답안 #572935

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
572935 2022-06-05T14:09:10 Z MohamedFaresNebili Art Collections (BOI22_art) C++17
20 / 100
143 ms 672 KB
#include <bits/stdc++.h>
#include "art.h"
#include <ext/pb_ds/assoc_container.hpp>

        using namespace std;
        using namespace __gnu_pbds;

        using ll = long long;
        using ii = pair<int, int>;
        using vi = vector<int>;

        #define pb push_back
        #define pp pop_back
        #define ff first
        #define ss second
        #define lb lower_bound
        #define all(x) (x).begin(), (x).end()

        typedef tree<int, null_type, less<int>, rb_tree_tag,
            tree_order_statistics_node_update> indexed_set;

        set<int> merge(set<int> A, set<int> B) {
            if(A.size() < B.size()) swap(A, B);
            for(auto u : B) A.insert(u);
            return A;
        }

        void solve(int N) {
            set<int> adj[N + 1], rev[N + 1]; int income[N + 1]{0};
            for(int l = 1; l <= N; l++) {
                vector<int> R;
                for(int i = 1; i <= N; i++) {
                    if(i == l) continue;
                    R.pb(i);
                }
                R.pb(l); int k = publish(R), p = k;
                for(int i = N - 1; i > 0; i--) {
                    swap(R[i], R[i - 1]);
                    if(adj[l].count(R[i])) {
                        p--; rev[R[i]].insert(l);
                        adj[l] = merge(adj[l], adj[R[i]]);
                        rev[R[i]] = merge(rev[R[i]], rev[l]);
                        continue;
                    }
                    if(rev[l].count(R[i])) {
                        p++; adj[R[i]].insert(l);
                        adj[R[i]] = merge(adj[l], adj[R[i]]);
                        rev[l] = merge(rev[l], rev[R[i]]);
                        continue;
                    }
                    k = publish(R);
                    if(k < p) {
                        adj[l].insert(R[i]);
                        rev[R[i]].insert(l);
                        adj[l] = merge(adj[l], adj[R[i]]);
                        rev[R[i]] = merge(rev[R[i]], rev[l]);
                    }
                    else {
                        adj[R[i]].insert(l);
                        rev[l].insert(R[i]);
                        adj[R[i]] = merge(adj[l], adj[R[i]]);
                        rev[l] = merge(rev[l], rev[R[i]]);
                    }
                    p = k;
                }
            }
            bool vis[N + 1]{0}; vector<int> R; queue<int> q;
            for(int l = 1; l <= N; l++)
                income[l] = adj[l].size();
            for(int l = 1; l <= N; l++) {
                if(income[l]) continue;
                q.push(l); vis[l] = 1;
            }

            while(!q.empty()) {
                int a = q.front(); q.pop(); R.pb(a);
                for(auto u : rev[a]) {
                    income[u] --;
                    if(vis[u] || income[u] != 0) continue;
                    vis[u] = 1; q.push(u);
                }
            }
            reverse(all(R)); answer(R);
        }

Compilation message

interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 2 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 2 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 9 ms 336 KB Output is correct
10 Correct 10 ms 336 KB Output is correct
11 Correct 11 ms 336 KB Output is correct
12 Correct 14 ms 336 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 15 ms 344 KB Output is correct
20 Correct 15 ms 336 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 2 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 9 ms 336 KB Output is correct
10 Correct 10 ms 336 KB Output is correct
11 Correct 11 ms 336 KB Output is correct
12 Correct 14 ms 336 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 15 ms 344 KB Output is correct
20 Correct 15 ms 336 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 9 ms 336 KB Output is correct
23 Correct 10 ms 336 KB Output is correct
24 Correct 8 ms 376 KB Output is correct
25 Correct 9 ms 336 KB Output is correct
26 Incorrect 143 ms 672 KB Not correct
27 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 2 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 9 ms 336 KB Output is correct
10 Correct 10 ms 336 KB Output is correct
11 Correct 11 ms 336 KB Output is correct
12 Correct 14 ms 336 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 15 ms 344 KB Output is correct
20 Correct 15 ms 336 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 9 ms 336 KB Output is correct
23 Correct 10 ms 336 KB Output is correct
24 Correct 8 ms 376 KB Output is correct
25 Correct 9 ms 336 KB Output is correct
26 Incorrect 143 ms 672 KB Not correct
27 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 2 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 9 ms 336 KB Output is correct
10 Correct 10 ms 336 KB Output is correct
11 Correct 11 ms 336 KB Output is correct
12 Correct 14 ms 336 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 15 ms 344 KB Output is correct
20 Correct 15 ms 336 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 9 ms 336 KB Output is correct
23 Correct 10 ms 336 KB Output is correct
24 Correct 8 ms 376 KB Output is correct
25 Correct 9 ms 336 KB Output is correct
26 Incorrect 143 ms 672 KB Not correct
27 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 296 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 2 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 9 ms 336 KB Output is correct
10 Correct 10 ms 336 KB Output is correct
11 Correct 11 ms 336 KB Output is correct
12 Correct 14 ms 336 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 208 KB Output is correct
19 Correct 15 ms 344 KB Output is correct
20 Correct 15 ms 336 KB Output is correct
21 Correct 0 ms 208 KB Output is correct
22 Correct 9 ms 336 KB Output is correct
23 Correct 10 ms 336 KB Output is correct
24 Correct 8 ms 376 KB Output is correct
25 Correct 9 ms 336 KB Output is correct
26 Incorrect 143 ms 672 KB Not correct
27 Halted 0 ms 0 KB -