Personal assignments-Buy books

Title Requirements:

Bookstore for the "Harry Potter" series of books for promotional activities, a total of 5 volumes, with numbers 0, 1, 2, 3, 4, a single volume of 8 yuan, the specific discount is as follows:
Discount on this number
2 5%
3 10%
4 20%
5 25%
Depending on the number of volumes purchased and this number, different discount rules will be applicable. The singular book only corresponds to one discount rule, for example, two volume 1, one volume 2, you can enjoy 5% discount, another volume does not enjoy the discount.

Design ideas:

1. Enter the number of books to buy x?

2, a=x%8;

3. Define the variable y as the amount of money

4, if a==0,y=x/4*(8*4*0.8)

5, a!=0, make b=x%5, if b=0,c=0;=0b=1,c=8;b= 2,c=15.2;b=3,c=21.6;b=4,c=25.6;

Y= (X/5) *8*0.75+c
7. Output money y

SOURCE program:

1 ImportJava.util.Scanner;2  Public classMinmoney {3 4      Public Static voidMain (string[] args) {5         //TODO Auto-generated method stubs6System.out.println ("Please enter how many books you want to buy");7Scanner input=NewScanner (system.in);8       intx=input.nextint ();9       inta=x%8;//Special 8Ten       Doubley=0.0;// Money One       intB=x%5; A       DoubleC=0; -       if(a==0) -       { they=6.4*x; -       } -       Else -       { +           if(b==0) -           { +C=0; A           } at           Else if(b==1) -           { -C=8; -           } -           Else if(b==2) -           { inc=15.2; -           } to           Else if(b==3) +           { -c=21.6; the           } *           Else $           {Panax Notoginsengc=25.6; -           } they=6*x+C; +       } ASYSTEM.OUT.PRINTLN ("Minimum Cost" +y+ "Yuan")); the     } +  -}

：

Results Analysis:

Be sure to analyze the discount you want to make.

Personal assignments-Buy books