Submission #809031

# Submission time Handle Problem Language Result Execution time Memory
809031 2023-08-05T14:22:25 Z BT21tata Rarest Insects (IOI22_insects) C++17
90.22 / 100
86 ms 288 KB
#include "insects.h"
#include<bits/stdc++.h>
using namespace std;

int uni, n;
bool inside[2005], never[2005];

bool check(int x)
{
    if(x==1) return 1;
    for(int i=0; i<n; i++)
    {
        if(!inside[i] and !never[i])
        {
            move_inside(i);
            int cur=press_button();
            if(cur>x) move_outside(i);
            else inside[i]=1;
        }
    }
    int cnt=0;
    for(int i=0; i<n; i++)
        cnt+=(inside[i]==1);
    if(x*uni==cnt) return 1;
    return 0;
}

int min_cardinality(int N)
{
    n=N;
    for(int i=0; i<n; i++)
    {
        move_inside(i);
        int x=press_button();
        if(x==2) move_outside(i);
        else inside[i]=1, uni++;
    }
    for(int i=0; i<n; i++)
    {
        if(inside[i]) move_outside(i);
        inside[i]=0;
    }
    int l=1, r=n/uni;
    while(l<=r)
    {
        int mid=(l+r)>>1;
        if(check(mid)) l=mid+1;
        else
        {
            r=mid-1;
            for(int i=0; i<n; i++)
            {
                if(!inside[i]) never[i]=1;
                else inside[i]=0, move_outside(i);
            }
        }
    }
    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 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 5 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 5 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 6 ms 256 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 6 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 2 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 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 5 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 5 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 6 ms 256 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 6 ms 208 KB Output is correct
17 Correct 6 ms 208 KB Output is correct
18 Correct 4 ms 208 KB Output is correct
19 Correct 5 ms 208 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 30 ms 208 KB Output is correct
24 Correct 10 ms 208 KB Output is correct
25 Correct 18 ms 208 KB Output is correct
26 Correct 37 ms 280 KB Output is correct
27 Correct 15 ms 208 KB Output is correct
28 Correct 9 ms 208 KB Output is correct
29 Correct 19 ms 208 KB Output is correct
30 Correct 21 ms 208 KB Output is correct
31 Correct 28 ms 208 KB Output is correct
32 Correct 59 ms 208 KB Output is correct
33 Correct 17 ms 208 KB Output is correct
34 Correct 31 ms 208 KB Output is correct
35 Correct 27 ms 208 KB Output is correct
36 Correct 29 ms 208 KB Output is correct
37 Correct 21 ms 208 KB Output is correct
38 Correct 27 ms 208 KB Output is correct
39 Correct 21 ms 280 KB Output is correct
40 Correct 9 ms 208 KB Output is correct
41 Correct 9 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 0 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 1 ms 208 KB Output is correct
7 Correct 42 ms 208 KB Output is correct
8 Correct 18 ms 288 KB Output is correct
9 Correct 46 ms 208 KB Output is correct
10 Partially correct 54 ms 280 KB Output is partially correct
11 Correct 16 ms 208 KB Output is correct
12 Correct 26 ms 280 KB Output is correct
13 Correct 22 ms 280 KB Output is correct
14 Correct 47 ms 208 KB Output is correct
15 Partially correct 82 ms 280 KB Output is partially correct
16 Partially correct 73 ms 288 KB Output is partially correct
17 Partially correct 83 ms 288 KB Output is partially correct
18 Partially correct 86 ms 280 KB Output is partially correct
19 Partially correct 67 ms 208 KB Output is partially correct
20 Partially correct 81 ms 280 KB Output is partially correct
21 Partially correct 61 ms 280 KB Output is partially correct
22 Partially correct 62 ms 284 KB Output is partially correct
23 Correct 33 ms 208 KB Output is correct
24 Correct 34 ms 208 KB Output is correct
25 Correct 35 ms 280 KB Output is correct
26 Correct 8 ms 208 KB Output is correct
27 Partially correct 50 ms 208 KB Output is partially correct
28 Partially correct 44 ms 208 KB Output is partially correct
29 Partially correct 36 ms 284 KB Output is partially correct
30 Partially correct 47 ms 288 KB Output is partially correct
31 Partially correct 34 ms 284 KB Output is partially correct
32 Partially correct 68 ms 280 KB Output is partially correct
33 Correct 40 ms 288 KB Output is correct
34 Correct 48 ms 284 KB Output is correct
35 Partially correct 53 ms 280 KB Output is partially correct
36 Partially correct 35 ms 284 KB Output is partially correct
37 Partially correct 67 ms 284 KB Output is partially correct
38 Partially correct 73 ms 208 KB Output is partially correct
39 Partially correct 49 ms 208 KB Output is partially correct
40 Partially correct 44 ms 208 KB Output is partially correct
41 Partially correct 36 ms 208 KB Output is partially correct
42 Partially correct 51 ms 208 KB Output is partially correct
43 Correct 12 ms 208 KB Output is correct
44 Correct 39 ms 208 KB Output is correct
45 Correct 22 ms 208 KB Output is correct
46 Correct 43 ms 208 KB Output is correct
47 Correct 29 ms 208 KB Output is correct
48 Correct 24 ms 284 KB Output is correct