1002 写出这个数 (20分)

 1 #include<iostream>
 2 #include<vector>
 3 #include<string>
 4 using namespace std;
 5 
 6 int main()
 7 {
 8     int sum=0,tem;
 9     string str;
10     cin>>str;
11     for(unsigned int i=0;i<str.length();i++)
12     {
13         tem=str[i]-‘0‘;  //把char型数字转换成对应的int型
14         sum+=tem;        //sum<=900
15     }
16     vector<string> v;
17     for(int i=sum;i!=0;i/=10)   //9  25  346
18     {
19         switch(i%10)
20         {
21             case 0: v.push_back("ling");break;
22             case 1: v.push_back("yi");break;
23             case 2: v.push_back("er");break;
24             case 3: v.push_back("san");break;
25             case 4: v.push_back("si");break;
26             case 5: v.push_back("wu");break;
27             case 6: v.push_back("liu");break;
28             case 7: v.push_back("qi");break;
29             case 8: v.push_back("ba");break;
30             default: v.push_back("jiu");
31         }
32     }
33     vector<string>::iterator iter;
34     for(iter=v.end()-1;iter!=v.begin();iter--)
35         cout<<*iter<<" ";
36     cout<<*iter;
37     return 0;
38 }