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Submission #706340

# Submission time Handle Problem Language Result Execution time Memory
706340 2023-03-06T09:43:38 Z danikoynov Rarest Insects (IOI22_insects) C++17
99.76 / 100
 80 ms 328 KB 
#include "insects.h"
#include<bits/stdc++.h>

using namespace std;
const int maxn = 2010;

int par[maxn], rnk[maxn];


int used[maxn], diff, n;

vector < int > safe;
bool check(int x)
{

    int cnt = safe.size();
    vector < int > vec;
    for (int i = 0; i < n && cnt != x * diff; i ++)
    {
        if (!used[i])
            continue;
        move_inside(i);
        vec.push_back(i);
        if (press_button() > x)
        {
            move_outside(i);
            vec.pop_back();
        }
        else
        {
            cnt ++;
        }
    }



        if (cnt != x * diff)
        {
            for (int i = 0; i < n; i ++)
                used[i] = 0;
            for (int v : vec)
                used[v] = 1;
            for (int v : vec)
                    move_outside(v);
        }
        else
        {

            for (int v : vec)
                used[v] = 0, safe.push_back(v);
        }
    return cnt == x * diff;
}

int find_different(int N)
{
        int cnt = 0;
    vector < int > vec;
    for (int i = 0; i < n; i ++)
    {
        move_inside(i);
        vec.push_back(i);
        if (press_button() > 1)
        {
            move_outside(i);
            vec.pop_back();
        }
        else
        {
            cnt ++;
        }
    }

    for (int v : vec)
        move_outside(v);
    return cnt;
}
int min_cardinality(int N)
{
    n = N;
    diff = find_different(N);
    for (int i = 0; i < N; i ++)
        used[i] = 1;
    int lf = 0, rf = N;
    rf = N / diff;
    if (diff == 1)
        return N;
    while(lf <= rf)
    {
        int mf = (lf + rf) / 2;
        if (check(mf))
            lf = mf + 1;
        else
            rf = mf - 1;
    }
    return rf;
}

Subtask #1
10.0 / 10.0

# 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 1 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 4 ms 208 KB Output is correct
8 Correct 6 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 5 ms 208 KB Output is correct
11 Correct 4 ms 208 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 6 ms 208 KB Output is correct
14 Correct 7 ms 208 KB Output is correct
15 Correct 10 ms 304 KB Output is correct
16 Correct 3 ms 304 KB Output is correct
17 Correct 9 ms 236 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 13 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 5 ms 208 KB Output is correct
22 Correct 4 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# 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 1 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 4 ms 208 KB Output is correct
8 Correct 6 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 5 ms 208 KB Output is correct
11 Correct 4 ms 208 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 6 ms 208 KB Output is correct
14 Correct 7 ms 208 KB Output is correct
15 Correct 10 ms 304 KB Output is correct
16 Correct 3 ms 304 KB Output is correct
17 Correct 9 ms 236 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 13 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 5 ms 208 KB Output is correct
22 Correct 4 ms 208 KB Output is correct
23 Correct 5 ms 304 KB Output is correct
24 Correct 14 ms 312 KB Output is correct
25 Correct 45 ms 292 KB Output is correct
26 Correct 18 ms 300 KB Output is correct
27 Correct 12 ms 300 KB Output is correct
28 Correct 31 ms 292 KB Output is correct
29 Correct 26 ms 288 KB Output is correct
30 Correct 14 ms 304 KB Output is correct
31 Correct 24 ms 280 KB Output is correct
32 Correct 49 ms 296 KB Output is correct
33 Correct 30 ms 288 KB Output is correct
34 Correct 22 ms 296 KB Output is correct
35 Correct 26 ms 292 KB Output is correct
36 Correct 43 ms 300 KB Output is correct
37 Correct 48 ms 292 KB Output is correct
38 Correct 36 ms 284 KB Output is correct
39 Correct 19 ms 208 KB Output is correct
40 Correct 21 ms 288 KB Output is correct
41 Correct 18 ms 292 KB Output is correct

Subtask #3
74.76 / 75.0

# 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 1 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 10 ms 208 KB Output is correct
8 Correct 46 ms 304 KB Output is correct
9 Correct 49 ms 300 KB Output is correct
10 Correct 45 ms 304 KB Output is correct
11 Correct 57 ms 280 KB Output is correct
12 Correct 33 ms 288 KB Output is correct
13 Correct 69 ms 296 KB Output is correct
14 Correct 47 ms 284 KB Output is correct
15 Correct 47 ms 300 KB Output is correct
16 Correct 61 ms 304 KB Output is correct
17 Correct 29 ms 304 KB Output is correct
18 Correct 51 ms 304 KB Output is correct
19 Correct 45 ms 304 KB Output is correct
20 Correct 27 ms 296 KB Output is correct
21 Correct 41 ms 296 KB Output is correct
22 Correct 56 ms 288 KB Output is correct
23 Correct 74 ms 208 KB Output is correct
24 Correct 29 ms 300 KB Output is correct
25 Correct 31 ms 300 KB Output is correct
26 Correct 38 ms 300 KB Output is correct
27 Correct 30 ms 284 KB Output is correct
28 Correct 38 ms 304 KB Output is correct
29 Correct 40 ms 292 KB Output is correct
30 Partially correct 75 ms 304 KB Output is partially correct
31 Correct 32 ms 296 KB Output is correct
32 Correct 80 ms 296 KB Output is correct
33 Correct 36 ms 292 KB Output is correct
34 Correct 45 ms 296 KB Output is correct
35 Correct 46 ms 304 KB Output is correct
36 Correct 37 ms 304 KB Output is correct
37 Correct 30 ms 328 KB Output is correct
38 Correct 53 ms 284 KB Output is correct
39 Correct 47 ms 304 KB Output is correct
40 Correct 42 ms 300 KB Output is correct
41 Correct 73 ms 284 KB Output is correct
42 Partially correct 31 ms 296 KB Output is partially correct
43 Correct 15 ms 208 KB Output is correct
44 Correct 42 ms 280 KB Output is correct
45 Correct 40 ms 288 KB Output is correct
46 Correct 47 ms 296 KB Output is correct
47 Correct 47 ms 300 KB Output is correct
48 Correct 78 ms 300 KB Output is correct