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Submission #1056226

# Submission time Handle Problem Language Result Execution time Memory
1056226 2024-08-13T08:20:00 Z vjudge1 Rarest Insects (IOI22_insects) C++17
61.41 / 100
 83 ms 1300 KB 
#include "insects.h"
#include <bits/stdc++.h>

using namespace std;

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

bool gasit = false;

vi Perm;
void move_inside2(int p) {
    move_inside(Perm[p]);
}

void move_outside2(int p) {
    move_outside(Perm[p]);
}

set<int> Cur;

vector<ii> cauta(vi Cul, vi V) {
    vector<ii> Re;
    if(gasit) return Re;
    if(V.empty()) {
        gasit = true;
        return vector<ii>();
    }
    if(Cul.size() == 1) {
        for(auto it : V) Re.push_back({it, Cul[0]});
        return Re;
    }
    vi C1, C2;
    for(int i = 0; i < int(Cul.size()) / 2; ++i) {
        C1.push_back(Cul[i]);
    }
    for(int i = int(Cul.size()) / 2; i < int(Cul.size()); ++i) {
        C2.push_back(Cul[i]);
    }
    set<int> SC1;
    for(auto it : C1) SC1.insert(it);
    
    vi de_scos;

    for(auto it : Cur) {
        if(!SC1.count(it))
            de_scos.push_back(it);
    }

    for(auto it : de_scos) {
        Cur.erase(it);
        move_outside2(it);
    }

    for(auto it : C1) {
        if(!Cur.count(it)) {
            move_inside2(it);
            Cur.insert(it);
        }
    }
    vi V1, V2;
    for(auto it : V) {
        move_inside2(it);
        if(press_button() == 2) V1.push_back(it);
        else V2.push_back(it);
        move_outside2(it);
    }
//    for(auto it : C1) {
//        move_outside2(it);
//    }

    auto Re1 = cauta(C1, V1), Re2 = cauta(C2, V2);
    for(auto it : Re1) Re.push_back(it);
    for(auto it : Re2) Re.push_back(it);
    return Re;
}

int min_cardinality(int n) {
    Perm.clear();
    for(int i = 0; i < n; ++i)
        Perm.push_back(i);
    mt19937 rng(71);
    shuffle(Perm.begin(), Perm.end(), rng);
    vi Cul, Rest;
    for(int i = 0; i < n; ++i) {
        move_inside2(i);
        if(press_button() == 1) {
            Cul.push_back(i);
        } else {
            move_outside2(i);
            Rest.push_back(i);
        }
    }
    for(auto it : Cul) move_outside2(it);
    if(Cul.size() > Rest.size()) return 1;
    auto Per = cauta(Cul, Rest);
    if(gasit) return 1;
    map<int, int> Fr;
    for(auto it : Cul) ++Fr[it];
    for(auto [p, cul] : Per) ++Fr[cul];
    int mi = n;
    for(auto [cul, fr] : Fr) mi = min(mi, fr);
    return mi;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 4 ms 604 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 444 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 3 ms 440 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 2 ms 440 KB Output is correct
16 Correct 4 ms 452 KB Output is correct
17 Correct 4 ms 448 KB Output is correct
18 Correct 4 ms 604 KB Output is correct
19 Correct 6 ms 700 KB Output is correct
20 Correct 6 ms 456 KB Output is correct
21 Correct 2 ms 596 KB Output is correct
22 Correct 1 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 4 ms 604 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 444 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 3 ms 440 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 2 ms 440 KB Output is correct
16 Correct 4 ms 452 KB Output is correct
17 Correct 4 ms 448 KB Output is correct
18 Correct 4 ms 604 KB Output is correct
19 Correct 6 ms 700 KB Output is correct
20 Correct 6 ms 456 KB Output is correct
21 Correct 2 ms 596 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 5 ms 452 KB Output is correct
24 Correct 5 ms 448 KB Output is correct
25 Correct 23 ms 464 KB Output is correct
26 Correct 22 ms 344 KB Output is correct
27 Correct 11 ms 340 KB Output is correct
28 Correct 5 ms 344 KB Output is correct
29 Correct 17 ms 460 KB Output is correct
30 Correct 21 ms 956 KB Output is correct
31 Correct 15 ms 456 KB Output is correct
32 Correct 27 ms 604 KB Output is correct
33 Correct 21 ms 484 KB Output is correct
34 Correct 12 ms 592 KB Output is correct
35 Correct 16 ms 848 KB Output is correct
36 Correct 29 ms 696 KB Output is correct
37 Correct 37 ms 852 KB Output is correct
38 Correct 37 ms 716 KB Output is correct
39 Correct 33 ms 696 KB Output is correct
40 Correct 9 ms 600 KB Output is correct
41 Correct 3 ms 344 KB Output is correct

Subtask #3
36.41 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 9 ms 712 KB Output is correct
8 Correct 8 ms 464 KB Output is correct
9 Partially correct 60 ms 720 KB Output is partially correct
10 Partially correct 62 ms 868 KB Output is partially correct
11 Correct 10 ms 340 KB Output is correct
12 Partially correct 51 ms 1300 KB Output is partially correct
13 Partially correct 28 ms 696 KB Output is partially correct
14 Partially correct 70 ms 736 KB Output is partially correct
15 Partially correct 38 ms 704 KB Output is partially correct
16 Partially correct 48 ms 952 KB Output is partially correct
17 Partially correct 36 ms 872 KB Output is partially correct
18 Partially correct 38 ms 496 KB Output is partially correct
19 Partially correct 47 ms 600 KB Output is partially correct
20 Partially correct 51 ms 592 KB Output is partially correct
21 Partially correct 57 ms 732 KB Output is partially correct
22 Partially correct 72 ms 968 KB Output is partially correct
23 Partially correct 64 ms 740 KB Output is partially correct
24 Correct 22 ms 600 KB Output is correct
25 Correct 18 ms 600 KB Output is correct
26 Correct 10 ms 344 KB Output is correct
27 Partially correct 69 ms 724 KB Output is partially correct
28 Partially correct 58 ms 976 KB Output is partially correct
29 Partially correct 54 ms 712 KB Output is partially correct
30 Partially correct 66 ms 848 KB Output is partially correct
31 Partially correct 51 ms 740 KB Output is partially correct
32 Partially correct 51 ms 752 KB Output is partially correct
33 Partially correct 80 ms 716 KB Output is partially correct
34 Partially correct 65 ms 504 KB Output is partially correct
35 Partially correct 65 ms 600 KB Output is partially correct
36 Partially correct 64 ms 736 KB Output is partially correct
37 Partially correct 64 ms 944 KB Output is partially correct
38 Partially correct 68 ms 344 KB Output is partially correct
39 Partially correct 83 ms 732 KB Output is partially correct
40 Partially correct 71 ms 852 KB Output is partially correct
41 Partially correct 59 ms 592 KB Output is partially correct
42 Partially correct 56 ms 592 KB Output is partially correct
43 Partially correct 5 ms 340 KB Output is partially correct
44 Partially correct 40 ms 456 KB Output is partially correct
45 Correct 23 ms 444 KB Output is correct
46 Partially correct 49 ms 1244 KB Output is partially correct
47 Partially correct 55 ms 1012 KB Output is partially correct
48 Partially correct 50 ms 684 KB Output is partially correct