2017-10-03-morning

 #include <algorithm>
 #include <cstring>
 #include <cstdio>

 inline void read(int &x)
 {
     x=; register char ch=getchar();
     for(; ch>''||ch<''; ) ch=getchar();
     for(; ch>=''&&ch<=''; ch=getchar()) x=x*+ch-'';
 }
 const int N();
 int n,num[],cnt,ans;
 long long a[N],tmp;
 char s[];

 int Presist()
 {
     freopen("a.in","r",stdin);
     freopen("a.out","w",stdout);
     read(n);
     for(int len; n--; cnt++)
     {
         scanf("%s",s+); len=strlen(s+);
         for(int i=; i<=len; ++i) num[i]=s[i]-'A'+;
         std::sort(num+,num+len+);
         for(int i=; i<=len; ++i)
             a[cnt]=a[cnt]*+num[i],s[i]=' ';
     }
     std::sort(a,a+cnt);
     for(int i=; i<cnt; ++i)
         if(tmp!=a[i]) ans++,tmp=a[i];
     printf("%d\n",ans);
     return ;
 }

 int Aptal=Presist();
 int main(int argc,char**argv){;}

hash判重AC

 /*
 呃呃呃
 */

未完成

 /*
 呃呃呃
 */

未完成