oj.uz

Submission #822933

# Submission time Handle Problem Language Result Execution time Memory
822933 2023-08-12T05:18:39 Z finn__ Rarest Insects (IOI22_insects) C++17
47.77 / 100
 194 ms 528 KB 
#include <bits/stdc++.h>
#include "insects.h"

std::bitset<2000> in_machine;

int min_cardinality(int N)
{
    move_inside(0);
    in_machine[0] = 1;
    int d = 1;
    for (int i = 1; i < N; ++i)
    {
        move_inside(i);
        if (press_button() > 1)
            move_outside(i);
        else
            ++d, in_machine[i] = 1;
    }

    for (int i = 0; i < N; ++i)
        if (in_machine[i])
            move_outside(i), in_machine[i] = 0;

    int a = 1, b = N;
    while (a < b)
    {
        int const mid = (a + b + 1) >> 1;
        std::vector<int> moved;

        for (int i = 0; i < N && in_machine.count() < d * mid; ++i)
            if (!in_machine[i])
            {
                move_inside(i);
                if (press_button() > mid)
                    move_outside(i);
                else
                    in_machine[i] = 1, moved.push_back(i);
            }

        if (in_machine.count() == d * mid)
        {
            a = mid;
        }
        else
        {
            b = mid - 1;
            for (auto const &i : moved)
                in_machine[i] = 0, move_outside(i);
        }
    }

    return a;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:30:53: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   30 |         for (int i = 0; i < N && in_machine.count() < d * mid; ++i)
      |                                  ~~~~~~~~~~~~~~~~~~~^~~~~~~~~
insects.cpp:40:32: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   40 |         if (in_machine.count() == d * mid)
      |             ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 292 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 2 ms 208 KB Output is correct
7 Correct 17 ms 300 KB Output is correct
8 Correct 7 ms 300 KB Output is correct
9 Correct 10 ms 296 KB Output is correct
10 Correct 7 ms 208 KB Output is correct
11 Correct 14 ms 208 KB Output is correct
12 Correct 6 ms 208 KB Output is correct
13 Correct 11 ms 208 KB Output is correct
14 Correct 9 ms 296 KB Output is correct
15 Correct 8 ms 304 KB Output is correct
16 Correct 9 ms 280 KB Output is correct
17 Correct 13 ms 300 KB Output is correct
18 Correct 9 ms 300 KB Output is correct
19 Correct 10 ms 208 KB Output is correct
20 Correct 10 ms 208 KB Output is correct
21 Correct 10 ms 208 KB Output is correct
22 Correct 15 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 292 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 2 ms 208 KB Output is correct
7 Correct 17 ms 300 KB Output is correct
8 Correct 7 ms 300 KB Output is correct
9 Correct 10 ms 296 KB Output is correct
10 Correct 7 ms 208 KB Output is correct
11 Correct 14 ms 208 KB Output is correct
12 Correct 6 ms 208 KB Output is correct
13 Correct 11 ms 208 KB Output is correct
14 Correct 9 ms 296 KB Output is correct
15 Correct 8 ms 304 KB Output is correct
16 Correct 9 ms 280 KB Output is correct
17 Correct 13 ms 300 KB Output is correct
18 Correct 9 ms 300 KB Output is correct
19 Correct 10 ms 208 KB Output is correct
20 Correct 10 ms 208 KB Output is correct
21 Correct 10 ms 208 KB Output is correct
22 Correct 15 ms 208 KB Output is correct
23 Correct 13 ms 208 KB Output is correct
24 Correct 67 ms 300 KB Output is correct
25 Correct 25 ms 336 KB Output is correct
26 Correct 47 ms 288 KB Output is correct
27 Correct 52 ms 208 KB Output is correct
28 Correct 67 ms 412 KB Output is correct
29 Correct 62 ms 296 KB Output is correct
30 Correct 73 ms 304 KB Output is correct
31 Correct 35 ms 208 KB Output is correct
32 Correct 45 ms 284 KB Output is correct
33 Correct 43 ms 208 KB Output is correct
34 Correct 36 ms 336 KB Output is correct
35 Correct 46 ms 288 KB Output is correct
36 Correct 43 ms 284 KB Output is correct
37 Correct 57 ms 208 KB Output is correct
38 Correct 71 ms 288 KB Output is correct
39 Correct 69 ms 304 KB Output is correct
40 Correct 62 ms 288 KB Output is correct
41 Correct 88 ms 284 KB Output is correct

Subtask #3
22.77 / 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 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 37 ms 284 KB Output is correct
8 Partially correct 136 ms 300 KB Output is partially correct
9 Partially correct 100 ms 296 KB Output is partially correct
10 Partially correct 190 ms 276 KB Output is partially correct
11 Partially correct 121 ms 292 KB Output is partially correct
12 Partially correct 113 ms 420 KB Output is partially correct
13 Partially correct 87 ms 296 KB Output is partially correct
14 Partially correct 193 ms 296 KB Output is partially correct
15 Partially correct 57 ms 300 KB Output is partially correct
16 Partially correct 85 ms 300 KB Output is partially correct
17 Partially correct 94 ms 296 KB Output is partially correct
18 Partially correct 107 ms 292 KB Output is partially correct
19 Partially correct 68 ms 408 KB Output is partially correct
20 Partially correct 122 ms 300 KB Output is partially correct
21 Partially correct 126 ms 296 KB Output is partially correct
22 Partially correct 117 ms 296 KB Output is partially correct
23 Partially correct 142 ms 404 KB Output is partially correct
24 Partially correct 153 ms 292 KB Output is partially correct
25 Partially correct 169 ms 304 KB Output is partially correct
26 Partially correct 141 ms 292 KB Output is partially correct
27 Partially correct 73 ms 292 KB Output is partially correct
28 Partially correct 108 ms 296 KB Output is partially correct
29 Partially correct 90 ms 292 KB Output is partially correct
30 Partially correct 86 ms 288 KB Output is partially correct
31 Partially correct 162 ms 296 KB Output is partially correct
32 Partially correct 129 ms 408 KB Output is partially correct
33 Partially correct 194 ms 296 KB Output is partially correct
34 Partially correct 101 ms 300 KB Output is partially correct
35 Partially correct 98 ms 360 KB Output is partially correct
36 Partially correct 100 ms 328 KB Output is partially correct
37 Partially correct 176 ms 288 KB Output is partially correct
38 Partially correct 129 ms 300 KB Output is partially correct
39 Partially correct 94 ms 296 KB Output is partially correct
40 Partially correct 137 ms 296 KB Output is partially correct
41 Partially correct 121 ms 300 KB Output is partially correct
42 Partially correct 76 ms 296 KB Output is partially correct
43 Partially correct 29 ms 208 KB Output is partially correct
44 Partially correct 79 ms 408 KB Output is partially correct
45 Partially correct 42 ms 284 KB Output is partially correct
46 Partially correct 135 ms 528 KB Output is partially correct
47 Partially correct 101 ms 300 KB Output is partially correct
48 Partially correct 177 ms 296 KB Output is partially correct