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vector<double> temps;
double temp;
while (cin >> temp)
   temps.push_back(temp);
double sum = 0;
for (int i = 0; i < temps.size(); ++i) sum += temps[i];
cout << "Mittlerer Temperaturwert: " << sum/temps.size() << endl;
sort(temps.begin(),temps.end());
cout << "Zentraler Temperaturwert: " << temps[temps.size()/2];
cin.clear();

vector<string> words;
string temp;
while (cin>>temp)
  words.push_back(temp);
cout << "Anzahl Wörter: " << words.size() << endl;
sort(words.begin(),words.end());
for (int i = 0; i < words.size(); ++i)
   if (i==0 || words[i-1]!=words[i])
     cout << words[i] << "\n";
cin.clear();