Submission #1319115

#TimeUsernameProblemLanguageResultExecution timeMemory
1319115husuuuTable Tennis (info1cup20_tabletennis)C++20
34 / 100
95 ms23188 KiB
#include <bits/stdc++.h>
using namespace std;
///////////////////////////////////////////////
#define int long long
#define endl "\n"
#define IO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define INF 0x3F3F3F3F3F3F3F3F
#define ss second
#define ff first
#define pb push_back
#define ins insert
#define fori for(int i = 0 ; i < n ; i ++)
///////////////////////////////////////////////
const int sz = 2e3 + 5 ;
const int LG = 20 ;
const int N = 1e3 ;
const int mod = 1e9 + 7 ;
const int MAXM = 1e5 ;
///////////////////////////////////////////////
///////////////////////////////////////////////
void solve() {
  int n ;
  cin >> n ;
  int k ;
  cin >> k ;
  int m = n + k ;
  vector<int>a(m) ;
  map<int , int>pos ;
  map<int , int>mp ;
  for(int i = 0 ; i < m ; i ++) {
    cin >> a[i] ;
    pos[a[i]] = i ;
    mp[a[i]] ++ ; 
  }
  sort(a.begin() , a.end()) ;
  map<int , int> rep ;
  for(int i = 0 ; i <= min(k , m) ; i ++) {
    for(int j = 0 ; j <= min(k , m) ; j ++) {
      rep[a[i] + a[m - j - 1]] ++ ;
      rep[a[i] + a[m - j - 1]] ++ ;
    }
  }
  vector<int>sums ;
  int maks = -1 ;
  for(auto i : rep) {
    if(maks < i.ss) {
      maks = i.ss ;
    }
  }
  for(auto i : rep) {
    if(i.ss == maks) {
      sums.push_back(i.ff) ;
    }
  }
  //cout << "SUm " << sum << ' ' << rep[sum] << endl ;
  for(int sum : sums) {
    vector<int>ans ;
    vector<bool>check(m , 0) ;
    int l = 0 ;
    int r = m - 1 ;
    while(l < r) {
      if(a[l] + a[r] == sum) {
        ans.push_back(a[l]) ;
        ans.push_back(a[r]) ;
        l ++ ;
        r -- ;
      }
      else if(a[l] + a[r] < sum) {
        l ++ ;
      }
      else {
        r -- ;
      }
      if(ans.size() == n) {
        sort(ans.begin() , ans.end()) ;
        for(int j = 0 ; j < n ; j ++) cout << ans[j] << ' ' ;
        return ;
      }
    }
  }
}
///////////////////////////////////////////////
///////////////////////////////////////////////
signed main() {
  IO ;
  int t = 1 ; // cin >> t ;
  while(t --) {
    solve() ;
    cout << endl ;
  }
}
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