Files
OI-source/2.156.cpp
2023-08-03 09:22:52 +08:00

39 lines
688 B
C++

#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<algorithm>
using namespace std;
map<string,int> cnt;
vector<string> res,words;
string repr(const string& s)
{
string ans=s;
for(int i=0;i<ans.size();i++)
ans[i]=tolower(ans[i]);
sort(ans.begin(),ans.end());
return ans;
}
int main()
{
#ifdef local
freopen("pro.in","r",stdin);
#endif
int n=0;
string s;
while(cin>>s)
{
if(s=="#") break;
words.push_back(s);
s=repr(s);
if(!cnt.count(s)) cnt[s]=0;
cnt[s]++;
}
for(int i=0;i<words.size();i++)
if(cnt[repr(words[i])]==1) res.push_back(words[i]);
sort(res.begin(),res.end());
for(int i=0;i<res.size();i++)
cout<<res[i]<<endl;
return 0;
}