左旋转字符串

void swap(char *str, int begin, int end)
{ char ch; while (begin < end)
    {
        ch = *(str + begin);
        *(str + begin) = *(str + end);
        *(str + end) = ch;
        begin++;
        end--;
    }
}

 void Rotate(char *str, int length ,int m)
{ if (NULL == str || length == 1)
    { return;
    }
    swap(str, 0, m - 1);
    swap(str, m, length - 1);
    swap(str, 0, length - 1);
}

 int _tmain(int argc, _TCHAR* argv[])
{ char chArr[] = "abcdef"; char *p = chArr;
    cout<2);
    cout<return 0;
}