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Submission #859311

# Submission time Handle Problem Language Result Execution time Memory
859311 2023-10-10T03:46:12 Z MasterDobby Rarest Insects (IOI22_insects) C++17
53.16 / 100
 90 ms 1104 KB 
#include <bits/stdc++.h>
#include "insects.h"
#define all(a) a.begin(),a.end()
#define pii pair<int,int>

using namespace std;
using ll = long long;

int ch[2020];

int min_cardinality(int n){
    int cnt=1,mx=0;
    ch[0]=1;
    move_inside(0);
    for(int i=1;i<n;i++){
        move_inside(i);
        int num=press_button();
        if(num==1){
            ch[i]=1;
            cnt++;
            mx=n-i;
        }
        else{
            move_outside(i);
        }
    }
    if(cnt==1) return n;
    // for(int i=0;i<n;i++){
    //     if(ch[i]) continue;
    //     move_inside(i);
    // }
    // mx=min(mx,press_button());
    // for(int i=0;i<n;i++){
    //     if(ch[i]) continue;
    //     move_outside(i);
    // }
    int l=1,r=min((int)n/cnt,mx),now=cnt;
    while(l<r){
        int mid=(l+r+1)/2;
        int cnt2=now;
        vector<int> nw;
        for(int j=0;j<n;j++){
            if(cnt2==mid*cnt) break;
            if(ch[j]) continue;
            move_inside(j);
            int num=press_button();
            if(num<=mid){
                ch[j]=1;
                nw.push_back(j);
                cnt2++;
                mx=min(mx,n-j);
            }
            else{
                move_outside(j);
            }
        }
        if(cnt2==mid*cnt) l=mid,now=cnt2;
        else{
            r=mid-1;
            for(auto x:nw) move_outside(x),ch[x]=0;
        }
    }
    return l;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 5 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 3 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 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 5 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 3 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 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 5 ms 596 KB Output is correct
24 Correct 4 ms 436 KB Output is correct
25 Correct 12 ms 692 KB Output is correct
26 Correct 22 ms 428 KB Output is correct
27 Correct 45 ms 344 KB Output is correct
28 Correct 5 ms 600 KB Output is correct
29 Correct 37 ms 600 KB Output is correct
30 Correct 26 ms 440 KB Output is correct
31 Correct 11 ms 592 KB Output is correct
32 Correct 15 ms 600 KB Output is correct
33 Correct 13 ms 600 KB Output is correct
34 Correct 16 ms 436 KB Output is correct
35 Correct 10 ms 440 KB Output is correct
36 Correct 12 ms 600 KB Output is correct
37 Correct 13 ms 604 KB Output is correct
38 Correct 14 ms 600 KB Output is correct
39 Correct 10 ms 604 KB Output is correct
40 Correct 7 ms 600 KB Output is correct
41 Correct 4 ms 436 KB Output is correct

Subtask #3
28.16 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 12 ms 596 KB Output is correct
8 Correct 14 ms 600 KB Output is correct
9 Correct 31 ms 344 KB Output is correct
10 Partially correct 37 ms 420 KB Output is partially correct
11 Partially correct 85 ms 600 KB Output is partially correct
12 Correct 8 ms 600 KB Output is correct
13 Partially correct 90 ms 856 KB Output is partially correct
14 Partially correct 52 ms 696 KB Output is partially correct
15 Correct 21 ms 848 KB Output is correct
16 Correct 22 ms 436 KB Output is correct
17 Correct 22 ms 600 KB Output is correct
18 Correct 24 ms 600 KB Output is correct
19 Correct 23 ms 692 KB Output is correct
20 Partially correct 41 ms 760 KB Output is partially correct
21 Partially correct 39 ms 428 KB Output is partially correct
22 Partially correct 34 ms 596 KB Output is partially correct
23 Partially correct 42 ms 600 KB Output is partially correct
24 Correct 21 ms 852 KB Output is correct
25 Correct 13 ms 600 KB Output is correct
26 Correct 8 ms 444 KB Output is correct
27 Correct 27 ms 344 KB Output is correct
28 Correct 16 ms 676 KB Output is correct
29 Correct 32 ms 432 KB Output is correct
30 Correct 33 ms 848 KB Output is correct
31 Partially correct 35 ms 424 KB Output is partially correct
32 Partially correct 39 ms 848 KB Output is partially correct
33 Partially correct 43 ms 856 KB Output is partially correct
34 Partially correct 39 ms 1104 KB Output is partially correct
35 Partially correct 27 ms 600 KB Output is partially correct
36 Correct 19 ms 604 KB Output is correct
37 Partially correct 39 ms 440 KB Output is partially correct
38 Partially correct 46 ms 432 KB Output is partially correct
39 Correct 23 ms 344 KB Output is correct
40 Correct 18 ms 600 KB Output is correct
41 Correct 23 ms 856 KB Output is correct
42 Partially correct 31 ms 604 KB Output is partially correct
43 Partially correct 15 ms 344 KB Output is partially correct
44 Partially correct 41 ms 440 KB Output is partially correct
45 Correct 19 ms 592 KB Output is correct
46 Correct 12 ms 600 KB Output is correct
47 Correct 12 ms 852 KB Output is correct
48 Correct 11 ms 600 KB Output is correct