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Submission #859273

# Submission time Handle Problem Language Result Execution time Memory
859273 2023-10-10T03:06:20 Z MasterDobby Rarest Insects (IOI22_insects) C++17
38.65 / 100
 92 ms 1420 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;

bitset<2020> ch;

int min_cardinality(int n){
    int cnt=1;
    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++;
        }
        else{
            move_outside(i);
        }
    }
    if(cnt==1) return n;
    // int ans=1;
    // for(int i=2;i<=min((int)n/cnt,cnt);i++){
    //     int cnt2=0;
    //     for(int j=0;j<n;j++){
    //         if(cnt2==cnt) break;
    //         if(ch[j]) continue;
    //         move_inside(j);
    //         int num=press_button();
    //         if(num==i){
    //             ch[j]=1;
    //             cnt2++;
    //         }
    //         else{
    //             move_outside(j);
    //         }
    //     }
    //     if(cnt2!=cnt) break;
    //     ans=i;
    // }
    // if(ans!=min((int)n/cnt,cnt)) return ans;
    int l=1,r=(int)n/cnt,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;
            nw.push_back(j);
            move_inside(j);
            int num=press_button();
            if(num<=mid){
                ch[j]=1;
                cnt2++;
            }
            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 600 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 5 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 5 ms 600 KB Output is correct
13 Correct 4 ms 600 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 2 ms 600 KB Output is correct
16 Correct 2 ms 600 KB Output is correct
17 Correct 3 ms 600 KB Output is correct
18 Correct 4 ms 600 KB Output is correct
19 Correct 2 ms 600 KB Output is correct
20 Correct 2 ms 600 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 600 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 5 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 5 ms 600 KB Output is correct
13 Correct 4 ms 600 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 2 ms 600 KB Output is correct
16 Correct 2 ms 600 KB Output is correct
17 Correct 3 ms 600 KB Output is correct
18 Correct 4 ms 600 KB Output is correct
19 Correct 2 ms 600 KB Output is correct
20 Correct 2 ms 600 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 344 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 10 ms 600 KB Output is correct
26 Correct 17 ms 696 KB Output is correct
27 Correct 43 ms 432 KB Output is correct
28 Correct 4 ms 344 KB Output is correct
29 Correct 38 ms 1172 KB Output is correct
30 Correct 26 ms 692 KB Output is correct
31 Correct 13 ms 600 KB Output is correct
32 Correct 12 ms 420 KB Output is correct
33 Correct 14 ms 444 KB Output is correct
34 Correct 13 ms 600 KB Output is correct
35 Correct 9 ms 856 KB Output is correct
36 Correct 16 ms 600 KB Output is correct
37 Correct 12 ms 856 KB Output is correct
38 Correct 15 ms 848 KB Output is correct
39 Correct 11 ms 600 KB Output is correct
40 Correct 9 ms 600 KB Output is correct
41 Correct 5 ms 344 KB Output is correct

Subtask #3
13.65 / 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 9 ms 344 KB Output is correct
8 Correct 10 ms 344 KB Output is correct
9 Correct 20 ms 684 KB Output is correct
10 Partially correct 37 ms 928 KB Output is partially correct
11 Partially correct 92 ms 1144 KB Output is partially correct
12 Correct 16 ms 592 KB Output is correct
13 Partially correct 89 ms 1108 KB Output is partially correct
14 Partially correct 59 ms 608 KB Output is partially correct
15 Correct 22 ms 848 KB Output is correct
16 Correct 23 ms 944 KB Output is correct
17 Correct 22 ms 856 KB Output is correct
18 Correct 32 ms 684 KB Output is correct
19 Correct 29 ms 1128 KB Output is correct
20 Partially correct 31 ms 428 KB Output is partially correct
21 Partially correct 35 ms 1104 KB Output is partially correct
22 Partially correct 42 ms 664 KB Output is partially correct
23 Partially correct 39 ms 672 KB Output is partially correct
24 Partially correct 26 ms 688 KB Output is partially correct
25 Correct 11 ms 1112 KB Output is correct
26 Correct 9 ms 596 KB Output is correct
27 Correct 30 ms 600 KB Output is correct
28 Correct 18 ms 588 KB Output is correct
29 Correct 35 ms 680 KB Output is correct
30 Correct 36 ms 600 KB Output is correct
31 Partially correct 34 ms 676 KB Output is partially correct
32 Partially correct 40 ms 912 KB Output is partially correct
33 Partially correct 46 ms 680 KB Output is partially correct
34 Partially correct 41 ms 856 KB Output is partially correct
35 Partially correct 37 ms 668 KB Output is partially correct
36 Correct 28 ms 688 KB Output is correct
37 Partially correct 37 ms 1420 KB Output is partially correct
38 Partially correct 40 ms 928 KB Output is partially correct
39 Correct 29 ms 436 KB Output is correct
40 Correct 15 ms 600 KB Output is correct
41 Correct 25 ms 608 KB Output is correct
42 Partially correct 32 ms 592 KB Output is partially correct
43 Partially correct 16 ms 1164 KB Output is partially correct
44 Partially correct 80 ms 852 KB Output is partially correct
45 Correct 17 ms 436 KB Output is correct
46 Correct 13 ms 592 KB Output is correct
47 Correct 12 ms 600 KB Output is correct
48 Correct 14 ms 600 KB Output is correct