제출 #1318872

#제출 시각아이디문제언어결과실행 시간메모리
1318872husuuuTable Tennis (info1cup20_tabletennis)C++20
64 / 100
3097 ms81416 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 nc = n ; int k ; cin >> k ; n += k ; vector<int>a(n) ; map<int , int>mp ; map<int , int>pos ; for(int i = 0 ; i < n ; i ++) { cin >> a[i] ; mp[a[i]] ++ ; } if(nc == 2 and k == 1) { cout << a[0] << ' ' << a[1] ; return ; } sort(a.begin() , a.end()) ; for(int i = 0 ; i < n ; i ++) { pos[a[i]] = i ; } int nn = a.size() ; vector<bool>check(nn , 0) ; map<int , int>rep ; for(int i = 0 ; i <= k ; i ++) { int l = i ; int r = nn - (k - i) - 1 ; while(l < r) { int sum = a[l] + a[r] ; l ++ ; r -- ; rep[sum] ++ ; } } int sum = 0 ; int maks = -1 ; for(auto i : rep) { if(maks < i.ss) { maks = i.ss ; sum = i.ff ; } } //cout << sum << endl ; vector<int>ans ; for(int i = 0 ; i < n ; i ++) { if(check[i] == 0) { check[i] = 1 ; int dif = sum - a[i] ; if(mp[dif] == 1 and dif != a[i]) { ans.push_back(a[i]) ; ans.push_back(a[pos[dif]]) ; check[pos[dif]] = 1 ; if(ans.size() == nc) break ; } } } sort(ans.begin() , ans.end()) ; for(int i = 0 ; i < ans.size() ; i ++) { cout << ans[i] << ' ' ; } } /////////////////////////////////////////////// /////////////////////////////////////////////// signed main() { IO ; int t = 1 ; // cin >> t ; while(t --) { solve() ; cout << endl ; } }
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