Ex005 字符的输出

 1 #include <stdio.h>
 2 main()
 3 {
 4     char ch,nch;
 5     int count;
 6     int k;
 7 
 8     printf("Please input a string with a # in the end\n");
 9     scanf("%c",&ch);
10     while(ch != ‘#‘)
11     {
12         if(ch >= ‘0‘ && ch <= ‘9‘)
13         {
14 
15             count = ch-‘0‘+1;
16             scanf("%c",&nch);
17             for(k=0;k<count;k++)
18                 printf("%c",nch);
19         }
20         else
21             printf("%c",ch);
22         printf(" ");
23         scanf("%c",&ch);
24     }
25     printf("#\n");
26 }