CCF_201604-3_路径解析

100分版

#include
#include
#include
using namespace std;

int main()
{
    char root[1005],each[2005];
    int n;
    scanf("%d",&n);
    getchar();
    gets(root);
    while(n--)
    {
        char ans[2005] = {0};
        gets(each);
        char *p1,*p2;
        if(each[0] != '/')
        {
            strcpy(ans,root);
            p1 = ans;
            while(*p1 != 0)     p1++;
            *p1 = '/';
            p2 = each;
        }
        else
        {
            p1 = ans;
            *p1 = '/';
            p2 = each;
        }
        while(*p2 != 0)
        {

            if(*p1 == '/' && *p2 == '.' && *(p2+1) =='.' && (*(p2+2) == '/' || *(p2+2) == 0))
            {
                if(p1 == ans)    {}
                else    while(*--p1 != '/');
                p2 += 2;
            }
            else if(*p1 == '/' && *p2 == '/')    p2++;
            else if(*p1 == '/' && *p2 == '.'  && (*(p2+1) == '/' || *(p2+1) == 0))    p2++;
            else    *++p1 = *p2++;
        }
        if(*p1 == '/' && p1 != ans)  *p1 = 0;
        else *(p1+1) = 0;
        puts(ans);
    }
    return 0;
}

我的60分

#include
#include

using namespace std;

int main()
{
    int n;
    string cur_category,tmp,tmp_category;
    vector category;
   cin>>n;
   cin>>cur_category;

   for(int i=0;i    {
       cin>>tmp;
       tmp_category=cur_category;
       while(1)
       {
            if(tmp.find("..",0)!=-1)
          {
                if(tmp_category.find_last_of('/',tmp_category.length()-1)==0)
                    tmp_category="/";
                else{tmp_category=tmp_category.substr(0,tmp_category.find_last_of('/',tmp_category.length()-1));}
                tmp=tmp_category+tmp.substr(tmp.find("..",0)+2,tmp.length()-tmp.find("..",0)-2);
          }
          else if(tmp.find('.',0)!=-1)
          {

              tmp=tmp.erase(tmp.find('.',0),2);
          }
          else if(tmp.find("//",0)!=-1)
          {
              tmp=tmp.erase(tmp.find("//",0),1);
          }
          else if(tmp[tmp.length()-1]=='/'&&tmp!="/")
            tmp=tmp.erase(tmp.length()-1,1);
          else
            break;
       }

       category.push_back(tmp);
   }
    for(int i=0;i     {
        cout<     }

    return 0;

}