Submission #831277

# Submission time Handle Problem Language Result Execution time Memory
831277 2023-08-20T03:43:48 Z definitelynotmee Rarest Insects (IOI22_insects) C++17
69.9 / 100
123 ms 564 KB
#include "insects.h"
#include<bits/stdc++.h>
#define all(x) x.begin(), x.end()
using ll = long long;
using namespace std;
template<typename T>
using matrix = vector<vector<T>>;

struct Machine {
    set<int> s;

    void insert(int id){
        s.insert(id);
        move_inside(id);
    }
    void erase(int id){
        s.erase(id);
        move_outside(id);
    }

    int resp(){
        return press_button();
    }
    void clear(){
        auto it  = s.begin();
        while(it!=s.end()){
            move_outside(*it);
            it = s.erase(it);
        }
    }
};

int min_cardinality(int N) {
    mt19937 rng(time(nullptr));
    vector<int> dif;
    vector<int> resto;

    Machine m;

    for(int i = 0; i < N; i++){
        m.insert(i);
        if(m.resp() == 1){
            dif.push_back(i);
        } else m.erase(i), resto.push_back(i);
    }

    shuffle(all(dif),rng);
    shuffle(all(resto),rng);


    m.clear();


    int ini = 1, fim = N/dif.size();


    auto putless =[&](int mx){
        for(int i : resto){
            if(m.s.count(i))
                continue;
            m.insert(i);
            if(m.resp() > mx)
                m.erase(i);
        }
    };

    int last = -1;

    while(ini!=fim){
        int mid = (fim-ini)*0.2+ini;
        while(mid <= ini)
            mid++;

        // cerr << "mid = " << mid << '\n';
        
        if(mid < last)
            m.clear();
        
        putless(mid-1);

        bool ok = 1;

        for(int i : dif){
            m.insert(i);
            ok&= m.resp() == mid;
            m.erase(i);
        }

        if(ok)
            ini = mid;
        else fim = mid-1;
        last = mid;
    } 

    return ini;

}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 11 ms 308 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Correct 7 ms 304 KB Output is correct
9 Correct 11 ms 208 KB Output is correct
10 Correct 8 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 7 ms 300 KB Output is correct
13 Correct 6 ms 304 KB Output is correct
14 Correct 10 ms 208 KB Output is correct
15 Correct 8 ms 304 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 9 ms 308 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 6 ms 300 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 11 ms 308 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Correct 7 ms 304 KB Output is correct
9 Correct 11 ms 208 KB Output is correct
10 Correct 8 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 7 ms 300 KB Output is correct
13 Correct 6 ms 304 KB Output is correct
14 Correct 10 ms 208 KB Output is correct
15 Correct 8 ms 304 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 9 ms 308 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 6 ms 300 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 46 ms 296 KB Output is correct
24 Correct 8 ms 316 KB Output is correct
25 Correct 45 ms 332 KB Output is correct
26 Correct 50 ms 304 KB Output is correct
27 Correct 41 ms 308 KB Output is correct
28 Correct 9 ms 316 KB Output is correct
29 Correct 33 ms 208 KB Output is correct
30 Correct 19 ms 216 KB Output is correct
31 Correct 46 ms 328 KB Output is correct
32 Correct 51 ms 308 KB Output is correct
33 Correct 28 ms 312 KB Output is correct
34 Correct 50 ms 312 KB Output is correct
35 Correct 51 ms 304 KB Output is correct
36 Correct 44 ms 308 KB Output is correct
37 Correct 36 ms 208 KB Output is correct
38 Correct 28 ms 300 KB Output is correct
39 Correct 17 ms 312 KB Output is correct
40 Correct 14 ms 316 KB Output is correct
41 Correct 9 ms 324 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 220 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Partially correct 0 ms 208 KB Output is partially correct
7 Partially correct 69 ms 356 KB Output is partially correct
8 Correct 17 ms 340 KB Output is correct
9 Partially correct 118 ms 304 KB Output is partially correct
10 Partially correct 83 ms 312 KB Output is partially correct
11 Partially correct 90 ms 300 KB Output is partially correct
12 Correct 25 ms 324 KB Output is correct
13 Partially correct 53 ms 300 KB Output is partially correct
14 Correct 52 ms 208 KB Output is correct
15 Partially correct 114 ms 312 KB Output is partially correct
16 Partially correct 97 ms 500 KB Output is partially correct
17 Partially correct 91 ms 328 KB Output is partially correct
18 Partially correct 84 ms 328 KB Output is partially correct
19 Partially correct 102 ms 560 KB Output is partially correct
20 Partially correct 116 ms 352 KB Output is partially correct
21 Partially correct 102 ms 440 KB Output is partially correct
22 Partially correct 72 ms 460 KB Output is partially correct
23 Correct 23 ms 320 KB Output is correct
24 Correct 39 ms 312 KB Output is correct
25 Correct 35 ms 328 KB Output is correct
26 Correct 18 ms 336 KB Output is correct
27 Partially correct 91 ms 360 KB Output is partially correct
28 Partially correct 55 ms 308 KB Output is partially correct
29 Partially correct 84 ms 332 KB Output is partially correct
30 Partially correct 95 ms 448 KB Output is partially correct
31 Partially correct 94 ms 312 KB Output is partially correct
32 Partially correct 48 ms 348 KB Output is partially correct
33 Partially correct 67 ms 304 KB Output is partially correct
34 Partially correct 67 ms 308 KB Output is partially correct
35 Partially correct 55 ms 368 KB Output is partially correct
36 Partially correct 123 ms 320 KB Output is partially correct
37 Partially correct 73 ms 452 KB Output is partially correct
38 Partially correct 77 ms 340 KB Output is partially correct
39 Partially correct 102 ms 564 KB Output is partially correct
40 Partially correct 83 ms 308 KB Output is partially correct
41 Partially correct 116 ms 304 KB Output is partially correct
42 Partially correct 84 ms 504 KB Output is partially correct
43 Partially correct 15 ms 300 KB Output is partially correct
44 Partially correct 64 ms 304 KB Output is partially correct
45 Partially correct 100 ms 308 KB Output is partially correct
46 Correct 28 ms 308 KB Output is correct
47 Correct 21 ms 320 KB Output is correct
48 Correct 32 ms 320 KB Output is correct