結果

問題 No.2740 Old Maid
ユーザー hamathhamath
提出日時 2024-04-20 18:05:16
言語 C++23
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 171 ms / 2,000 ms
コード長 5,403 bytes
コンパイル時間 3,404 ms
コンパイル使用メモリ 271,068 KB
実行使用メモリ 17,600 KB
最終ジャッジ日時 2024-10-12 14:04:54
合計ジャッジ時間 10,023 ms
ジャッジサーバーID
(参考情報)
judge / judge3
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 109 ms
15,744 KB
testcase_01 AC 113 ms
15,744 KB
testcase_02 AC 109 ms
15,744 KB
testcase_03 AC 107 ms
15,744 KB
testcase_04 AC 107 ms
15,744 KB
testcase_05 AC 107 ms
15,744 KB
testcase_06 AC 109 ms
15,744 KB
testcase_07 AC 111 ms
15,744 KB
testcase_08 AC 107 ms
15,744 KB
testcase_09 AC 111 ms
15,744 KB
testcase_10 AC 109 ms
15,744 KB
testcase_11 AC 108 ms
15,616 KB
testcase_12 AC 112 ms
14,088 KB
testcase_13 AC 128 ms
14,732 KB
testcase_14 AC 21 ms
6,820 KB
testcase_15 AC 30 ms
6,816 KB
testcase_16 AC 83 ms
11,204 KB
testcase_17 AC 20 ms
6,816 KB
testcase_18 AC 118 ms
14,484 KB
testcase_19 AC 42 ms
7,680 KB
testcase_20 AC 141 ms
15,860 KB
testcase_21 AC 24 ms
6,816 KB
testcase_22 AC 78 ms
10,852 KB
testcase_23 AC 15 ms
6,816 KB
testcase_24 AC 41 ms
7,456 KB
testcase_25 AC 158 ms
16,568 KB
testcase_26 AC 3 ms
6,816 KB
testcase_27 AC 10 ms
6,816 KB
testcase_28 AC 79 ms
11,144 KB
testcase_29 AC 74 ms
10,696 KB
testcase_30 AC 4 ms
6,816 KB
testcase_31 AC 171 ms
17,600 KB
testcase_32 AC 48 ms
8,608 KB
testcase_33 AC 162 ms
16,896 KB
testcase_34 AC 78 ms
10,584 KB
testcase_35 AC 40 ms
7,384 KB
testcase_36 AC 42 ms
7,552 KB
testcase_37 AC 62 ms
9,652 KB
testcase_38 AC 35 ms
7,004 KB
testcase_39 AC 19 ms
6,820 KB
testcase_40 AC 97 ms
12,228 KB
testcase_41 AC 144 ms
15,732 KB
testcase_42 AC 2 ms
6,816 KB
testcase_43 AC 2 ms
6,820 KB
testcase_44 AC 2 ms
6,816 KB
testcase_45 AC 2 ms
6,820 KB
testcase_46 AC 1 ms
6,824 KB
testcase_47 AC 2 ms
6,820 KB
testcase_48 AC 1 ms
6,816 KB
testcase_49 AC 2 ms
6,816 KB
testcase_50 AC 2 ms
6,820 KB
testcase_51 AC 2 ms
6,816 KB
testcase_52 AC 2 ms
6,816 KB
testcase_53 AC 1 ms
6,816 KB
testcase_54 AC 1 ms
6,820 KB
testcase_55 AC 2 ms
6,816 KB
testcase_56 AC 2 ms
6,816 KB
testcase_57 AC 1 ms
6,820 KB
testcase_58 AC 1 ms
6,820 KB
testcase_59 AC 2 ms
6,820 KB
testcase_60 AC 2 ms
6,816 KB
testcase_61 AC 2 ms
6,816 KB
testcase_62 AC 2 ms
6,816 KB
testcase_63 AC 2 ms
6,820 KB
testcase_64 AC 2 ms
6,816 KB
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 #

#ifdef LOCAL
//#define _GLIBCXX_DEBUG
#else
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
//#pragma GCC target("avx512f,avx512dq,avx512cd,avx512bw,avx512vl")
#endif

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> P;
typedef pair<int, int> Pi;
typedef vector<ll> Vec;
typedef vector<int> Vi;
typedef vector<string> Vs;
typedef vector<char> Vc;
typedef vector<P> VP;
typedef vector<VP> VVP;
typedef vector<Vec> VV;
typedef vector<Vi> VVi;
typedef vector<Vc> VVc;
typedef vector<VV> VVV;
typedef vector<VVV> VVVV;
typedef vector<VVVV> VVVVV;
typedef vector<VVVV> VVVVVV;
#define MAKEVV(variable, a, ...) VV variable(a, Vec(__VA_ARGS__))
#define MAKEVVc(variable, a, ...) VVc variable(a,Vc(__VA_ARGS__))
#define MAKEVVV(variable, a, b, ...) VVV variable(a, VV(b, Vec(__VA_ARGS__)))
#define MAKEVVVV(variable, a, b, c, ...) VVVV variable(a, VVV(b, (VV(c, Vec(__VA_ARGS__)))))
#define MAKEVVVVV(variable, a, b, c, d, ...) VVVVV variable(a, VVVV(b, (VVV(c, VV(d, Vec(__VA_ARGS__))))))
#define MAKEVVVVVV(variable, a, b, c, d, e, ...) VVVVVV variable(a, VVVVV(b, (VVVV(c, VVV(d, VV(e, Vec(__VA_ARGS__)))))))

#define endl '\n'
#define REP(i, a, b) for(ll i=(a); i<(b); i++)
#define PER(i, a, b) for(ll i=(a); i>=(b); i--)
#define rep(i, n) REP(i, 0, n)
#define per(i, n) PER(i, n, 0)
const ll INF = 4'000'000'000'000'000'010LL;
const ll MOD=998244353;
#define Yes(n) cout << ((n) ? "Yes" : "No") << endl;
#define YES(n) cout << ((n) ? "YES" : "NO") << endl;
#define ALL(v) v.begin(), v.end()
#define rALL(v) v.rbegin(), v.rend()
#define pb(x) push_back(x)
#define mp(a, b) make_pair(a,b)
#define Each(a,b) for(auto &a :b)
#define rEach(i, mp) for (auto i = mp.rbegin(); i != mp.rend(); ++i)
#define SUM(a) accumulate(ALL(a),0LL)
#define outminusone(a) cout<< ( a==INF ? -1 : a ) <<endl
#define Uniq(v) v.erase(unique(v.begin(), v.end()), v.end())
#define fi first
#define se second

template<class T, class S>bool chmax(T &a, const S &b) { if (a<b) { a=b; return true; } return false; }
template<class T, class S>bool chmin(T &a, const S &b) { if (b<a) { a=b; return true; } return false; }
template<class T>auto lb(vector<T> &X, T x){return lower_bound(ALL(X),x) - X.begin();}
template<class T>auto ub(vector<T> &X, T x){return upper_bound(ALL(X),x) - X.begin();}
ll popcnt(ll x){return __builtin_popcount(x);}
ll topbit(ll t){return t==0?-1:63-__builtin_clzll(t);}
ll floor(ll y,ll x){assert(x != 0);if(x < 0){y *= -1; x *= -1;}if(y < 0){return (y-x+1)/x;}return y/x;};
ll ceil(ll y, ll x){assert(x != 0);if(x < 0){y *= -1; x *= -1;}if(y < 0){return y/x;}return (y+x-1)/x;};
auto hasbit = [](ll x, ll i )->bool{return (1LL<<i) & x;};//xにi番目のbitが立っているか

template<typename T1, typename T2>istream &operator>>(istream &i, pair<T1, T2> &p) { return i>>p.first>>p.second; }
template<typename T>istream& operator>>(istream&i,vector<T>&v){rep(j,v.size())i>>v[j];return i;}
template<typename T1, typename T2>ostream &operator<<(ostream &s, const pair<T1, T2> &p) { return s<<"("<<p.first<<", "<<p.second<<")"; }
template<class T>ostream &operator<<(ostream &os, const vector<T> &v) {bool f = false;for(const auto &d: v) {if(f) os<<" ";f = true;
//        #ifdef LOCAL
//            if(d == INF){os<<"X";}else if(d == -INF){os<<"-X";}else{os<<d;}
//        #else
//            os<<d;
//        #endif
        os<<d;
}return os;}
template <class T> ostream& operator<<(ostream& os, const set<T>& s) {os << "{";bool f = false;for (auto d : s) {if (f) os << ", ";f = true;os << d;}return os << "}";}
template <class T> ostream& operator<<(ostream& os, const multiset<T>& s) {os << "{";bool f = false;for (auto d : s) {if (f) os << ", ";f = true;os << d;}return os << "}";}
template<class T, class U>ostream &operator<<(ostream &os, const map<T, U> &s) {bool f = false;os<<endl;for(auto p: s) {if(f) os<<endl;f = true;os<<p.first<<": "<<p.second;}return os<<endl;}
void out() { cout << endl; }
template <class Head, class... Tail> void out(const Head &head, const Tail &...tail) {cout << head;if(sizeof...(tail)) cout << ' ';out(tail...);}

#ifdef LOCAL
template<typename T>ostream &operator<<(ostream &s, const vector<vector<T>> &vv) {int len=vv.size();for(int i=0; i<len; ++i) {if(i==0)s<<endl;s<<i<<":"<<vv[i];if(i!=len-1)s<<endl;}return s;}
struct PrettyOS {ostream& os;bool first;template <class T> auto operator<<(T&& x) {if (!first) os << ", ";first = false;os << x;return *this;}};
template <class... T> void dbg0(T&&... t) {(PrettyOS{cerr, true} << ... << t);}
#define dbg(...)do {cerr << #__VA_ARGS__ << ":  ";dbg0(__VA_ARGS__);cerr << endl;} while (false);
#else
#define dbg(...)
#endif

int solve(){
    ll n;
    cin>>n;
    Vec p(n);
    cin>>p;
    set<ll> st;
    Vec ans;
    /*
     *  3 2 4 1
     *  0 1 2 3
     */
    Vec pos(n+1);
    rep(i,n){
        pos[p[i]] = i;
        st.insert(i);
    }
    REP(i,1,n+1){
        ll x = pos[i];
        if(!st.contains(x))continue;
        auto itr = st.lower_bound(x);
        if(next(itr) == st.end())continue;
        ans.pb(p[*itr]);
        ans.pb(p[*next(itr)]);
        st.erase(next(itr));
        st.erase(itr);
    }
    out(ans);
    return  0;
}

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout<<std::setprecision(20);
//    ll T;
//    cin>>T;
//    while(T--)
    solve();
}
0