Submission #628964

# Submission time Handle Problem Language Result Execution time Memory
628964 2022-08-13T21:38:00 Z dqhungdl Rarest Insects (IOI22_insects) C++17
92.97 / 100
107 ms 292 KB
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;

int diff = 0;
vector<bool> mark, used;

void countDiff(int N) {
    for (int i = 0; i < N; i++) {
        move_inside(i);
        if (press_button() == 1) {
            diff++;
            mark[i] = true;
        } else
            move_outside(i);
    }
}

bool check(int lim, int N) {
    if (press_button() > lim) {
        for (int i = 0; i < N; i++)
            if (!mark[i])
                used[i] = true;
        for (int i = 0; i < N; i++)
            if (mark[i]) {
                mark[i] = false;
                move_outside(i);
            }
    }
    int cnt = accumulate(mark.begin(), mark.end(), 0);
    for (int i = 0; i < N; i++)
        if (!mark[i] && !used[i]) {
            move_inside(i);
            int tmp = press_button();
            if (tmp > lim)
                move_outside(i);
            else {
                cnt++;
                mark[i] = true;
                if (cnt == lim * diff)
                    break;
            }
        }
    return cnt < lim * diff;
}

int min_cardinality(int N) {
    mark.resize(N);
    used.resize(N);
    countDiff(N);
    int l = 2, r = N / diff, rs = 1;
    while (l <= r) {
        int mid = l + (r - l) / 2;
        if (check(mid, N))
            r = mid - 1;
        else {
            rs = mid;
            l = mid + 1;
        }
    }
    return rs;
}
# 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 1 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 3 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 6 ms 208 KB Output is correct
13 Correct 7 ms 208 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 7 ms 208 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 7 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 6 ms 208 KB Output is correct
20 Correct 5 ms 288 KB Output is correct
21 Correct 5 ms 208 KB Output is correct
22 Correct 3 ms 208 KB Output is correct
# 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 1 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 3 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 4 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 6 ms 208 KB Output is correct
13 Correct 7 ms 208 KB Output is correct
14 Correct 6 ms 208 KB Output is correct
15 Correct 7 ms 208 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 7 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 6 ms 208 KB Output is correct
20 Correct 5 ms 288 KB Output is correct
21 Correct 5 ms 208 KB Output is correct
22 Correct 3 ms 208 KB Output is correct
23 Correct 12 ms 208 KB Output is correct
24 Correct 9 ms 208 KB Output is correct
25 Correct 18 ms 208 KB Output is correct
26 Correct 32 ms 208 KB Output is correct
27 Correct 28 ms 208 KB Output is correct
28 Correct 7 ms 208 KB Output is correct
29 Correct 29 ms 208 KB Output is correct
30 Correct 26 ms 208 KB Output is correct
31 Correct 24 ms 208 KB Output is correct
32 Correct 35 ms 208 KB Output is correct
33 Correct 39 ms 208 KB Output is correct
34 Correct 29 ms 208 KB Output is correct
35 Correct 29 ms 208 KB Output is correct
36 Correct 27 ms 208 KB Output is correct
37 Correct 24 ms 208 KB Output is correct
38 Correct 28 ms 208 KB Output is correct
39 Correct 19 ms 208 KB Output is correct
40 Correct 13 ms 208 KB Output is correct
41 Correct 10 ms 208 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 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 1 ms 208 KB Output is correct
7 Correct 29 ms 208 KB Output is correct
8 Correct 19 ms 208 KB Output is correct
9 Correct 46 ms 208 KB Output is correct
10 Partially correct 107 ms 208 KB Output is partially correct
11 Correct 21 ms 208 KB Output is correct
12 Correct 30 ms 208 KB Output is correct
13 Correct 58 ms 208 KB Output is correct
14 Correct 43 ms 208 KB Output is correct
15 Partially correct 79 ms 280 KB Output is partially correct
16 Partially correct 72 ms 284 KB Output is partially correct
17 Partially correct 75 ms 276 KB Output is partially correct
18 Partially correct 33 ms 280 KB Output is partially correct
19 Partially correct 52 ms 276 KB Output is partially correct
20 Partially correct 74 ms 276 KB Output is partially correct
21 Partially correct 78 ms 280 KB Output is partially correct
22 Correct 50 ms 280 KB Output is correct
23 Correct 51 ms 208 KB Output is correct
24 Correct 51 ms 280 KB Output is correct
25 Correct 25 ms 208 KB Output is correct
26 Correct 17 ms 208 KB Output is correct
27 Correct 48 ms 208 KB Output is correct
28 Correct 45 ms 208 KB Output is correct
29 Partially correct 49 ms 208 KB Output is partially correct
30 Partially correct 67 ms 208 KB Output is partially correct
31 Partially correct 82 ms 276 KB Output is partially correct
32 Partially correct 95 ms 276 KB Output is partially correct
33 Correct 64 ms 284 KB Output is correct
34 Correct 37 ms 208 KB Output is correct
35 Partially correct 40 ms 208 KB Output is partially correct
36 Correct 29 ms 208 KB Output is correct
37 Partially correct 58 ms 292 KB Output is partially correct
38 Partially correct 89 ms 280 KB Output is partially correct
39 Correct 45 ms 208 KB Output is correct
40 Correct 29 ms 208 KB Output is correct
41 Correct 48 ms 208 KB Output is correct
42 Partially correct 55 ms 208 KB Output is partially correct
43 Correct 14 ms 208 KB Output is correct
44 Correct 29 ms 208 KB Output is correct
45 Correct 25 ms 208 KB Output is correct
46 Correct 24 ms 208 KB Output is correct
47 Correct 24 ms 208 KB Output is correct
48 Correct 26 ms 208 KB Output is correct