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Submission #859300

# Submission time Handle Problem Language Result Execution time Memory
859300 2023-10-10T03:34:36 Z MasterDobby Rarest Insects (IOI22_insects) C++17
40.31 / 100
 160 ms 1416 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=n-j;
            }
            else{
                move_outside(j);
            }
        }
        if(cnt2==mid*cnt) l=mid,now=cnt2,r=max({mid+1,mx,r});
        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 1 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 3 ms 344 KB Output is correct
9 Correct 7 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 8 ms 600 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 6 ms 600 KB Output is correct
19 Correct 3 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 1 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 3 ms 344 KB Output is correct
9 Correct 7 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 8 ms 600 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 6 ms 600 KB Output is correct
19 Correct 3 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 344 KB Output is correct
24 Correct 4 ms 600 KB Output is correct
25 Correct 17 ms 444 KB Output is correct
26 Correct 17 ms 600 KB Output is correct
27 Correct 36 ms 600 KB Output is correct
28 Correct 4 ms 600 KB Output is correct
29 Correct 54 ms 436 KB Output is correct
30 Correct 24 ms 436 KB Output is correct
31 Correct 13 ms 600 KB Output is correct
32 Correct 16 ms 680 KB Output is correct
33 Correct 19 ms 596 KB Output is correct
34 Correct 17 ms 856 KB Output is correct
35 Correct 22 ms 600 KB Output is correct
36 Correct 33 ms 592 KB Output is correct
37 Correct 32 ms 600 KB Output is correct
38 Correct 26 ms 448 KB Output is correct
39 Correct 10 ms 856 KB Output is correct
40 Correct 8 ms 856 KB Output is correct
41 Correct 5 ms 444 KB Output is correct

Subtask #3
15.31 / 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 1 ms 600 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 11 ms 344 KB Output is correct
8 Correct 8 ms 344 KB Output is correct
9 Partially correct 36 ms 676 KB Output is partially correct
10 Partially correct 39 ms 856 KB Output is partially correct
11 Partially correct 82 ms 344 KB Output is partially correct
12 Correct 9 ms 344 KB Output is correct
13 Partially correct 160 ms 600 KB Output is partially correct
14 Partially correct 47 ms 700 KB Output is partially correct
15 Partially correct 29 ms 856 KB Output is partially correct
16 Partially correct 31 ms 848 KB Output is partially correct
17 Partially correct 40 ms 932 KB Output is partially correct
18 Partially correct 45 ms 940 KB Output is partially correct
19 Partially correct 41 ms 924 KB Output is partially correct
20 Partially correct 50 ms 928 KB Output is partially correct
21 Partially correct 82 ms 948 KB Output is partially correct
22 Partially correct 89 ms 916 KB Output is partially correct
23 Partially correct 39 ms 1108 KB Output is partially correct
24 Correct 28 ms 604 KB Output is correct
25 Correct 14 ms 848 KB Output is correct
26 Correct 9 ms 600 KB Output is correct
27 Correct 25 ms 696 KB Output is correct
28 Partially correct 39 ms 676 KB Output is partially correct
29 Correct 27 ms 1112 KB Output is correct
30 Correct 39 ms 592 KB Output is correct
31 Partially correct 38 ms 692 KB Output is partially correct
32 Partially correct 45 ms 856 KB Output is partially correct
33 Partially correct 52 ms 592 KB Output is partially correct
34 Partially correct 125 ms 1088 KB Output is partially correct
35 Partially correct 27 ms 856 KB Output is partially correct
36 Partially correct 49 ms 676 KB Output is partially correct
37 Partially correct 41 ms 852 KB Output is partially correct
38 Partially correct 42 ms 428 KB Output is partially correct
39 Correct 23 ms 592 KB Output is correct
40 Partially correct 47 ms 1104 KB Output is partially correct
41 Partially correct 57 ms 1416 KB Output is partially correct
42 Partially correct 28 ms 672 KB Output is partially correct
43 Partially correct 14 ms 344 KB Output is partially correct
44 Partially correct 45 ms 344 KB Output is partially correct
45 Correct 25 ms 592 KB Output is correct
46 Correct 13 ms 600 KB Output is correct
47 Correct 13 ms 344 KB Output is correct
48 Correct 13 ms 600 KB Output is correct