結果

問題 No.2740 Old Maid
ユーザー dyktr_06dyktr_06
提出日時 2024-04-20 15:55:51
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 45 ms / 2,000 ms
コード長 4,767 bytes
コンパイル時間 2,175 ms
コンパイル使用メモリ 208,820 KB
実行使用メモリ 13,056 KB
最終ジャッジ日時 2024-10-12 11:39:08
合計ジャッジ時間 6,915 ms
ジャッジサーバーID
(参考情報)
judge3 / judge1
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 43 ms
13,048 KB
testcase_01 AC 43 ms
13,048 KB
testcase_02 AC 42 ms
13,052 KB
testcase_03 AC 42 ms
13,052 KB
testcase_04 AC 41 ms
12,924 KB
testcase_05 AC 42 ms
13,048 KB
testcase_06 AC 43 ms
13,048 KB
testcase_07 AC 42 ms
13,052 KB
testcase_08 AC 43 ms
13,056 KB
testcase_09 AC 43 ms
13,048 KB
testcase_10 AC 41 ms
13,048 KB
testcase_11 AC 42 ms
12,924 KB
testcase_12 AC 32 ms
10,524 KB
testcase_13 AC 34 ms
11,128 KB
testcase_14 AC 9 ms
6,816 KB
testcase_15 AC 11 ms
6,816 KB
testcase_16 AC 25 ms
8,364 KB
testcase_17 AC 8 ms
6,816 KB
testcase_18 AC 34 ms
10,948 KB
testcase_19 AC 14 ms
6,816 KB
testcase_20 AC 39 ms
11,908 KB
testcase_21 AC 10 ms
6,816 KB
testcase_22 AC 23 ms
8,336 KB
testcase_23 AC 7 ms
6,816 KB
testcase_24 AC 14 ms
6,820 KB
testcase_25 AC 42 ms
12,236 KB
testcase_26 AC 2 ms
6,820 KB
testcase_27 AC 5 ms
6,816 KB
testcase_28 AC 24 ms
8,360 KB
testcase_29 AC 23 ms
8,188 KB
testcase_30 AC 3 ms
6,816 KB
testcase_31 AC 45 ms
12,892 KB
testcase_32 AC 16 ms
6,820 KB
testcase_33 AC 43 ms
12,552 KB
testcase_34 AC 22 ms
8,180 KB
testcase_35 AC 14 ms
6,820 KB
testcase_36 AC 15 ms
6,820 KB
testcase_37 AC 19 ms
7,532 KB
testcase_38 AC 12 ms
6,816 KB
testcase_39 AC 8 ms
6,816 KB
testcase_40 AC 29 ms
9,148 KB
testcase_41 AC 38 ms
11,764 KB
testcase_42 AC 2 ms
6,820 KB
testcase_43 AC 2 ms
6,820 KB
testcase_44 AC 2 ms
6,820 KB
testcase_45 AC 2 ms
6,824 KB
testcase_46 AC 2 ms
6,816 KB
testcase_47 AC 2 ms
6,820 KB
testcase_48 AC 2 ms
6,820 KB
testcase_49 AC 2 ms
6,820 KB
testcase_50 AC 2 ms
6,816 KB
testcase_51 AC 2 ms
6,820 KB
testcase_52 AC 2 ms
6,820 KB
testcase_53 AC 2 ms
6,816 KB
testcase_54 AC 2 ms
6,816 KB
testcase_55 AC 2 ms
6,820 KB
testcase_56 AC 2 ms
6,820 KB
testcase_57 AC 2 ms
6,816 KB
testcase_58 AC 2 ms
6,820 KB
testcase_59 AC 2 ms
6,816 KB
testcase_60 AC 2 ms
6,820 KB
testcase_61 AC 2 ms
6,820 KB
testcase_62 AC 2 ms
6,816 KB
testcase_63 AC 2 ms
6,816 KB
testcase_64 AC 2 ms
6,820 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 #

#include <bits/stdc++.h>

using namespace std;

#define overload4(_1, _2, _3, _4, name, ...) name
#define rep1(n) for(int i = 0; i < (int)(n); ++i)
#define rep2(i, n) for(int i = 0; i < (int)(n); ++i)
#define rep3(i, a, b) for(int i = (a); i < (int)(b); ++i)
#define rep4(i, a, b, c) for(int i = (a); i < (int)(b); i += (c))
#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)

#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; --i)
#define ALL(a) (a).begin(), (a).end()
#define Sort(a) (sort((a).begin(), (a).end()))
#define RSort(a) (sort((a).rbegin(), (a).rend()))
#define UNIQUE(a) (a.erase(unique((a).begin(), (a).end()), (a).end()))

typedef long long int ll;
typedef unsigned long long ul;
typedef long double ld;
typedef vector<int> vi;
typedef vector<long long> vll;
typedef vector<char> vc;
typedef vector<string> vst;
typedef vector<double> vd;
typedef vector<long double> vld;
typedef pair<long long, long long> P;

template<class T> long long sum(const T& a){ return accumulate(a.begin(), a.end(), 0LL); }
template<class T> auto min(const T& a){ return *min_element(a.begin(), a.end()); }
template<class T> auto max(const T& a){ return *max_element(a.begin(), a.end()); }

const long long MINF = 0x7fffffffffff;
const long long INF = 0x1fffffffffffffff;
const long long MOD = 998244353;
const long double EPS = 1e-9;
const long double PI = acos(-1);
 
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

template<typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p){ is >> p.first >> p.second; return is; }
template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p){ os << "(" << p.first << ", " << p.second << ")"; return os; }
template<typename T> istream &operator>>(istream &is, vector<T> &v){ for(T &in : v) is >> in; return is; }
template<typename T> ostream &operator<<(ostream &os, const vector<T> &v){ for(int i = 0; i < (int) v.size(); ++i){ os << v[i] << (i + 1 != (int) v.size() ? " " : ""); } return os; }
template <typename T, typename S> ostream &operator<<(ostream &os, const map<T, S> &mp){ for(auto &[key, val] : mp){ os << key << ":" << val << " "; } return os; }
template <typename T> ostream &operator<<(ostream &os, const set<T> &st){ auto itr = st.begin(); for(int i = 0; i < (int)st.size(); ++i){ os << *itr << (i + 1 != (int)st.size() ? " " : ""); itr++; } return os; }
template <typename T> ostream &operator<<(ostream &os, const multiset<T> &st){ auto itr = st.begin(); for(int i = 0; i < (int)st.size(); ++i){ os << *itr << (i + 1 != (int)st.size() ? " " : ""); itr++; } return os; }
template <typename T> ostream &operator<<(ostream &os, queue<T> q){ while(q.size()){ os << q.front() << " "; q.pop(); } return os; }
template <typename T> ostream &operator<<(ostream &os, deque<T> q){ while(q.size()){ os << q.front() << " "; q.pop_front(); } return os; }
template <typename T> ostream &operator<<(ostream &os, stack<T> st){ while(st.size()){ os << st.top() << " "; st.pop(); } return os; }
template <class T, class Container, class Compare> ostream &operator<<(ostream &os, priority_queue<T, Container, Compare> pq){ while(pq.size()){ os << pq.top() << " "; pq.pop(); } return os; }

template<class T, class U> inline T vin(T& vec, U n) { vec.resize(n); for(int i = 0; i < (int) n; ++i) cin >> vec[i]; return vec; }
template<class T> inline void vout(T vec, string s = "\n"){ for(auto x : vec) cout << x << s; }
template<class... T> void in(T&... a){ (cin >> ... >> a); }
void out(){ cout << '\n'; }
template<class T, class... Ts> void out(const T& a, const Ts&... b){ cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; }
template<class T, class U> void inGraph(vector<vector<T>>& G, U n, U m, bool directed = false){ G.resize(n); for(int i = 0; i < m; ++i){ int a, b; cin >> a >> b; a--, b--; G[a].push_back(b); if(!directed) G[b].push_back(a); } }

void input(){
}

void solve(){
    ll n; in(n);
    vll p; vin(p, n);
    rep(i, n) p[i]--;
    vll prev(n, -1), nxt(n, -1);
    rep(i, n - 1){
        prev[p[i + 1]] = p[i];
        nxt[p[i]] = p[i + 1];
    }
    vll ans;
    vll used(n);
    rep(i, n){
        if(nxt[i] == -1) continue;
        if(used[i]) continue;
        ans.push_back(i);
        ans.push_back(nxt[i]);
        used[nxt[i]] = 1;
        if(nxt[nxt[i]] != -1){
            prev[nxt[nxt[i]]] = prev[i];
        }
        if(prev[i] != -1){
            nxt[prev[i]] = nxt[nxt[i]];
        }
    }
    rep(i, n) ans[i]++;
    out(ans);
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(20);
    
    input();
    solve();
}
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