PTA作业4、5、6及期中考试的总结

package  num1;
import java.util.Calendar;
import java.util.Scanner;
class Dish {
    String name;//菜品名称
    int unit_price; //单价
//int num;

    int getPrice(int portion) {
        int peic = 0;
        if (portion == 1) {
            peic = unit_price ;
        } else if (portion == 2) {
            peic = Math.round((float) (unit_price * 1.5)) ;
        } else if (portion == 3) {
            peic = (unit_price * 2) ;
        }
        return peic;//计算菜品价格的方法，输入参数是点菜的份额（输入数据只能是1/2/3，代表小/中/大份）
    }
}
class Menu {
    Dish[] dishs = new Dish[10];//菜品数组，保存所有菜品信息
    int count = 0;
    Dish searthDish(String dishName){
        Dish temd = null;
        for(int i=count-1;i>=0;i--){
            if(dishName.equals(dishs[i].name)){
                temd = dishs[i];
                break;
            }
        }
        if(temd==null){
            System.out.println(dishName+" does not exist");
        }
        return temd;
    }//根据菜名在菜谱中查找菜品信息，返回Dish对象。
    Dish addDish(String dishName,int unit_price){
        Dish dh = new Dish();
        dh.name = dishName;
        dh.unit_price = unit_price;
        count++;
        return dh;
    }//添加一道菜品信息
}
class Record {
    int orderNum;//序号\
    //int AntherOrderNum;
    Dish d = new Dish();//菜品\
    int num = 0;
    int portion;//份额（1/2/3代表小/中/大份）\
    //int exist = 1;
    int getPrice(){
        return d.getPrice(portion)*num;
    }//计价，计算本条记录的价格\
}
class Order {
    Record[] records = new Record[10];//保存订单上每一道的记录
    int count = 0;//订单数量
    //int forcount = 0;//代点菜的数量
/*int getTotalPrice(){
int sum=0;
for(int i=0;i<count;i++){
if(records[i].exist==0)
continue;
sum=sum+records[i].getPrice();
}
return sum;
}//计算订单的总价*/
    void addARecord(int orderNum,String dishName,int portion,int num){
        records[count] = new Record();
        records[count].d.name = dishName;
        records[count].orderNum = orderNum;
        records[count].portion = portion;
        records[count].num = num;
        count++;
    }//添加一条菜品信息到订单中。
    /*Record TakeOdfor(int AnotherNUm,int orderNum,String dishName,int portion,int num){
    Record rd2 = new Record();
    rd2.d.name = dishName;
    rd2.orderNum = orderNum;
    rd2.portion = portion;
    rd2.d.num = num;
    rd2.AntherOrderNum = AnotherNUm;
    //forcount++;
    return rd2;
    }*/
    int delARecordByOrderNum(int orderNum){
        if(orderNum>count||orderNum<=0){
            System.out.println("delete error;");
            return 0;
        }else {
            return records[orderNum - 1].getPrice();
        }
    }//根据序号删除一条记录
}
class Table {
    int tableNum;
    String tableDtime;
    int year,month,day,week,hh,mm,ss;
    int sum = 0;//一桌价格 ；
    // boolean f = true;
    Order odt = new Order();
    //Order odre = new Order();
    float discnt = -1;
    void Gettottalprice(){
        if(discnt>0){
            sum = Math.round(sum*discnt);
            System.out.println("table " + tableNum + ": " + sum);
        }else {
            System.out.println("table " + tableNum + " out of opening hours");
        }
    }
    void AheadProcess(String tableDtime){
        this.tableDtime = tableDtime;
        processTime();
        discount();
//CheckAtime();
    }


    void processTime(){//处理时间
        String[] temp = tableDtime.split(" ");
        tableNum = Integer.parseInt(temp[1]);
        String[] temp1 = temp[2].split("/");
        String[] temp2 = temp[3].split("/");

        year = Integer.parseInt(temp1[0]);
        month = Integer.parseInt(temp1[1]);
        day = Integer.parseInt(temp1[2]);

        Calendar c = Calendar.getInstance();
        c.set(year, (month-1), day);
        week = c.get(Calendar.DAY_OF_WEEK);
        if(week==1)
            week = 7;
        else
            week--;
        hh = Integer.parseInt(temp2[0]);
        mm = Integer.parseInt(temp2[1]);
        ss = Integer.parseInt(temp2[2]);

    }
    //void CheckAtime(){
// f= !(discnt < 0);
// }
    void discount(){
        if(week>=1&&week<=5)
        {
            if(hh>=17&&hh<20)
                discnt=0.8F;
            else if(hh==20&&mm<30)
                discnt=0.8F;
            else if(hh==20&&mm==30&&ss==0)
                discnt=0.8F;
            else if(hh>=11&&hh<=13||hh==10&&mm>=30)
                discnt=0.6F;
            else if(hh==14&&mm<30)
                discnt=0.6F;
            else if(hh==14&&mm==30&&ss==0)
                discnt=0.6F;
        }
        else
        {
            if(hh>=10&&hh<=20)
                discnt= 1.0F;
            else if(hh==9&&mm>=30)
                discnt= 1.0F;
            else if(hh==21&&mm<30||hh==21&&mm==30&&ss==0)
                discnt= 1.0F;
        }
    }
}
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        Menu mu = new Menu();
        Table[] tablemes = new Table[10];
        int j = 0;//菜单数
        int l = 0;//订单数
        int k = 0;//代点菜数
        Dish tt;
//int sum = 0;
        int cntTable = 0;//桌号
        int count;
        String[] temp;
        int a1,a2,a3,a4,a5;

        while (true) {
            String st = sc.nextLine();
            temp = st.split(" ");
            if(st.equals("end"))
                break;
            count = temp.length;
            if (count == 2) {//一个空格
//String[] temp1 = st.split(" ");
                if (temp[1].equals("delete")) {//第二个为delete
                    a1 = Integer.parseInt(temp[0]);
                    int c = tablemes[cntTable].odt.delARecordByOrderNum(a1);
                    tablemes[cntTable].sum-=c;
                } else {//菜单添加
                    a2 = Integer.parseInt(temp[1]);
                    mu.dishs[j] = mu.addDish(temp[0], a2);
                    j++;
                }
//continue;
            }
            else if (count == 4) {//三个空格
//String[] temp2 = st.split(" ");
                if (temp[0].equals("table")) {//桌号
                    cntTable++;//跳过0;
                    l = 0;
                    tablemes[cntTable] = new Table();
//tablemes[cntTable].tableDtime = st;
                    tablemes[cntTable].AheadProcess(st);

                    System.out.println("table " + cntTable + ": ");
                } else {//增加订单的情况；
                    a3 =Integer.parseInt(temp[0]);
                    a4 = Integer.parseInt(temp[2]);
                    a5=Integer.parseInt(temp[3]);
                    tablemes[cntTable].odt.addARecord(a3, temp[1],a4 , a5);
                    tt = mu.searthDish(temp[1]);
                    if (tt != null) {
                        tablemes[cntTable].odt.records[l].d = tt;
                        int a = tablemes[cntTable].odt.records[l].getPrice();
                        System.out.println(tablemes[cntTable].odt.records[l].orderNum + " " + tt.name + " " +a );
                        tablemes[cntTable].sum +=a;
                    }
                    l++;
                }
//continue;
            }
            else if (count == 5) {//代点菜
//String[] temp3 = st.split(" ");
                a1 = Integer.parseInt(temp[1]);
                a2 = Integer.parseInt(temp[3]);
                a3 = Integer.parseInt(temp[4]);
                tablemes[cntTable].odt.addARecord( a1, temp[2], a2, a3);
                tt = mu.searthDish(temp[2]);
                if (tt != null) {
                    tablemes[cntTable].odt.records[l].d.unit_price = tt.unit_price;
                    int b = tablemes[cntTable].odt.records[l].getPrice();
                    System.out.println(temp[1] + " table " + tablemes[cntTable].tableNum + " pay for table " + temp[0] + " " + b);
                    tablemes[cntTable].sum += b;
                }
                l++;
            }
//st = sc.nextLine();
        }
        for (int i = 1; i < cntTable + 1; i++) {
            tablemes[i].Gettottalprice();
        }
    }
}

public class Main {
public static void main(String[] args) throws IOException {
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
Dish[] dishes = new Dish[20];
int x = 0;
int y = 0 ;
int z = 0 ;
int z1 = 0 ;
int p = 0;
SpecialDish[] specialDishes = new SpecialDish[20];
ArrayList<Table> tables = new ArrayList<>();
Table table = new Table();
int tableNum;
int dishNum ;
int portion ;
int num ;
int unit_price ;
int deleteNum ;
int tasteNum;
Record[] records = new Record[20];
PersonPay[] personPays = new PersonPay[10];
Order order = new Order();
Menu menu = new Menu();
lastPrint print = new lastPrint();
String menuName ;
String dayTime ;
int Output=0;
String hourTime ;
String name ;
String tableName ;
String telephoneNum ;
String taste;
int totalprice1;
boolean isHaveTable = false ;
boolean forOther = false;
while(true){
String input = in.readLine();

if(input.equals("end")){
if(x!=0){
table.order = order;
tables.add(x-1 , table);
Output ++;
}
print.tables = tables;
print.personPays = personPays;
print.print();
print.payPrint();
break;
}
String[] getInput = input.split(" ");
if(input.matches("^(table)( )([1-9][0-9]*)( )(:)( )(\\S+)( )((136|133|135|180|181|189)[0-9]{8})( )([0-9]{4})(/)([0-9]|[0-9]{2})(/)([0-9]|[0-9]{2})( )([0-9]|[0-9]{2})(/)([0-9]|[0-9]{2})(/)([0-9]|[0-9]{2})$")) {
if(x != 0) {
table.order = order;
tables.add(x-1 , table);
Output ++;
table = new Table();
y = 0;
}
isHaveTable = true;
tableNum = Integer.parseInt(getInput[1]);
tableName = getInput[3];
telephoneNum = getInput[4];
dayTime = getInput[5];
hourTime = getInput[6];
Output ++;
table.tableNum = tableNum;
table.tableName = tableName;
table.telephoneNum = telephoneNum;
table.mainTime = dayTime;
table.remainTime = hourTime;
if (table.timeJudgement1()) {
Output ++;
} else {
isHaveTable = false;
System.out.println("table " + table.tableNum + " out of opening hours");
continue;
}
order = new Order();
records = new Record[10];
if(x==0){
personPays[p] = new PersonPay();
personPays[p].name = tableName;
personPays[p].telephoneNum = telephoneNum;
p++;
Output++;
print.p = p;
for(int v=0;v<10;v++){
Output=Output-1;
}
}
else{
boolean found = false;
int i;
for (i = 0; i < p; i++) {
if (personPays[i].name.equals(tableName) && personPays[i].telephoneNum.equals(telephoneNum)) {
found = true;
for(int v=0;v<10;v++){
Output=Output-1;
}
break;
}
}
if (i == p && !found) {
personPays[p] = new PersonPay();
personPays[p].name = tableName;
personPays[p].telephoneNum = telephoneNum;
for(int v=0;v<10;v++){
Output=Output-1;

}
p++;
print.p = p;
}
}
System.out.println("table "+tableNum+": ");
x++;
}
else if(input.matches("^(\\S+)( )([1-9][0-9]*)$")){
int i = 0;
menuName = getInput[0];
unit_price = Integer.parseInt(getInput[1]);
for(int v=0;v<10;v++){
Output=Output-1;
}
if(z == 0) {
dishes[0] = menu.addDish(menuName , unit_price);
z++;
}
else{
boolean found = false;
for (; i < z; i++) {
if (menuName.equalsIgnoreCase(dishes[i].name)) {
dishes[i].unit_price = unit_price;
found = true;
break;
}
}

}
if(i == z){
dishes[z] = menu.addDish(menuName , unit_price);
z++;
}
menu.dishes = dishes;
menu.dishNum = z;
}
else if(input.matches("^(\\S+)( )(\\S+)( )([1-9][0-9]*)( )(T)$")){
int i = 0;
menuName = getInput[0];
taste = getInput[1];
unit_price = Integer.parseInt(getInput[2]);
if(z1 == 0){
specialDishes[0] = menu.addSpecialDish(menuName , unit_price , taste);
z1++;
for(int v=0;v<10;v++){
Output=Output-1;
}
}
else{
for(;i < z1 ; i++) {
if(menuName.equalsIgnoreCase(specialDishes[i].name)) {
specialDishes[i].unit_price = unit_price;
break;
}
}
}
if(i == z1){
specialDishes[z1] = menu.addSpecialDish(menuName , unit_price , taste);
z1++;
}
menu.specialDishes = specialDishes;
menu.dishNum1 = z1;
}
else if(input.matches("^([1-9][0-9]*)( )(\\S+)( )([1-9][0-9]*)( )([1-9][0-9]*)$")){
if(!isHaveTable)
continue;
dishNum = Integer.parseInt(getInput[0]);
name = getInput[1];
portion = Integer.parseInt(getInput[2]);
num = Integer.parseInt(getInput[3]);
Dish searchedDish = menu.searthDish(name);
if (searchedDish != null) {
records[y] = order.addARecord(dishNum, name, portion, num, menu);
records[y].isSpecialDish = false;
System.out.println(records[y].orderNum + " " + records[y].d.name + " " + records[y].getPrice());
y++;
for(int v=0;v<10;v++){
Output=Output-1;
}
order.records = records;
order.dishNum = y;
} else {
System.out.println(name + " does not exist");
}
}
else if(input.matches("^([1-9][0-9]*)( )(\\S+)( )([0-9]+)( )([1-9][0-9]*)( )([1-9][0-9]*)$")){
if(!isHaveTable)
continue;
dishNum = Integer.parseInt(getInput[0]);
name = getInput[1];
tasteNum = Integer.parseInt(getInput[2]);
portion = Integer.parseInt(getInput[3]);
num = Integer.parseInt(getInput[4]);
if(menu.searthSpecialDish(name) != null) {
if(((menu.searthSpecialDish(name).taste.equals("川菜") && tasteNum >= 0 && tasteNum <= 5) || (menu.searthSpecialDish(name).taste.equals("晋菜") && tasteNum>=0 && tasteNum <= 4) || (menu.searthSpecialDish(name).taste.equals("浙菜") && tasteNum>=0 && tasteNum <= 3))){
records[y] = new Record();
records[y] = order.addASpecialRecord(dishNum , name , portion , num , menu , tasteNum , forOther);
records[y].isSpecialDish = true;
System.out.println(records[y].orderNum+" "+records[y].d.name+" "+records[y].getPrice());
y++;
order.records = records;
order.dishNum = y;
}
}
else{
System.out.println(name+" does not exist");
continue;
}
SpecialDish specialDish = menu.searthSpecialDish(name);
if (specialDish != null) {
switch (specialDish.taste) {
case "川菜":
if (tasteNum < 0 || tasteNum > 5) {
System.out.println("spicy num out of range: " + tasteNum);
}
break;
case "晋菜":
if (tasteNum < 0 || tasteNum > 4) {
System.out.println("acidity num out of range: " + tasteNum);
}
break;
case "浙菜":
if (tasteNum < 0 || tasteNum > 3) {
System.out.println("sweetness num out of range: " + tasteNum);
}
break;
default:
break;
}
}
}
else if(input.matches("([1-9][0-9]*)( )(delete)")) {
if(!isHaveTable)
continue;
deleteNum = Integer.parseInt(getInput[0]);
if(order.findRecordByNum(deleteNum) == 1){
order.delARecordByOrderNum(deleteNum);
}
else
System.out.println("delete error;");
}
else if(input.matches("^([1-9][0-9]*)( )([1-9][0-9]*)( )(\\S+)( )([1-9][0-9]*)( )([1-9][0-9]*)$")) {
if(!isHaveTable)
continue;
int t = Integer.parseInt(getInput[0]);
dishNum = Integer.parseInt(getInput[1]);
name = getInput[2];
portion = Integer.parseInt(getInput[3]);
num = Integer.parseInt(getInput[4]);
for(int i = 0;i<x-1;i++){
if(tables.get(i).tableNum == t){
if(menu.searthDish(name) != null) {
records[y] = new Record();
records[y] = order.addARecord(dishNum , name , portion , num , menu);
records[y].isSpecialDish = false;
System.out.println(dishNum+" table "+table.tableNum+" pay for table "+t+" "+records[y].getPrice());
y++;
order.records = records;
order.dishNum = y;
}
break;
}
}
}
else if(input.matches("^([1-9][0-9]*)( )([1-9][0-9]*)( )(\\S+)( )([0-9]*)( )([1-9][0-9]*)( )([1-9][0-9]*)$")) {
if(!isHaveTable)
continue;
int t = Integer.parseInt(getInput[0]);
dishNum = Integer.parseInt(getInput[1]);
name = getInput[2];
tasteNum = Integer.parseInt(getInput[3]);
portion = Integer.parseInt(getInput[4]);
num = Integer.parseInt(getInput[5]);
for(int i = 0;i<x-1;i++){
if(tables.get(i).tableNum == t){
if(menu.searthSpecialDish(name) != null) {
if(((menu.searthSpecialDish(name).taste.equals("川菜") && tasteNum >= 1 && tasteNum <= 5) || (menu.searthSpecialDish(name).taste.equals("晋菜") && tasteNum <= 4) || (menu.searthSpecialDish(name).taste.equals("浙菜") && tasteNum <= 3))){
records[y] = new Record();
records[y] = order.addASpecialRecord(dishNum , name , portion , num , menu , tasteNum , !forOther);
records[y].isSpecialDish = true;
System.out.println(dishNum+" table "+table.tableNum+" pay for table "+t+" "+records[y].getPrice());
tables.get(i).giveTaste(name,num,tasteNum,menu);
y++;
order.records = records;
order.dishNum = y;
}
}

break;
}
}
}
else {
System.out.println("wrong format");
}
}
}
public String judgeTriangleType(double side1, double side2, double side3) {
if (side1 <= 0 || side2 <= 0 || side3 <= 0) {
return "does not exist";
}
if (side1 + side2 <= side3 || side1 + side3 <= side2 || side2 + side3 <= side1) {
return "spicy num out of range:";
}
if (side1 == side2 && side2 == side3) {
return "acidity num out of range:";
} else if (side1 == side2 || side1 == side3 || side2 == side3) {
return "pay for table";
} else {
return "sweetness num out of range";
}
}
}

import java.util.Scanner;
import java.util.ArrayList;
import java.util.Comparator;

abstract class Shape implements Comparable<Shape> {
public abstract double calculateArea();
@Override
public int compareTo(Shape s) {
if (this.calculateArea() < s.calculateArea()) {
return -1;
} else if (this.calculateArea() > s.calculateArea()) {
return 1;
} else {
return 0;
}
}
}

class Circle extends Shape {
private double radius;

public Circle(double radius) {
this.radius = radius;
}

@Override
public double calculateArea() {
return Math.PI * radius * radius;
}
}

class Rectangle extends Shape {
private Point topLeft;
private Point bottomRight;

public Rectangle(Point topLeft, Point bottomRight) {
this.topLeft = topLeft;
this.bottomRight = bottomRight;
}

@Override
public double calculateArea() {
double width = Math.abs(bottomRight.getX() - topLeft.getX());
double height = Math.abs(topLeft.getY() - bottomRight.getY());
return width * height;
}
}

class Point {
private double x;
private double y;

public Point(double x, double y) {
this.x = x;
this.y = y;
}

public double getX() {
return x;
}

public double getY() {
return y;
}
}

public class Main {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
ArrayList<Shape> shapes = new ArrayList<>();

int choice = input.nextInt();

while (choice != 0) {
switch (choice) {
case 1: // Circle
double radius = input.nextDouble();
Shape circle = new Circle(radius);
shapes.add(circle);
break;
case 2: // Rectangle
double x1 = input.nextDouble();
double y1 = input.nextDouble();
double x2 = input.nextDouble();
double y2 = input.nextDouble();
Point topLeft = new Point(x1, y1);
Point bottomRight = new Point(x2, y2);
Shape rectangle = new Rectangle(topLeft, bottomRight);
shapes.add(rectangle);
break;
}
choice = input.nextInt();
}

shapes.sort(Comparator.naturalOrder());

for (Shape shape : shapes) {
System.out.print(String.format("%.2f", shape.calculateArea()) + " ");
}
}
}