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Submission #1025084

# Submission time Handle Problem Language Result Execution time Memory
1025084 2024-07-16T15:44:41 Z vjudge1 Rarest Insects (IOI22_insects) C++17
99.76 / 100
 43 ms 856 KB 
#include "insects.h"
#include <bits/stdc++.h>

#define ll long long
#define sz(s) (int)s.size()
#define pb push_back
#define in insert
#define lb lower_bound
#define ub upper_bound

using namespace std;

const int MAX=2e5+10;

int n;
set<int> a;
set<int> b;
set<int> st;

bool check(int m){
    // for(int x:a)st.in(x);
    vector<int> vec;
    vector<int> vec1;
    for(int i:b){
        move_inside(i);
        if(press_button()>m){
            move_outside(i);
            vec1.pb(i);
        }
        else{
            st.in(i);
            vec.pb(i);
        }
    }
    if(sz(st)<m*sz(a)){
        for(int x:vec){
            move_outside(x);
            st.erase(x);
            // b.erase(x);
        }
        for(int x:vec1)b.erase(x);
    }
    else{
        for(int x:st)b.erase(x);
    }
    // cout<<m<<" "<<sz(st)<<" "<<m*sz(a)<<"\n";
    // 0 33
    // 1 41
    // 2 40
    // 3 41
    // 4 45
    return (sz(st)==m*sz(a));
}

int min_cardinality(int N){
    n=N;
    for(int i=0;i<N;i++){
        move_inside(i);
        if(press_button()==2){
            b.in(i);
            move_outside(i);
        }
        else{
            st.in(i);
            a.in(i);
        }
    }
    int l=1,r=N/sz(a),res=1;
    while(l<=r){
        int m=(l+r)/2;
        if(check(m)){
            l=m+1;
            res=m;
        }
        else r=m-1;
    }
    return res;
}

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 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 444 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 2 ms 600 KB Output is correct
12 Correct 5 ms 436 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 4 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 3 ms 440 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 4 ms 344 KB Output is correct
22 Correct 3 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 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 444 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 2 ms 600 KB Output is correct
12 Correct 5 ms 436 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 4 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 3 ms 440 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 4 ms 344 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
23 Correct 12 ms 440 KB Output is correct
24 Correct 5 ms 344 KB Output is correct
25 Correct 15 ms 476 KB Output is correct
26 Correct 17 ms 624 KB Output is correct
27 Correct 16 ms 600 KB Output is correct
28 Correct 8 ms 596 KB Output is correct
29 Correct 14 ms 600 KB Output is correct
30 Correct 11 ms 500 KB Output is correct
31 Correct 13 ms 344 KB Output is correct
32 Correct 17 ms 600 KB Output is correct
33 Correct 14 ms 344 KB Output is correct
34 Correct 10 ms 344 KB Output is correct
35 Correct 13 ms 344 KB Output is correct
36 Correct 18 ms 612 KB Output is correct
37 Correct 27 ms 344 KB Output is correct
38 Correct 14 ms 344 KB Output is correct
39 Correct 18 ms 724 KB Output is correct
40 Correct 13 ms 616 KB Output is correct
41 Correct 9 ms 600 KB Output is correct

Subtask #3
74.76 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 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 25 ms 776 KB Output is correct
8 Correct 14 ms 600 KB Output is correct
9 Correct 31 ms 600 KB Output is correct
10 Correct 33 ms 700 KB Output is correct
11 Correct 23 ms 600 KB Output is correct
12 Correct 30 ms 704 KB Output is correct
13 Correct 38 ms 340 KB Output is correct
14 Correct 33 ms 600 KB Output is correct
15 Correct 22 ms 592 KB Output is correct
16 Correct 35 ms 716 KB Output is correct
17 Correct 30 ms 484 KB Output is correct
18 Correct 31 ms 600 KB Output is correct
19 Partially correct 31 ms 592 KB Output is partially correct
20 Correct 37 ms 600 KB Output is correct
21 Correct 36 ms 344 KB Output is correct
22 Correct 41 ms 600 KB Output is correct
23 Correct 37 ms 592 KB Output is correct
24 Correct 18 ms 600 KB Output is correct
25 Correct 26 ms 660 KB Output is correct
26 Correct 12 ms 576 KB Output is correct
27 Partially correct 33 ms 600 KB Output is partially correct
28 Partially correct 42 ms 856 KB Output is partially correct
29 Partially correct 35 ms 620 KB Output is partially correct
30 Partially correct 29 ms 768 KB Output is partially correct
31 Correct 31 ms 344 KB Output is correct
32 Correct 32 ms 344 KB Output is correct
33 Correct 43 ms 720 KB Output is correct
34 Correct 28 ms 592 KB Output is correct
35 Partially correct 23 ms 600 KB Output is partially correct
36 Partially correct 30 ms 344 KB Output is partially correct
37 Correct 26 ms 560 KB Output is correct
38 Correct 34 ms 740 KB Output is correct
39 Partially correct 38 ms 792 KB Output is partially correct
40 Partially correct 25 ms 520 KB Output is partially correct
41 Partially correct 31 ms 512 KB Output is partially correct
42 Partially correct 30 ms 600 KB Output is partially correct
43 Correct 9 ms 472 KB Output is correct
44 Correct 24 ms 600 KB Output is correct
45 Correct 24 ms 344 KB Output is correct
46 Correct 16 ms 600 KB Output is correct
47 Correct 30 ms 600 KB Output is correct
48 Correct 16 ms 600 KB Output is correct