代码改变世界

用链表实现表单金额的大写格式输出

2014-08-16 11:06  fluker  阅读(185)  评论(0)    收藏  举报 
 1 include<iostream>
 2 using namespace std;
 3 #include<string>
 4 
 5 typedef int T;
 6 
 7 class List{
 8         struct Node{
 9                 T data1;
10                 string data2;
11                 Node* next;
12                 Node(const T& t=T(), string s=string()):data1(t),data2(s){next = NULL;}
13         };
14         Node* head;
15 public:
16         List():head(NULL){}
17         ~List(){clear();}
18 
19         void travel(){
20                 if(head == NULL)
21                         return;
22                 Node* p = head;
23                 while(p != NULL){
24                         cout << p->data1 << p->data2 << ' ';
25                         p = p->next;
26                 }
27         }
28         void insert_front(const T& t, string s){
29                 Node* p = new Node(t, s);
30                 p->next = head;
31                 head = p;
32         }
33         void clear(){
34                 if(head == NULL)
35                         return;
36                 Node* p = head;
37                 while(p != NULL){
38                         p = p->next;
39                         delete head;
40                         head = p;
41                 }
42         }
43 };
44 
45 int size(double n){
46         int cnt = 1;
47         for(; n >= 10;){
48                 n = n/10;
49                 cnt++;
50         }
51         return cnt;
52 }
53 int main()
54 {
55         List l;
56         string arr[9] = {"元", "拾", "佰", "仟", "万", "拾万", "佰万", "仟万", "亿"};
57         double dRmb;
58         double dTmp;
59         string tail = "整";
60         string strJiao = "角";
61         string strFen = "分";
62         int iJiao;
63         int iFen;
64         int iRmb;
65         bool tag = true;
66         cout << "Please input rmbNum:" << endl;
67         cin >> dRmb;
68         iRmb = (int)dRmb;
69         dTmp = (dRmb - iRmb) * 100;
70         cout << endl;
71         if(size(dRmb) > 9){
72                 cout << "The input number is too long!";
73                 return -1;
74         }
75         if(dRmb != (int)dRmb)
76                 tag = false;
77         for(int i = 0; dRmb > 0 && i < 9; ){
78                 l.insert_front((int)dRmb%10, arr[i++]);
79                 dRmb = (int)dRmb/10;
80         }
81         if(tag){
82                 l.travel();
83                 cout << tail << endl;
84         }
85         else{
86                 iFen = (int)dTmp%10;
87                 dTmp = dTmp/10;
88                 iJiao = (int)dTmp%10;
89                 l.travel();
90                 if(iFen == 0)
91                         cout << iJiao << strJiao << endl;
92                 else
93                         cout << iJiao << strJiao << ' ' << iFen << strFen << endl;
94         }
95 }