oj.uz

Submission #826347

# Submission time Handle Problem Language Result Execution time Memory
826347 2023-08-15T13:19:06 Z LittleCube Rarest Insects (IOI22_insects) C++17
99.11 / 100
 64 ms 552 KB 
#include "insects.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;

const double r = 0.45;

int min_cardinality(int N)
{
    vector<int> remain;
    int g = 0;
    {
        vector<int> single;
        for (int i = 0; i < N; i++)
        {
            move_inside(i);
            if (press_button() == 2)
                move_outside(i);
            else
                single.emplace_back(i), g++;
        }
        for (int i : single)
            move_outside(i);
    }
    int L = 1, R = N / g;
    for (int i = 0; i < N; i++)
        remain.emplace_back(i);
    int lazy = 0;
    while (L < R)
    {
        cerr << L << ' ' << R << '\n';
        int k = L * (1.0 - r) + R * r;
        vector<int> small, large;

        for (int i : remain)
        {
            move_inside(i);
            if (press_button() > k + 1)
            {
                move_outside(i);
                large.emplace_back(i);
            }
            else
                small.emplace_back(i);
        }
        if (small.size() + lazy == g * (k + 1))
            L = k + 1, remain = large, lazy = g * (k + 1);
        else
        {
            for (int i : small)
                move_outside(i);
            R = k, remain = small;
        }
    }
    return L;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:46:33: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   46 |         if (small.size() + lazy == g * (k + 1))
      |             ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 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 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 6 ms 300 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 6 ms 296 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 5 ms 308 KB Output is correct
13 Correct 5 ms 300 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 3 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 2 ms 304 KB Output is correct

Subtask #2
15.0 / 15.0

# 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 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 6 ms 300 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 6 ms 296 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 5 ms 308 KB Output is correct
13 Correct 5 ms 300 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 3 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 2 ms 304 KB Output is correct
23 Correct 21 ms 296 KB Output is correct
24 Correct 8 ms 336 KB Output is correct
25 Correct 19 ms 208 KB Output is correct
26 Correct 19 ms 296 KB Output is correct
27 Correct 18 ms 292 KB Output is correct
28 Correct 7 ms 300 KB Output is correct
29 Correct 28 ms 280 KB Output is correct
30 Correct 18 ms 292 KB Output is correct
31 Correct 28 ms 292 KB Output is correct
32 Correct 21 ms 300 KB Output is correct
33 Correct 12 ms 296 KB Output is correct
34 Correct 20 ms 296 KB Output is correct
35 Correct 11 ms 208 KB Output is correct
36 Correct 23 ms 304 KB Output is correct
37 Correct 24 ms 280 KB Output is correct
38 Correct 23 ms 300 KB Output is correct
39 Correct 22 ms 208 KB Output is correct
40 Correct 14 ms 300 KB Output is correct
41 Correct 8 ms 304 KB Output is correct

Subtask #3
74.11 / 75.0

# 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 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Partially correct 48 ms 304 KB Output is partially correct
8 Correct 14 ms 308 KB Output is correct
9 Partially correct 42 ms 288 KB Output is partially correct
10 Correct 40 ms 288 KB Output is correct
11 Correct 31 ms 296 KB Output is correct
12 Correct 32 ms 428 KB Output is correct
13 Correct 34 ms 208 KB Output is correct
14 Correct 38 ms 292 KB Output is correct
15 Partially correct 42 ms 284 KB Output is partially correct
16 Partially correct 39 ms 308 KB Output is partially correct
17 Partially correct 42 ms 552 KB Output is partially correct
18 Partially correct 55 ms 296 KB Output is partially correct
19 Partially correct 51 ms 300 KB Output is partially correct
20 Partially correct 62 ms 280 KB Output is partially correct
21 Partially correct 36 ms 312 KB Output is partially correct
22 Correct 51 ms 304 KB Output is correct
23 Correct 38 ms 284 KB Output is correct
24 Correct 37 ms 296 KB Output is correct
25 Correct 27 ms 288 KB Output is correct
26 Correct 13 ms 304 KB Output is correct
27 Partially correct 49 ms 408 KB Output is partially correct
28 Partially correct 64 ms 300 KB Output is partially correct
29 Partially correct 41 ms 300 KB Output is partially correct
30 Partially correct 34 ms 288 KB Output is partially correct
31 Correct 50 ms 280 KB Output is correct
32 Correct 41 ms 304 KB Output is correct
33 Correct 41 ms 276 KB Output is correct
34 Correct 37 ms 304 KB Output is correct
35 Partially correct 34 ms 296 KB Output is partially correct
36 Partially correct 42 ms 296 KB Output is partially correct
37 Correct 45 ms 300 KB Output is correct
38 Correct 44 ms 300 KB Output is correct
39 Partially correct 55 ms 280 KB Output is partially correct
40 Partially correct 39 ms 208 KB Output is partially correct
41 Partially correct 41 ms 288 KB Output is partially correct
42 Partially correct 33 ms 292 KB Output is partially correct
43 Correct 12 ms 288 KB Output is correct
44 Correct 42 ms 328 KB Output is correct
45 Partially correct 39 ms 280 KB Output is partially correct
46 Correct 27 ms 296 KB Output is correct
47 Correct 25 ms 300 KB Output is correct
48 Correct 35 ms 296 KB Output is correct