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Submission #859378

# Submission time Handle Problem Language Result Execution time Memory
859378 2023-10-10T05:50:43 Z thinknoexit Rarest Insects (IOI22_insects) C++17
53.16 / 100
 104 ms 1616 KB 
#include <bits/stdc++.h>
#include "insects.h"
using namespace std;
using ll = long long;
int in[2020];
set<int> candidate;
int min_cardinality(int n) {
    int type = 0;
    for (int i = 0;i < n;i++) {
        move_inside(i);
        if (press_button() == 2) {
            move_outside(i);
            candidate.insert(i);
        }
        else in[i] = 1, type++;
    }
    if (type == 1) return n;
    int mxans = n / type;
    int l = 1, r = mxans;
    int sz = type;
    while (l < r) {
        int mid = (l + r + 1) / 2;
        stack<int> s;
        for (auto i : candidate) {
            move_inside(i);
            if (press_button() > mid) move_outside(i);
            else in[i] = 1, s.push(i), sz++;
        }
        if (sz < type * mid) {
            if (r == l + 1) return l;
            while (!s.empty()) {
                in[s.top()] = 0;
                move_outside(s.top());
                sz--;
                s.pop();
            }
            r = mid - 1;
        }
        else {
            while (!s.empty()) candidate.erase(s.top()), s.pop();
            l = mid;
        }
    }
    return l;
}

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 1 ms 600 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 5 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 4 ms 600 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 2 ms 444 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 4 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 440 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 1 ms 600 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 5 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 4 ms 600 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 2 ms 444 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 4 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 440 KB Output is correct
23 Correct 6 ms 1136 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 13 ms 1120 KB Output is correct
26 Correct 17 ms 1104 KB Output is correct
27 Correct 41 ms 1112 KB Output is correct
28 Correct 4 ms 856 KB Output is correct
29 Correct 48 ms 600 KB Output is correct
30 Correct 33 ms 1368 KB Output is correct
31 Correct 18 ms 848 KB Output is correct
32 Correct 15 ms 856 KB Output is correct
33 Correct 22 ms 1368 KB Output is correct
34 Correct 16 ms 600 KB Output is correct
35 Correct 15 ms 628 KB Output is correct
36 Correct 25 ms 632 KB Output is correct
37 Correct 16 ms 852 KB Output is correct
38 Correct 19 ms 856 KB Output is correct
39 Correct 11 ms 856 KB Output is correct
40 Correct 7 ms 600 KB Output is correct
41 Correct 4 ms 600 KB Output is correct

Subtask #3
28.16 / 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 9 ms 1204 KB Output is correct
8 Correct 10 ms 344 KB Output is correct
9 Correct 26 ms 1236 KB Output is correct
10 Partially correct 42 ms 1112 KB Output is partially correct
11 Partially correct 101 ms 856 KB Output is partially correct
12 Correct 14 ms 1392 KB Output is correct
13 Partially correct 104 ms 1120 KB Output is partially correct
14 Partially correct 55 ms 1368 KB Output is partially correct
15 Partially correct 29 ms 696 KB Output is partially correct
16 Partially correct 27 ms 948 KB Output is partially correct
17 Partially correct 29 ms 1616 KB Output is partially correct
18 Partially correct 39 ms 1384 KB Output is partially correct
19 Partially correct 38 ms 1112 KB Output is partially correct
20 Partially correct 37 ms 1248 KB Output is partially correct
21 Partially correct 43 ms 1120 KB Output is partially correct
22 Partially correct 54 ms 592 KB Output is partially correct
23 Partially correct 30 ms 1112 KB Output is partially correct
24 Correct 22 ms 1112 KB Output is correct
25 Correct 16 ms 860 KB Output is correct
26 Correct 11 ms 612 KB Output is correct
27 Correct 25 ms 1488 KB Output is correct
28 Correct 27 ms 856 KB Output is correct
29 Partially correct 33 ms 856 KB Output is partially correct
30 Partially correct 31 ms 896 KB Output is partially correct
31 Partially correct 37 ms 1212 KB Output is partially correct
32 Partially correct 37 ms 1368 KB Output is partially correct
33 Partially correct 42 ms 1368 KB Output is partially correct
34 Partially correct 47 ms 1440 KB Output is partially correct
35 Partially correct 28 ms 624 KB Output is partially correct
36 Partially correct 24 ms 848 KB Output is partially correct
37 Partially correct 40 ms 600 KB Output is partially correct
38 Partially correct 37 ms 1516 KB Output is partially correct
39 Correct 26 ms 1104 KB Output is correct
40 Correct 30 ms 1388 KB Output is correct
41 Partially correct 28 ms 856 KB Output is partially correct
42 Partially correct 33 ms 1224 KB Output is partially correct
43 Partially correct 16 ms 600 KB Output is partially correct
44 Partially correct 75 ms 592 KB Output is partially correct
45 Correct 27 ms 1220 KB Output is correct
46 Correct 13 ms 600 KB Output is correct
47 Correct 14 ms 952 KB Output is correct
48 Correct 20 ms 856 KB Output is correct