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Submission #1078365

# Submission time Handle Problem Language Result Execution time Memory
1078365 2024-08-27T15:51:38 Z allin27x Rarest Insects (IOI22_insects) C++17
99.56 / 100
 38 ms 848 KB 
#include <bits/stdc++.h>
#include "insects.h"
using namespace std;
#define int long long

//void move_inside(int)
//void move_outside(int)
// int press_button()


signed min_cardinality(signed N){
    std::random_device rd;
    std::mt19937 g(rd());
    vector<int> in,out; int k;
    for (int i=0; i<N; i++) {
        move_inside(i);
        if (press_button() == 2) move_outside(i);
        else in.push_back(i);
    }
    k = in.size(); for (int x: in) move_outside(x);
    int ans = 0;
    vector<int> tot; for (int i=0; i<N; i++) tot.push_back(i);
    while (1) {
        int mx =  (int)tot.size()/k;
        if (!mx) return ans;
        int m = (mx+1) / 2;
        in.clear(); out.clear();
        shuffle(tot.begin(), tot.end(), g);

        for (int x: tot) {
            move_inside(x);
            if (in.size() == m*k || press_button() == m+1) move_outside(x), out.push_back(x);
            else in.push_back(x);
        }
        if (in.size() == m * k) {
            ans += m; tot = out;
        } else {
            tot = in;
        }
        for (int x: in) move_outside(x);
    }
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:32:27: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   32 |             if (in.size() == m*k || press_button() == m+1) move_outside(x), out.push_back(x);
      |                 ~~~~~~~~~~^~~~~~
insects.cpp:35:23: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   35 |         if (in.size() == m * k) {
      |             ~~~~~~~~~~^~~~~~~~

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 3 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 444 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 ms 444 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 3 ms 424 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 3 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 3 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 444 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 ms 444 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 3 ms 424 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
23 Correct 7 ms 444 KB Output is correct
24 Correct 14 ms 444 KB Output is correct
25 Correct 9 ms 344 KB Output is correct
26 Correct 17 ms 444 KB Output is correct
27 Correct 13 ms 600 KB Output is correct
28 Correct 9 ms 344 KB Output is correct
29 Correct 11 ms 344 KB Output is correct
30 Correct 11 ms 444 KB Output is correct
31 Correct 23 ms 600 KB Output is correct
32 Correct 9 ms 600 KB Output is correct
33 Correct 21 ms 344 KB Output is correct
34 Correct 13 ms 344 KB Output is correct
35 Correct 13 ms 344 KB Output is correct
36 Correct 11 ms 344 KB Output is correct
37 Correct 10 ms 344 KB Output is correct
38 Correct 17 ms 444 KB Output is correct
39 Correct 13 ms 344 KB Output is correct
40 Correct 15 ms 456 KB Output is correct
41 Correct 11 ms 600 KB Output is correct

Subtask #3
74.56 / 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 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 0 ms 344 KB Output is correct
7 Correct 19 ms 464 KB Output is correct
8 Correct 27 ms 676 KB Output is correct
9 Correct 26 ms 440 KB Output is correct
10 Correct 36 ms 456 KB Output is correct
11 Correct 22 ms 460 KB Output is correct
12 Correct 27 ms 600 KB Output is correct
13 Correct 21 ms 460 KB Output is correct
14 Correct 30 ms 592 KB Output is correct
15 Correct 21 ms 344 KB Output is correct
16 Correct 28 ms 436 KB Output is correct
17 Correct 30 ms 592 KB Output is correct
18 Correct 33 ms 344 KB Output is correct
19 Partially correct 25 ms 448 KB Output is partially correct
20 Correct 22 ms 344 KB Output is correct
21 Correct 27 ms 592 KB Output is correct
22 Correct 33 ms 708 KB Output is correct
23 Correct 38 ms 592 KB Output is correct
24 Correct 19 ms 600 KB Output is correct
25 Correct 24 ms 344 KB Output is correct
26 Correct 27 ms 460 KB Output is correct
27 Partially correct 36 ms 424 KB Output is partially correct
28 Partially correct 20 ms 344 KB Output is partially correct
29 Partially correct 22 ms 448 KB Output is partially correct
30 Partially correct 23 ms 344 KB Output is partially correct
31 Correct 22 ms 432 KB Output is correct
32 Correct 35 ms 600 KB Output is correct
33 Correct 24 ms 344 KB Output is correct
34 Correct 28 ms 468 KB Output is correct
35 Partially correct 30 ms 344 KB Output is partially correct
36 Partially correct 31 ms 580 KB Output is partially correct
37 Correct 24 ms 344 KB Output is correct
38 Correct 35 ms 468 KB Output is correct
39 Partially correct 29 ms 488 KB Output is partially correct
40 Partially correct 25 ms 344 KB Output is partially correct
41 Partially correct 29 ms 592 KB Output is partially correct
42 Partially correct 21 ms 456 KB Output is partially correct
43 Correct 6 ms 344 KB Output is correct
44 Correct 26 ms 848 KB Output is correct
45 Correct 21 ms 592 KB Output is correct
46 Correct 35 ms 444 KB Output is correct
47 Correct 24 ms 344 KB Output is correct
48 Correct 26 ms 344 KB Output is correct