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Submission #938943

# Submission time Handle Problem Language Result Execution time Memory
938943 2024-03-06T00:43:36 Z irmuun Rarest Insects (IOI22_insects) C++17
57.14 / 100
 93 ms 1712 KB 
#include<bits/stdc++.h>
#include "insects.h"
 
using namespace std;
 
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()
 
int min_cardinality(int n){
    int d=0;
    set<int>st;
    for(int i=0;i<n;i++){
        d++;
        move_inside(i);
        st.insert(i);
        int cnt=press_button();
        if(cnt>1){
            move_outside(i);
            st.erase(i);
            d--;
        }
    }
    for(auto i:st){
        move_outside(i);
    }
    if(d<8){
        vector<int>type(n,0);
        int ans=n;
        for(int i=1;i<=d;i++){
            int cur=0;
            set<int>st;
            for(int j=0;j<n;j++){
                if(type[j]==0){
                    move_inside(j);
                    st.insert(j);
                    cur++;
                    int cnt=press_button();
                    if(cnt==cur){
                        type[j]=i;
                    }
                    else{
                        st.erase(j);
                        cur--;
                        move_outside(j);
                    }
                }
            }
            ans=min(ans,(int)st.size());
            for(auto j:st){
                move_outside(j);
            }
        }
        return ans;
    }
    int l=1,r=n/d;
    while(l<r){
        int mid=(l+r+1)/2;
        int len=0;
        st.clear();
        for(int i=0;i<n;i++){
            len++;
            move_inside(i);
            st.insert(i);
            int cnt=press_button();
            if(cnt>mid){
                len--;
                move_outside(i);
                st.erase(i);
            }
        }
        if(len==d*mid){
            l=mid;
        }
        else{
            r=mid-1;
        }
        for(auto i:st){
            move_outside(i);
        }
    }
    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 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 4 ms 600 KB Output is correct
9 Correct 4 ms 600 KB Output is correct
10 Correct 3 ms 436 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 5 ms 600 KB Output is correct
16 Correct 4 ms 600 KB Output is correct
17 Correct 4 ms 344 KB Output is correct
18 Correct 5 ms 344 KB Output is correct
19 Correct 3 ms 688 KB Output is correct
20 Correct 4 ms 512 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 1 ms 600 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 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 4 ms 600 KB Output is correct
9 Correct 4 ms 600 KB Output is correct
10 Correct 3 ms 436 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 5 ms 600 KB Output is correct
16 Correct 4 ms 600 KB Output is correct
17 Correct 4 ms 344 KB Output is correct
18 Correct 5 ms 344 KB Output is correct
19 Correct 3 ms 688 KB Output is correct
20 Correct 4 ms 512 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 10 ms 1104 KB Output is correct
24 Correct 4 ms 856 KB Output is correct
25 Correct 30 ms 712 KB Output is correct
26 Correct 33 ms 944 KB Output is correct
27 Correct 10 ms 884 KB Output is correct
28 Correct 6 ms 600 KB Output is correct
29 Correct 16 ms 600 KB Output is correct
30 Correct 28 ms 600 KB Output is correct
31 Correct 20 ms 608 KB Output is correct
32 Correct 35 ms 964 KB Output is correct
33 Correct 38 ms 1212 KB Output is correct
34 Correct 36 ms 1208 KB Output is correct
35 Correct 32 ms 956 KB Output is correct
36 Correct 31 ms 1204 KB Output is correct
37 Correct 24 ms 1208 KB Output is correct
38 Correct 19 ms 852 KB Output is correct
39 Correct 15 ms 1212 KB Output is correct
40 Correct 8 ms 1112 KB Output is correct
41 Correct 6 ms 868 KB Output is correct

Subtask #3
32.14 / 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 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 18 ms 924 KB Output is correct
8 Correct 10 ms 1624 KB Output is correct
9 Partially correct 73 ms 996 KB Output is partially correct
10 Partially correct 63 ms 1240 KB Output is partially correct
11 Correct 18 ms 664 KB Output is correct
12 Correct 16 ms 1220 KB Output is correct
13 Partially correct 30 ms 704 KB Output is partially correct
14 Partially correct 71 ms 956 KB Output is partially correct
15 Partially correct 42 ms 668 KB Output is partially correct
16 Partially correct 93 ms 764 KB Output is partially correct
17 Partially correct 93 ms 1712 KB Output is partially correct
18 Partially correct 69 ms 1232 KB Output is partially correct
19 Partially correct 73 ms 1152 KB Output is partially correct
20 Partially correct 67 ms 956 KB Output is partially correct
21 Partially correct 75 ms 728 KB Output is partially correct
22 Partially correct 54 ms 944 KB Output is partially correct
23 Partially correct 38 ms 976 KB Output is partially correct
24 Correct 32 ms 1620 KB Output is correct
25 Correct 24 ms 676 KB Output is correct
26 Correct 8 ms 856 KB Output is correct
27 Partially correct 66 ms 1248 KB Output is partially correct
28 Partially correct 56 ms 884 KB Output is partially correct
29 Partially correct 80 ms 1380 KB Output is partially correct
30 Partially correct 78 ms 952 KB Output is partially correct
31 Partially correct 57 ms 848 KB Output is partially correct
32 Partially correct 65 ms 720 KB Output is partially correct
33 Partially correct 43 ms 856 KB Output is partially correct
34 Partially correct 53 ms 696 KB Output is partially correct
35 Partially correct 71 ms 960 KB Output is partially correct
36 Partially correct 72 ms 992 KB Output is partially correct
37 Partially correct 60 ms 1696 KB Output is partially correct
38 Partially correct 59 ms 884 KB Output is partially correct
39 Partially correct 56 ms 984 KB Output is partially correct
40 Partially correct 55 ms 896 KB Output is partially correct
41 Partially correct 67 ms 928 KB Output is partially correct
42 Partially correct 69 ms 992 KB Output is partially correct
43 Correct 6 ms 856 KB Output is correct
44 Correct 16 ms 596 KB Output is correct
45 Correct 24 ms 716 KB Output is correct
46 Correct 18 ms 868 KB Output is correct
47 Correct 17 ms 856 KB Output is correct
48 Correct 20 ms 1108 KB Output is correct