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Submission #886098

# Submission time Handle Problem Language Result Execution time Memory
886098 2023-12-11T13:06:55 Z thinknoexit Rarest Insects (IOI22_insects) C++17
53.16 / 100
 112 ms 1916 KB 
#include <bits/stdc++.h>
#include "insects.h"
using namespace std;
using ll = long long;
int n;
int sz = 0;
set<int> rem;
void putin(int x) {
    move_inside(x);
    sz++;
}
void putout(int x) {
    move_outside(x);
    sz--;
}
int val() {
    return press_button();
}
int min_cardinality(int N) {
    n = N;
    putin(0);
    for (int i = 1;i < n;i++) {
        putin(i);
        if (val() == 2) {
            putout(i);
            rem.insert(i);
        }
    }
    int type = sz;
    if (type == n) return 1;
    int l = 1, r = n / sz;
    while (l < r) {
        int mid = (l + r + 1) / 2;
        stack<int> st;
        for (auto& x : rem) {
            putin(x);
            if (val() > mid) {
                putout(x);
            }
            else {
                st.push(x);
            }
        }
        if (sz == type * mid) {
            while (!st.empty()) {
                rem.erase(st.top());
                st.pop();
            }
            l = mid;
        }
        else {
            while (!st.empty()) {
                putout(st.top());
                st.pop();
            }
            r = mid - 1;
        }
    }
    return l;
}

Subtask #1
10.0 / 10.0

# 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 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 4 ms 600 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 6 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 5 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 3 ms 348 KB Output is correct
17 Correct 4 ms 600 KB Output is correct
18 Correct 4 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 600 KB Output is correct
22 Correct 1 ms 600 KB Output is correct

Subtask #2
15.0 / 15.0

# 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 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 4 ms 600 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 6 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 5 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 3 ms 348 KB Output is correct
17 Correct 4 ms 600 KB Output is correct
18 Correct 4 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 600 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 16 ms 880 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 13 ms 700 KB Output is correct
26 Correct 19 ms 1116 KB Output is correct
27 Correct 48 ms 608 KB Output is correct
28 Correct 4 ms 856 KB Output is correct
29 Correct 41 ms 888 KB Output is correct
30 Correct 28 ms 1112 KB Output is correct
31 Correct 17 ms 1120 KB Output is correct
32 Correct 14 ms 600 KB Output is correct
33 Correct 17 ms 600 KB Output is correct
34 Correct 20 ms 952 KB Output is correct
35 Correct 17 ms 964 KB Output is correct
36 Correct 21 ms 856 KB Output is correct
37 Correct 15 ms 1112 KB Output is correct
38 Correct 17 ms 1212 KB Output is correct
39 Correct 12 ms 856 KB Output is correct
40 Correct 7 ms 600 KB Output is correct
41 Correct 6 ms 948 KB Output is correct

Subtask #3
28.16 / 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 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 28 ms 1492 KB Output is correct
8 Correct 10 ms 344 KB Output is correct
9 Correct 29 ms 1112 KB Output is correct
10 Partially correct 38 ms 1624 KB Output is partially correct
11 Partially correct 100 ms 992 KB Output is partially correct
12 Correct 15 ms 948 KB Output is correct
13 Partially correct 112 ms 1220 KB Output is partially correct
14 Partially correct 52 ms 720 KB Output is partially correct
15 Partially correct 28 ms 1484 KB Output is partially correct
16 Partially correct 33 ms 856 KB Output is partially correct
17 Partially correct 30 ms 1136 KB Output is partially correct
18 Partially correct 41 ms 952 KB Output is partially correct
19 Partially correct 38 ms 1916 KB Output is partially correct
20 Partially correct 35 ms 1368 KB Output is partially correct
21 Partially correct 43 ms 1136 KB Output is partially correct
22 Partially correct 50 ms 1192 KB Output is partially correct
23 Partially correct 38 ms 1112 KB Output is partially correct
24 Correct 24 ms 856 KB Output is correct
25 Correct 19 ms 600 KB Output is correct
26 Correct 9 ms 944 KB Output is correct
27 Correct 31 ms 1112 KB Output is correct
28 Correct 27 ms 1124 KB Output is correct
29 Partially correct 29 ms 744 KB Output is partially correct
30 Partially correct 26 ms 1364 KB Output is partially correct
31 Partially correct 37 ms 984 KB Output is partially correct
32 Partially correct 43 ms 1624 KB Output is partially correct
33 Partially correct 43 ms 696 KB Output is partially correct
34 Partially correct 50 ms 600 KB Output is partially correct
35 Partially correct 31 ms 1204 KB Output is partially correct
36 Partially correct 29 ms 1216 KB Output is partially correct
37 Partially correct 35 ms 1176 KB Output is partially correct
38 Partially correct 38 ms 1448 KB Output is partially correct
39 Correct 26 ms 900 KB Output is correct
40 Correct 27 ms 1240 KB Output is correct
41 Partially correct 32 ms 1392 KB Output is partially correct
42 Partially correct 26 ms 1112 KB Output is partially correct
43 Partially correct 15 ms 340 KB Output is partially correct
44 Partially correct 79 ms 1484 KB Output is partially correct
45 Correct 28 ms 904 KB Output is correct
46 Correct 13 ms 1112 KB Output is correct
47 Correct 13 ms 608 KB Output is correct
48 Correct 13 ms 1384 KB Output is correct