choose which individual buttons to display; you can only choose groups of buttons ... Int(TotPmts) TotPmts Then TotPmts = Int(TotPmts) + Console.WriteLine(“The loan’s duration will be: “ & TotPmts & “ months”) The actual duration of this loan is 80 months, which corresponds to...

Ngày tải lên: 21/12/2013, 06:19

... tree) to the top of the worldwide naming tree • A domain is a subtree of the worldwide naming tree Netprog: DNS and Top level domains • edu, gov, com, net, org, mil, … • Countries each have a top ... The domain name system is usually used to translate a host name into an IP address • Domain names comprise a hierarchy so that names are unique, yet easy to remember Netprog: DNS and DNS Hierarchy ... IP address includes information used for routing • IP addresses are tough for humans to remember • IP addresses are impossible to guess – ever guessed at the name of a WWW site? Netprog: DNS and...

Ngày tải lên: 23/12/2013, 06:17