// Note:Your choice is C++ IDE
#include <iostream>
#include "stdio.h"
using namespace std;
int main()
{
    char a[50],c[50],h[50];
    int i,n=0,t=0,j=0,k=0,x=0,m=0;
    cout<<"输入一组文法规则，中间用$隔开："<<endl;
    gets(a);
    for(i=0;i<51 && a[i]!='\0';i++)
        {if(a[i]='$')m++;
            else
             if((a[i]>=65) && (a[i]<=97))
                 {n++;}
             else if((a[i]!='a')&&(a[i]<='z'))
                 {    t++;}
        }
         cout<<"文法规则个数为:"<<x;
            cout<<"大写字母的个数为"<<n;
             cout<<"小写字母的个数为："<<m<<endl;
         //输出大写字母和小写字母的过程开始
         i=0;j=0;
         while(( a[i]!='$') && (a[i]!='\0'))
         {
            c[j]=a[i];j++;i++;
         }
         i=0;j=0;
         while(c[j]!='$')
         {
             if( (c[j]>='A') && (c[j]<='Z'))//1
            while(c[i]!='\0')
            {
                h[k]=c[i];i++;
               if (h[k]!=c[i])h[k]=c[i];//打印大写母         
      for(k=0;k<51;k++)
                    cout<<h[k];
                j++;
            }
              i=0;j=0;k=0;
             while(c[j]!='\0')
             {
                if( (c[j]>='a') && (c[j]<='z'))//1
                   {while(c[i]!='\0')
                   {
                   h[k]=c[i];
                  i++;k++;
                   if (h[k]!=c[i])
                         h[k]=c[i];
                        //小写字母         
            for(k=0;k<51;k++)cout<<h[k];
                    j++;
                }
               }     
             }
         }
            return 0;
 }   
                  

[ 本帖最后由 小兰01 于 2009-9-9 16:05 编辑 ]

有什么问题？

执行结果不对。
前面统计的个数不对，后面打印大写字母和小写字母的语句不执行。