华为（·11）单词倒排

#include <iostream>
#include <string>
using namespace std;
void ReverseStringWord(const string &str)
{
   int pos1=0;
   int pos2=int(str.length()-1);
   for(int i=int(str.length()-1);i>=0;--i)
   {
        if( (str[i]>='a' && str[i]<='z') || (str[i]>='A' && str[i]<='Z'))
        {
                continue;
        }
        else if(str[i]=='-' && str[i-1]!='-')
        {
               continue;
        }
        else
        {
            pos1=i;
            if(str[i]=='-' && str[i-1]=='-')
            {
                for(int j=pos1+1;j<=pos2;++j)
                {
                   cout<<str[j];
                }
            }
            else
            {
                for(int j=pos1+1;j<=pos2;++j)
                {
                    if(str[j] != '-')
                        cout<<str[j];
                    else
                        continue;
                }
            }
            cout<<' ';
            while( !((str[pos1]>='a' && str[pos1]<='z') || (str[pos1]>='A' && str[pos1]<='Z')) )
            {
                --pos1;
            }
            pos2=pos1;
            i=pos1;
        }
    }

    //output first word
    for(int i=0;i<int(str.length()-1);++i)
    {
        if(((str[i]>='a' && str[i]<='z') || (str[i]>='A' && str[i]<='Z')))
            cout<<str[i];
        else if(str[i]=='-' && str[i-1]!='-')
        {
            continue;
        }
        else
        {
             break;
        }
    }
}
int main()
{
    string str;
    getline(cin,str);
    ReverseStringWord(str);
    return 0;
}