教材税务问题

Page 80, Listing 3.5. Use the tax rate listed in Table 3.6 to calculate personal tax.
Input 24 pairs of status (integer) and income (double) and print the corresponding tax.
Hint: Think about how to simplify your program.

书本80页，列表3.5。使用税表3.6计算美国的个人税。
读入24对个人状况(以整数描述)和收入(以实数描述)，然后打印出对应的税。
提示：本题难度较大，先想想如何简化本题。

Example input:

0 5000 0 20000 0 40000 0 80000 0 180000 0 400000
1 5000 1 20000 1 40000 1 80000 1 180000 1 400000
2 5000 2 20000 2 40000 2 80000 2 180000 2 400000
3 5000 3 20000 3 40000 3 80000 3 180000 3 400000

Example output:

Tax is 500
Tax is 2700
Tax is 7146
Tax is 18315
Tax is 50252
Tax is 130598
Tax is 500
Tax is 2400
Tax is 5400
Tax is 15396
Tax is 44813
Tax is 125159
Tax is 500
Tax is 2700
Tax is 7698
Tax is 19205
Tax is 54859
Tax is 139779
Tax is 500
Tax is 2500
Tax is 5806
Tax is 16606
Tax is 47275
Tax is 127621

 1 #include <iostream>
 2 using namespace std;
 3 
 4 void printTax(double level1,double level2,double level3,double level4,double level5)
 5 {
 6     double tax=0,income;
 7     cin >> income;
 8     if (income >= level5)
 9     {
10         tax += (income - level5) * 0.386;
11         income = level5;
12     }
13     if (income >= level4)
14     {
15         tax += (income - level4) * 0.35;
16         income = level4;
17     }
18     if (income >= level3)
19     {
20         tax += (income - level3) * 0.3;
21         income = level3;
22     }
23     if (income >= level2)
24     {
25         tax += (income - level2) * 0.27;
26         income = level2;
27     }
28     if (income >= level1)
29     {
30         tax += (income - level1) * 0.15;
31         income = level1;
32     }
33     if (income <= level1)
34     {
35 
36         tax += income * 0.1;
37     }
38     cout << "tax is " <<(int)tax << endl;
39 }
40 void printTax0() 
41 {
42     printTax(6000,27950,67700,141250,307050);
43 }
44 void printTax1() 
45 {
46     printTax(12000,46700,112850,171950,307050);
47 }
48 void printTax2()
49 {
50     printTax(6000,23350,56425,85975,153525);
51 }
52 void printTax3()
53 {
54     printTax(10000,37450,96700,156600,307050);
55 }
56 void function()
57 {
58     int number;
59     cin >> number;
60     switch(number){
61     case 0: printTax0();break;
62     case 1: printTax1();break;
63     case 2:    printTax2();break;
64     case 3: printTax3();break;
65     }
66 }
67 int main()
68 {
69 
70     function();
71     function();
72     function();
73     function();
74     function();
75     function();
76     function();
77     function();
78     function();
79     function();
80     function();
81     function();
82     function();
83     function();
84     function();
85     function();
86     function();
87     function();
88     function();
89     function();
90     function();
91     function();
92     function();
93     function();
94     return 0;
95 }

转载于:https://www.cnblogs.com/georgeisacoder/archive/2011/11/21/2257676.html