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Submission #1057080

# Submission time Handle Problem Language Result Execution time Memory
1057080 2024-08-13T13:57:33 Z vjudge1 Rarest Insects (IOI22_insects) C++17
50 / 100
 109 ms 1356 KB 
#include "insects.h"
#include <bits/stdc++.h>

using namespace std;

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

int min_cardinality(int n) {
    int d = 0;
    vi Cul;
    for(int i = 0; i < n; ++i) {
        move_inside(i);
        if(press_button() == 1) {
            Cul.push_back(i);
            ++d;
        }
        else move_outside(i);
    }
    for(auto it : Cul) move_outside(it);

    int re = 0;
    int st = 0, dr = n / d, mij;
    set<int> S;
    for(int i = 0; i < n; ++i) S.insert(i);
    while(st < dr) {
        mij = (st + dr + 1) / 2;
        set<int> I;
        for(auto it : S) {
            move_inside(it);
            if(press_button() == mij + 1) {
                move_outside(it);
            } else {
                I.insert(it);
            }
        }

        if(I.size() == d * mij) {
            for(auto it : I) {
                S.erase(it);
            }
            re += mij;
            st = 0;
            dr = dr - mij;
        } else {
            dr = mij - 1;
        }
        for(auto it : I) move_outside(it);
    }
    return re + st;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:38:21: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   38 |         if(I.size() == d * mij) {
      |            ~~~~~~~~~^~~~~~~~~~

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 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 7 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 3 ms 440 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 5 ms 440 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 3 ms 452 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 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 7 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 3 ms 440 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 5 ms 440 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 3 ms 452 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 13 ms 692 KB Output is correct
24 Correct 7 ms 344 KB Output is correct
25 Correct 11 ms 436 KB Output is correct
26 Correct 19 ms 436 KB Output is correct
27 Correct 43 ms 344 KB Output is correct
28 Correct 8 ms 340 KB Output is correct
29 Correct 51 ms 344 KB Output is correct
30 Correct 35 ms 344 KB Output is correct
31 Correct 10 ms 340 KB Output is correct
32 Correct 20 ms 340 KB Output is correct
33 Correct 19 ms 684 KB Output is correct
34 Correct 13 ms 344 KB Output is correct
35 Correct 20 ms 600 KB Output is correct
36 Correct 15 ms 600 KB Output is correct
37 Correct 19 ms 344 KB Output is correct
38 Correct 16 ms 344 KB Output is correct
39 Correct 15 ms 652 KB Output is correct
40 Correct 7 ms 344 KB Output is correct
41 Correct 8 ms 344 KB Output is correct

Subtask #3
25.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 21 ms 548 KB Output is correct
8 Correct 19 ms 548 KB Output is correct
9 Correct 27 ms 344 KB Output is correct
10 Partially correct 44 ms 436 KB Output is partially correct
11 Partially correct 109 ms 436 KB Output is partially correct
12 Correct 14 ms 440 KB Output is correct
13 Partially correct 108 ms 344 KB Output is partially correct
14 Partially correct 59 ms 592 KB Output is partially correct
15 Partially correct 19 ms 344 KB Output is partially correct
16 Partially correct 20 ms 344 KB Output is partially correct
17 Partially correct 29 ms 600 KB Output is partially correct
18 Partially correct 23 ms 344 KB Output is partially correct
19 Partially correct 47 ms 592 KB Output is partially correct
20 Partially correct 28 ms 344 KB Output is partially correct
21 Partially correct 39 ms 760 KB Output is partially correct
22 Partially correct 22 ms 428 KB Output is partially correct
23 Partially correct 30 ms 436 KB Output is partially correct
24 Correct 33 ms 776 KB Output is correct
25 Correct 27 ms 512 KB Output is correct
26 Correct 16 ms 572 KB Output is correct
27 Partially correct 32 ms 344 KB Output is partially correct
28 Partially correct 25 ms 344 KB Output is partially correct
29 Partially correct 22 ms 432 KB Output is partially correct
30 Partially correct 28 ms 696 KB Output is partially correct
31 Partially correct 34 ms 596 KB Output is partially correct
32 Partially correct 31 ms 344 KB Output is partially correct
33 Partially correct 46 ms 552 KB Output is partially correct
34 Partially correct 46 ms 592 KB Output is partially correct
35 Partially correct 26 ms 432 KB Output is partially correct
36 Partially correct 21 ms 344 KB Output is partially correct
37 Partially correct 35 ms 552 KB Output is partially correct
38 Partially correct 30 ms 344 KB Output is partially correct
39 Partially correct 26 ms 592 KB Output is partially correct
40 Partially correct 28 ms 548 KB Output is partially correct
41 Partially correct 32 ms 440 KB Output is partially correct
42 Partially correct 26 ms 688 KB Output is partially correct
43 Partially correct 17 ms 344 KB Output is partially correct
44 Partially correct 87 ms 344 KB Output is partially correct
45 Correct 24 ms 592 KB Output is correct
46 Correct 28 ms 588 KB Output is correct
47 Correct 22 ms 600 KB Output is correct
48 Correct 25 ms 1356 KB Output is correct