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Link to the question: Ultraviolet A 12326 HDU 4092 yummy triangular pizza N indicates that N is used to form a graph. The number of different triangles, rotation, and image can be considered the same. Solution: It is clever to refer to other people's ideas, mainly to build three-dimensional coordinate axes. Triangle X + Y + z = 0Inverted triangle X + Y + z =0 In this way, the images are added one by one from the triangle with the initial loading stat

A simple math problemTest instructions: How many blocks can the N knife divide the plane into?Idea: Recursion0 Knives: 1 pieces1 Knife: The Block2 Knives: 1+1+2 block3 Knives: 1+1+2+3 block......N Knives: 1+1+2+3+ ... N BlocksIE (1+n) *N/2 + 1 blocksCode:#include #include using namespace Std;Long long S;BOOL Datecin (){if (scanf ("%lld", s)!=eof){if (s>=0)return true;return false;}return false;}void Showres (){printf ("%lld\n", 1+s* (s+1)/2);}int main (){while (Datecin ()){Showres ();}return 0;}

http://acm.csu.edu.cn/OnlineJudge/showsource.php?id=97625#include 　　CSU 1535:pizza Voting (thinking)

Title: give you some characters, ask can compose several margarita.Analysis: Simple questions. Direct statistical calculation can be.Description: Recent state is somewhat unstable ╮(╯▽╰)╭.#include UVa 12626-i? Pizza

Title: give you some characters, ask can compose several margarita.Analysis: Simple questions. Direct statistical calculation is possible.Description: Recent state is somewhat unstable ╮(╯▽╰)╭.#include UVa 12626-i? Pizza

Heartily is coming, I also send a gift to the children, that is made with Photoshop pizza dry, look like it? Production process: 1. Create a new file and select the Text tool in the Toolbox to enter text in the file, as shown in Figure 01. 2, switch to the channel panel to choose a channel for replication, named new channel for Channel 1, press ctrl+i key to the channel reverse processing, the effect as shown in Figure 02. 3,

In the Version1 version of pizza's online ordering system, our ordering process is very simple. We just ordered one at a time and made improvements in version2, during the ordering process, we allow the user to confirm the order quantity. when

O2O Customer motivation of the Product That is, the customer's positioning and requirements for this product. Different products may vary greatly in terms of functions or design. The most common is follow-up products, such A mobile phone to be sent

As a child, the little Prince shining Golden Light, representing the heart of innocence, goodness. When you look up at the sky, reach for the dream; Do you remember the gold in your memory these years? This year children'

ones". 2.2 identifying changes Suppose you have another pizza shop. As the most advanced pizza director in the country, your code may be written like this. Public Pizza orderPizza (String type) {Pizza pizza, here, you must modify the if (type. equals ("cheese") {

Read headFirst design mode and headfirst Design Mode Every time I write a blog, I don't know how to introduce the topic to be written. This is a headache. Today, we will go straight to the door. What we want to learn today is the factory model, where factories are the place for mass manufacturing. Here, the factory is the place where mass production objects are located. Examples in learning books Assume that you have a pizza store named PizzaStore an

Identify changes Suppose you have a pizza store and your code may be written as follows: Pizza orderPizza () {Pizza pizza = new Pizza (); // to make the system flexible, we hope this is an abstract class or interface. However, in this case, these classes or interfaces canno

abstract factory role. It is only responsible for providing the interface that must be implemented by the specific factory subclass without touching the details of which product class should be instantiated.3) Abstract Factory mode (Abstract Factory): a toolbox that generates product families, but is not conducive to new products. Abstract Factory mode provides an interface for creating a series of or mutually dependent objects, instead of specifying specific classes. Instance S

A simple factory The "if Else" or "switch case" statements that are responsible for creating different classes depending on the situation in the code make up a simple factory, which is the production of a simple factory dedicated to the class. For example, head first cited pizza example, with samplepizzafactory responsible for the customer's choice to create Chesspizza, Greekpizza and other different kinds of

(); } Return self:: $uniqueInstance; } } $myClass = Myclass::getinstance (); Var_dump ($myClass); $myClass = Myclass::getinstance (); Var_dump ($myClass); ?> Factory method Mode Copy Code code as follows: Abstract class Pizzastore { Public Function Orderpizza ($type) { $pizza = $this->createpizza ($type); $pizza->prepare (); $

; Factory method modeCopy codeThe Code is as follows: Abstract class PizzaStore {Public function orderPizza ($ type ){$ Pizza = $ this-> createPizza ($ type ); $ Pizza-> prepare ();$ Pizza-> bake ();$ Pizza-> cut ();$ Pizza-> box ();Return $

: $ uniqueInstance = null ){ Self: $ uniqueInstance = new MyClass (); } Return self: $ uniqueInstance; } } $ MyClass = MyClass: getInstance (); Var_dump ($ myClass ); $ MyClass = MyClass: getInstance (); Var_dump ($ myClass ); ?> Factory method mode The code is as follows: Abstract class PizzaStore { Public function orderPizza ($ type ){ $ Pizza = $ this-> createPizza ($ type ); $ Pizza-> prepare ();

Function Orderpizza ($type) {$pizza = $this->createpizza ($type);$pizza->prepare ();$pizza->bake ();$pizza->cut ();$pizza->box ();return $pizza;}public abstract function Createpizza ($type);}Class Nypizzastore extends Pizzastore

(); Var_dump ($myClass); ?> Factory method Mode Copy CodeThe code is as follows: Abstract class Pizzastore { Public Function Orderpizza ($type) { $pizza = $this->createpizza ($type); $pizza->prepare (); $pizza->bake (); $pizza->cut (); $pizza->box (); return $

method modeCopy codeThe Code is as follows:Abstract class PizzaStore {Public function orderPizza ($ type ){$ Pizza = $ this-> createPizza ($ type );$ Pizza-> prepare ();$ Pizza-> bake ();$ Pizza-> cut ();$ Pizza-> box ();Return $ pizza