杭电oj 3079 Vowel Counting

 1 #include<stdio.h>
 2 #include<string.h>
 3 #include<ctype.h>
 4 int main()
 5 {
 6     int T;
 7     scanf("%d",&T);
 8     getchar();
 9     while(T--)
10     {
11         char ch[51];
12         gets(ch);
13         //先全部变为小写字母
14         for(int j = 0;j<strlen(ch);j++)
15         {
16             ch[j] = tolower(ch[j]);
17         }
18         for(int i = 0;i<strlen(ch);i++)
19         {
20             switch(ch[i])
21             {
22                 case ‘a‘: ch[i] = ‘A‘;break;
23                 case ‘e‘: ch[i] = ‘E‘;break;
24                 case ‘i‘: ch[i] = ‘I‘;break;
25                 case ‘o‘: ch[i] = ‘O‘;break;
26                 case ‘u‘: ch[i] = ‘U‘;break;
27             }
28         }
29         for(int i = 0;i < strlen(ch);i++)
30         {
31             printf("%c",ch[i]);
32         }
33         printf("\n");
34     }
35     return 0;
36 }