Submission #1227041

---

Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
  string s;
  set<string> ans;
  getline(cin,s);
  for(int i=0;i<s.size();i++){
    if(s[i]=='@'){
      string ss;
      i++;
      while(i<s.size()&&'a'<=s[i]&&s[i]<='z')ss+=s[i],i++;
      if(ss.size())ans.insert(ss);
    }
  }
  for(auto i:ans) cout<<i<<endl;
  
  return 0;
}

Submission Info

Judge Result