hdu 1.2.5

 #include<cstdio>
 #include<cstring>
 int main()
 {
     //freopen("input.txt","r",stdin);
     int i;
     char a[];
     while(gets(a))
     {
         if(a[] == '#') break;
         for(i = ; i < strlen(a); i++)
         {
             if(a[i] == ' ') printf("%%20");  //注意“%”的输出要用转义字符
             else if(a[i] == '!') printf("%%21");
             else if(a[i] == '$') printf("%%24");
             else if(a[i] == '%') printf("%%25");
             else if(a[i] == '(') printf("%%28");
             else if(a[i] == ')') printf("%%29");
             else if(a[i] == '*') printf("%%2a");
             else putchar(a[i]);
         }
         puts("");
     }

     return ;
 }