oj.uz

Submission #1057081

# Submission time Handle Problem Language Result Execution time Memory
1057081 2024-08-13T13:58:37 Z vjudge1 Rarest Insects (IOI22_insects) C++17
99.56 / 100
 36 ms 940 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;
            S = I;
        }
        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 0 ms 344 KB Output is correct
6 Correct 2 ms 440 KB Output is correct
7 Correct 3 ms 344 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 440 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 2 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 0 ms 344 KB Output is correct
6 Correct 2 ms 440 KB Output is correct
7 Correct 3 ms 344 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 440 KB Output is correct
18 Correct 2 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 9 ms 344 KB Output is correct
24 Correct 8 ms 596 KB Output is correct
25 Correct 11 ms 344 KB Output is correct
26 Correct 14 ms 432 KB Output is correct
27 Correct 9 ms 344 KB Output is correct
28 Correct 8 ms 344 KB Output is correct
29 Correct 10 ms 600 KB Output is correct
30 Correct 9 ms 600 KB Output is correct
31 Correct 11 ms 344 KB Output is correct
32 Correct 14 ms 496 KB Output is correct
33 Correct 11 ms 696 KB Output is correct
34 Correct 8 ms 344 KB Output is correct
35 Correct 12 ms 600 KB Output is correct
36 Correct 12 ms 344 KB Output is correct
37 Correct 18 ms 344 KB Output is correct
38 Correct 17 ms 432 KB Output is correct
39 Correct 12 ms 688 KB Output is correct
40 Correct 6 ms 344 KB Output is correct
41 Correct 6 ms 344 KB Output is correct

Subtask #3
74.56 / 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 32 ms 428 KB Output is correct
8 Correct 16 ms 580 KB Output is correct
9 Correct 17 ms 344 KB Output is correct
10 Correct 28 ms 536 KB Output is correct
11 Correct 17 ms 412 KB Output is correct
12 Correct 18 ms 856 KB Output is correct
13 Correct 26 ms 344 KB Output is correct
14 Correct 21 ms 340 KB Output is correct
15 Correct 26 ms 600 KB Output is correct
16 Correct 30 ms 592 KB Output is correct
17 Correct 26 ms 600 KB Output is correct
18 Correct 24 ms 772 KB Output is correct
19 Partially correct 34 ms 548 KB Output is partially correct
20 Correct 23 ms 848 KB Output is correct
21 Correct 31 ms 600 KB Output is correct
22 Correct 28 ms 592 KB Output is correct
23 Correct 18 ms 596 KB Output is correct
24 Correct 18 ms 940 KB Output is correct
25 Correct 29 ms 600 KB Output is correct
26 Correct 10 ms 344 KB Output is correct
27 Partially correct 30 ms 600 KB Output is partially correct
28 Partially correct 28 ms 524 KB Output is partially correct
29 Partially correct 18 ms 552 KB Output is partially correct
30 Partially correct 28 ms 592 KB Output is partially correct
31 Correct 28 ms 440 KB Output is correct
32 Correct 30 ms 600 KB Output is correct
33 Correct 24 ms 556 KB Output is correct
34 Correct 33 ms 600 KB Output is correct
35 Partially correct 29 ms 344 KB Output is partially correct
36 Partially correct 19 ms 532 KB Output is partially correct
37 Correct 25 ms 600 KB Output is correct
38 Correct 25 ms 436 KB Output is correct
39 Partially correct 34 ms 592 KB Output is partially correct
40 Partially correct 36 ms 592 KB Output is partially correct
41 Partially correct 27 ms 344 KB Output is partially correct
42 Partially correct 19 ms 700 KB Output is partially correct
43 Correct 5 ms 344 KB Output is correct
44 Correct 16 ms 344 KB Output is correct
45 Correct 19 ms 432 KB Output is correct
46 Correct 16 ms 588 KB Output is correct
47 Correct 20 ms 344 KB Output is correct
48 Correct 20 ms 448 KB Output is correct