猜测用户的输入星期几

请输入星期几的第一个字母来判断一下是星期几，如果第一个字母一样，则继续判断第二个字母。
   1 #include <stdio.h>
 
 2 #include<conio.h>
 3 int main()
 4 {
 5     char letter;
 6     printf("please input the first letter:/n");
 7     while((letter = getch())!='Q'&&letter!='q')
 8     {
 9         printf("%c:/n",letter);
10         if(letter=='/n')
11         {
12             printf("/n");
13             continue;
14         }
15
16         switch(letter)
17         {
18         case 'M':
19             printf("Monday/n/n");
20             break;
21
22         case 'T':
23             printf("please input next letter:/n");
24             letter = getch();
25             if(letter=='U'||letter=='u')
26                 printf("Tuesday/n/n");
27             else if(letter=='h'||letter=='H')
28                 printf("Thursday/n/n");
29             else
30                 printf("not weekday!/n/n");
31             break;
32
33         case 'W':
34             printf("Wensday/n/n");
35             break;
36
37         case 'F':
38             printf("Friday/n/n");
39             break;
40
41         case 'S':
42             printf("please input next letter:/n");
43             if((letter=getch())=='A')
44                 printf("Satuday/n/n");
45             else if(letter=='U'||letter=='u')
46                 printf("Sunday/n/n");
47             else
48                 printf("not weekday!/n/n");
49             break;
50
51         default:
52             printf("^v^ not defined yet ^v^/n/n");
53             break;
54         }
55         //printf("%c/n",letter);
56     }
57     return 0;
58 }
 
 




摘自 zhengmian