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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. #define pb push_back
  5. #define nl '\n'
  6. #define py cout << "YES\n"
  7. #define pn cout << "NO\n"
  8. const double eps = 1e-7; 
  9.  
  10. void fastio() {
  11.     ios_base::sync_with_stdio(false);
  12.     cin.tie(nullptr);
  13.     cout.tie(nullptr);
  14. }
  15.  
  16. void solve() {
  17.     int n; cin >> n;
  18.     map<string,int> mp;
  19.     for(int i = 0; i < n; i++){
  20.         string s; cin >> s;
  21.         mp[s]=i;
  22.     }
  23.  
  24.     vector<pair<int,string>> v;
  25.     for(auto it: mp){
  26.         v.pb({it.second, it.first});
  27.     }
  28.     sort(v.rbegin(), v.rend());
  29.     for(auto it: v){
  30.         cout << it.second << nl;
  31.     }
  32.  
  33. }
  34.  
  35. int main() {
  36.     fastio();
  37.     int t = 1;
  38.     //cin >> t;
  39.     while (t--)
  40.         solve();
  41.     return 0;
  42. }
  43.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
4
alex
ivan
roman
ivan
stdout 
ivan
roman
alex
https://ideone.com/5n9b5B
language:
C++ (gcc 8.3)
created:
13 days ago
visibility:
public

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