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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. #define ll long long
  6. #define ull unsigned ll
  7. #define ld long double
  8. typedef vector<int> vi;
  9. typedef multiset<int> mi;
  10. typedef multiset<ll> mll;
  11. typedef vector<ll> vll;
  12. typedef vector<bool> vb;
  13. typedef vector<string> vs;
  14. typedef set<ll> sll;
  15. typedef vector<vector<int>> _2vi;
  16. typedef vector<vector<ll>> _2vll;
  17. #define all(v) ((v).begin()), ((v).end())
  18. #define sz(v) ((ll)((v).size()))
  19.  
  20. #define vinp(v, n)                \
  21.     for (ull i = 0; i < (n); i++) \
  22.     cin >> (v)[i]
  23. #define printv(v)      \
  24.     for (auto i : (v)) \
  25.     cout << i << " "
  26. #define fr0(i, n) for (ull(i) = 0; (i) < (n); (i)++)
  27. #define fr1(i, n) for (ull(i) = 1; (i) < (n); (i)++)
  28. #define fr(i, x, n) for (ull(i) = (x); (i) < (n); (i)++)
  29. #define _CRT_SECURE_NO_WARNING
  30. const ll MOD = 1000000007;
  31.  
  32. void Bustany() {
  33.     ios_base::sync_with_stdio(false);
  34.     cin.tie(NULL);
  35.     cout.tie(NULL);
  36. #ifndef ONLINE_JUDGE
  37.     freopen("./in.txt", "r", stdin), freopen("./out.txt", "w", stdout);
  38. #endif
  39. }
  40.  
  41. const ll N = 1e5 + 5;
  42. vector<sll> adj(N);
  43. //_2vll adj(N,vll(N));
  44. vb vis;
  45.  
  46. ll n, k;
  47. map<ll, ll> freq;
  48.  
  49. bool can(ll mid) {
  50.     ll c = 0;
  51.     for (auto i: freq) {
  52.         c += i.second / mid;
  53.         if (c >= k)return true;
  54.     }
  55.     return false;
  56. }
  57.  
  58.  
  59. void solve() {
  60.     cin >> n >> k;
  61.     vll v(n);
  62.     fr0(i, n) {
  63.         cin >> v[i];
  64.         freq[v[i]]++;
  65.     }
  66.     ll l = 1, r = n, ans, mid;
  67.     while (l <= r) {
  68.         mid = (l + r) / 2;
  69.         if (can(mid)) {
  70.             ans = mid;
  71.             l = mid + 1;
  72.         } else {
  73.             r = mid - 1;
  74.         }
  75.     }
  76.     for (auto i: freq) {
  77.         ll c = i.second / ans;
  78.         while (k && c) {
  79.             cout << i.first << " ";
  80.             c--;
  81.             k--;
  82.         }
  83.         if (!k)break;
  84.     }
  85. }
  86.  
  87. int main() {
  88.     Bustany();
  89.     ll t = 1;
  90. //     cin >> t;
  91.     while (t--) {
  92.         solve();
  93.     }
  94. }
Success #stdin #stdout 0.01s 7764KB
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https://ideone.com/dE446o
language:
C++ (gcc 8.3)
created:
5 hours ago
visibility:
public

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