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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#520725#4565. Rarest Insectskimmoqt0 1ms3984kbC++203.6kb2024-08-15 15:10:442024-08-15 15:10:44

Judging History

你现在查看的是最新测评结果

  • [2024-08-15 15:10:44]
  • 评测
  • 测评结果:0
  • 用时:1ms
  • 内存:3984kb
  • [2024-08-15 15:10:44]
  • 提交

answer

#include "insects.h"

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

const int MX=2005;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int cnt[MX], L[MX], R[MX];

int min_cardinality(int N) {
        vector<bool> vis(N);

        vector<int> pos;
        for(int i=0;i<N;i++) {
                if(vis[i]) continue;
                move_inside(i);

                if(press_button()==2) {
                        move_outside(i);
                } else {
                        vis[i]=true;
                        pos.push_back(i);
                }
        }

        if(pos.size()>=256) {
                int p=pos.size(),res=1;
                while(true) {
                        for(auto x:pos) {
                                move_outside(x);
                        }
                        pos.clear();

                        for(int i=0;i<N;i++) {
                                if(vis[i]) continue;
                                move_inside(i);

                                if(press_button()==2) {
                                        move_outside(i);
                                } else {
                                        vis[i]=true;
                                        pos.push_back(i);
                                }
                        }

                        if(pos.size()!=p) break;
                        res++;
                }

                return res;
        } else {
                for(auto x:pos) {
                        move_outside(x);
                }

                for(int i=0;i<N;i++) {
                        L[i]=0;
                        R[i]=pos.size()-1;
                }

                for(int it=0;it<8;it++) {
                        vector<array<int,3>> seg;
                        for(int i=0;i<N;i++) {
                                if(vis[i]) continue;

                                int m=(L[i]+R[i])/2;
                                if(R[i]>L[i]) {
                                        seg.push_back({L[i],m,i});
                                }
                        }
                        sort(seg.begin(),seg.end());

                        for(int i=0;i<seg.size();i++) {
                                int j=i;
                                while(j+1<seg.size() && seg[j+1][0]==seg[j][0]) j++;

                                for(int k=seg[i][0];k<=seg[i][1];k++) {
                                        move_inside(pos[k]);
                                }

                                for(int k=i;k<=j;k++) {
                                        move_inside(seg[k][2]);
                                        if(press_button()==2) {
                                                R[seg[k][2]]=seg[k][1];
                                        } else {
                                                L[seg[k][2]]=seg[k][1]+1;
                                        }
                                        move_outside(seg[k][2]);
                                }

                                for(int k=seg[i][0];k<=seg[i][1];k++) {
                                        move_outside(pos[k]);
                                }

                                i=j;
                        }
                }

                for(int i=0;i<N;i++) {
                        cnt[L[i]]++;
                }

                int res=N;
                for(int i=0;i<pos.size();i++) {
                        res=min(res,cnt[i]);
                }

                return res+1;
        }       
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 10
Accepted
time: 1ms
memory: 3984kb

input:

6
1
1
1
2
2
2
2
1
1
2

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
1 0
8
1 1
8
1 2
8
0 0
8
0 1
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
1 0
8
1 1
8
0 0
8
0 3
8
2
8
1 3
8
1 0
8
3 1

result:

ok 

Test #2:

score: 0
Wrong Answer
time: 0ms
memory: 3984kb

input:

2
1
2

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
1 0
8
3 3

result:

wrong answer Wrong answer.

Subtask #2:

score: 0
Wrong Answer

Test #24:

score: 0
Wrong Answer
time: 0ms
memory: 3920kb

input:

1000
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
...

result:

wrong answer Wrong answer.

Subtask #3:

score: 0
Wrong Answer

Test #43:

score: 0
Wrong Answer
time: 0ms
memory: 3840kb

input:

2
1
2

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
1 0
8
3 3

result:

wrong answer Wrong answer.