結果

問題 No.3016 ハチマキおじさん
ユーザー ont
提出日時 2025-09-02 00:08:14
言語 C++23
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 91 ms / 2,000 ms
コード長 2,929 bytes
コンパイル時間 6,092 ms
コンパイル使用メモリ 335,672 KB
実行使用メモリ 11,740 KB
最終ジャッジ日時 2025-09-02 00:08:26
合計ジャッジ時間 11,617 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 31
権限があれば一括ダウンロードができます

ソースコード

diff # 

#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
template<typename T> using pq = priority_queue<T>;
template<typename T> using pq_g = priority_queue<T, vector<T>, greater<T>>;
using mint = modint998244353;
// using mint = modint1000000007;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()
#define NP next_permutation
#define endl "\n"
#define debug(x) cerr << #x << " = " << (x) << endl
const int INF = 2e9;
const ll LINF = 2e18;
void Yes(bool a) {cout << (a ? "Yes" : "No") << endl;}
void YES(bool a) {cout << (a ? "YES" : "NO") << endl;}
void Possible(bool a) {cout << (a ? "Possible" : "Impossible") << endl;}
void POSSIBLE(bool a) {cout << (a ? "POSSIBLE" : "IMPOSSIBLE") << endl;}
ll modPow(ll a, ll n, ll mod = LINF) {ll ret = 1; ll x = a % mod; while (n) {if (n & 1) ret = ret * x % mod; x = x * x % mod; n >>= 1;} return ret;}
template<typename T> T floor(T a, T b) {return a / b - (a % b && (a ^ b) < 0);}
template<typename T> T ceil(T a, T b) {return floor(a + b - 1, b);}
template<typename T> void vcin(vector<T> &a) {rep(i, int(a.size())) cin >> a[i];}
template<typename T, typename K> void vcin(vector<T> &a, vector<K> &b) {rep(i, int(a.size())) cin >> a[i] >> b[i];}
template<typename T> void vcout(vector<T> &a) {rep(i, int(a.size())) {cout << a[i] << " ";} cout << endl;}
template<typename T> void vcin(vector<vector<T>> &a) {rep(i, int(a.size())) rep(j, (int)a[i].size()) cin >> a[i][j];}
template<typename T> void vcout(vector<vector<T>> &a) {rep(i, int(a.size())) {rep(j, int(a[i].size())) {cout << a[i][j] << " ";} cout << endl;} cout << endl;}
template<typename T> auto vmin(vector<T> &a) {return *min_element(all(a));}
template<typename T> auto vmax(vector<T> &a) {return *max_element(all(a));}
template<typename T> auto vsum(vector<T> a) {return accumulate(all(a), T(0));}
template<typename T> bool chmin(T &a, T b){if(a > b){a = b; return true;} return false;}
template<typename T> bool chmax(T &a, T b){if(a < b){a = b; return true;} return false;}

void cincout() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(15);
}

 
int main() {
    cincout();

    int N;
    cin >> N;
    vector<ll> A(N), B(N - 1);
    vcin(A);
    vcin(B);
    sort(all(A));
    sort(all(B));

    vector<ll> S1(N), S2(N);
    for (int i = 0; i < N - 1; i++) S1[i + 1] = S1[i] + abs(A[i] - B[i]);
    for (int i = N - 2; i >= 0; i--) S2[i] = S2[i + 1] + abs(A[i + 1] - B[i]);
    ll ans = LINF;
    for (int i = 0; i < N; i++) chmin(ans, S1[i] + S2[i]);
    
    vector<ll> a;
    for (int i = 0; i < N; i++) if (ans == S1[i] + S2[i]) a.push_back(A[i]);
    a.erase(unique(all(a)), a.end());
    cout << a.size() << endl;
    for (ll x : a) cout << x << " ";
    cout << endl;
}
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