codeforces 118A

http://codeforces.com/problemset/problem/118/A

 1 #include<iostream>
 2 #include<string>
 3 #include<queue>
 4 using namespace std;
 5 string a;
 6 queue<char>b;
 7 bool is_vowel(char aa)
 8 {
 9     if(aa=='a' || aa=='e' || aa=='i' || aa=='o' || aa=='u' ||aa=='y'||aa=='A' || aa=='E' || aa=='I' || aa=='O' || aa=='U' ||aa=='Y')
10         return true;
11     return false;
12 }
13 bool is_up(char aa)
14 {
15     if(aa<97)
16         return true;
17     return false;
18 }
19 int main()
20 {
21     while(cin>>a)
22     {
23         int len=a.length();
24         for(int i=0; i<len; i++)
25         {
26             if(is_vowel(a[i]))
27                 continue;
28             else if(!is_vowel(a[i]))
29             {
30                 if(is_up(a[i]))
31                 {
32                     b.push('.');
33                     b.push((char)(a[i]+32));
34                 }
35                 else
36                 {
37                     b.push('.');
38                     b.push(a[i]);
39                 }
40             }
41         }
42        while(b.size())
43       {
44         cout<<b.front();
45         b.pop();
46        }
47        cout<<endl;
48     }
49 
50     return 0;
51 }

 

posted @ 2013-08-12 23:05  JKXQJ  阅读(507)  评论(0)  编辑  收藏  举报