Submission #639045

# Submission time Handle Problem Language Result Execution time Memory
639045 2022-09-08T11:37:35 Z dxz05 Rarest Insects (IOI22_insects) C++17
50 / 100
254 ms 540 KB
#include "insects.h"
#include <bits/stdc++.h>

using namespace std;

int min_cardinality(int N) {
    vector<int> in;
    for (int i = 0; i < N; i++) {
        in.push_back(i);
        move_inside(i);
        if (press_button() >= 2) {
            in.pop_back();
            move_outside(i);
        }
    }

    int diff = (int)in.size();

    if (diff == 1) return N;

    function<bool(int)> check = [&](int x) {
        for (int i : in) move_outside(i);
        in.clear();

        for (int i = 0; i < N; i++) {
            in.push_back(i);
            move_inside(i);
            if (press_button() > x) {
                in.pop_back();
                move_outside(i);
            }
        }

        return (int)in.size() == x * diff;
    };

    int l = 1, r = N / diff;
    while (l <= r){
        int m = (l + r) >> 1;
        if (check(m)){
            l = m + 1;
        } else {
            r = m - 1;
        }
    }

    return r;
}
# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 208 KB Output is correct
6 Correct 3 ms 208 KB Output is correct
7 Correct 5 ms 304 KB Output is correct
8 Correct 10 ms 296 KB Output is correct
9 Correct 8 ms 304 KB Output is correct
10 Correct 19 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 9 ms 208 KB Output is correct
13 Correct 9 ms 208 KB Output is correct
14 Correct 10 ms 300 KB Output is correct
15 Correct 8 ms 208 KB Output is correct
16 Correct 8 ms 296 KB Output is correct
17 Correct 11 ms 300 KB Output is correct
18 Correct 8 ms 208 KB Output is correct
19 Correct 7 ms 300 KB Output is correct
20 Correct 7 ms 208 KB Output is correct
21 Correct 7 ms 208 KB Output is correct
22 Correct 3 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 208 KB Output is correct
6 Correct 3 ms 208 KB Output is correct
7 Correct 5 ms 304 KB Output is correct
8 Correct 10 ms 296 KB Output is correct
9 Correct 8 ms 304 KB Output is correct
10 Correct 19 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 9 ms 208 KB Output is correct
13 Correct 9 ms 208 KB Output is correct
14 Correct 10 ms 300 KB Output is correct
15 Correct 8 ms 208 KB Output is correct
16 Correct 8 ms 296 KB Output is correct
17 Correct 11 ms 300 KB Output is correct
18 Correct 8 ms 208 KB Output is correct
19 Correct 7 ms 300 KB Output is correct
20 Correct 7 ms 208 KB Output is correct
21 Correct 7 ms 208 KB Output is correct
22 Correct 3 ms 208 KB Output is correct
23 Correct 9 ms 208 KB Output is correct
24 Correct 24 ms 208 KB Output is correct
25 Correct 30 ms 288 KB Output is correct
26 Correct 49 ms 280 KB Output is correct
27 Correct 90 ms 296 KB Output is correct
28 Correct 15 ms 208 KB Output is correct
29 Correct 64 ms 208 KB Output is correct
30 Correct 51 ms 208 KB Output is correct
31 Correct 71 ms 280 KB Output is correct
32 Correct 71 ms 284 KB Output is correct
33 Correct 72 ms 284 KB Output is correct
34 Correct 72 ms 208 KB Output is correct
35 Correct 66 ms 296 KB Output is correct
36 Correct 59 ms 280 KB Output is correct
37 Correct 38 ms 208 KB Output is correct
38 Correct 36 ms 208 KB Output is correct
39 Correct 33 ms 208 KB Output is correct
40 Correct 24 ms 208 KB Output is correct
41 Correct 23 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 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 1 ms 208 KB Output is correct
6 Partially correct 1 ms 208 KB Output is partially correct
7 Correct 28 ms 208 KB Output is correct
8 Correct 35 ms 292 KB Output is correct
9 Partially correct 150 ms 284 KB Output is partially correct
10 Partially correct 140 ms 296 KB Output is partially correct
11 Partially correct 254 ms 284 KB Output is partially correct
12 Correct 58 ms 288 KB Output is correct
13 Partially correct 168 ms 280 KB Output is partially correct
14 Partially correct 121 ms 280 KB Output is partially correct
15 Partially correct 111 ms 296 KB Output is partially correct
16 Partially correct 145 ms 292 KB Output is partially correct
17 Partially correct 181 ms 300 KB Output is partially correct
18 Partially correct 168 ms 296 KB Output is partially correct
19 Partially correct 169 ms 296 KB Output is partially correct
20 Partially correct 157 ms 284 KB Output is partially correct
21 Partially correct 59 ms 300 KB Output is partially correct
22 Partially correct 85 ms 276 KB Output is partially correct
23 Partially correct 35 ms 288 KB Output is partially correct
24 Correct 45 ms 208 KB Output is correct
25 Correct 50 ms 288 KB Output is correct
26 Correct 33 ms 308 KB Output is correct
27 Partially correct 109 ms 400 KB Output is partially correct
28 Partially correct 119 ms 208 KB Output is partially correct
29 Partially correct 152 ms 388 KB Output is partially correct
30 Partially correct 150 ms 408 KB Output is partially correct
31 Partially correct 52 ms 296 KB Output is partially correct
32 Partially correct 94 ms 292 KB Output is partially correct
33 Partially correct 48 ms 292 KB Output is partially correct
34 Partially correct 47 ms 276 KB Output is partially correct
35 Partially correct 117 ms 540 KB Output is partially correct
36 Partially correct 72 ms 400 KB Output is partially correct
37 Partially correct 102 ms 288 KB Output is partially correct
38 Partially correct 109 ms 292 KB Output is partially correct
39 Partially correct 85 ms 280 KB Output is partially correct
40 Partially correct 110 ms 296 KB Output is partially correct
41 Partially correct 128 ms 388 KB Output is partially correct
42 Partially correct 125 ms 296 KB Output is partially correct
43 Partially correct 33 ms 208 KB Output is partially correct
44 Partially correct 181 ms 208 KB Output is partially correct
45 Partially correct 191 ms 296 KB Output is partially correct
46 Correct 52 ms 288 KB Output is correct
47 Correct 43 ms 304 KB Output is correct
48 Correct 48 ms 296 KB Output is correct