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Submission #1025088

# Submission time Handle Problem Language Result Execution time Memory
1025088 2024-07-16T15:48:57 Z vjudge1 Rarest Insects (IOI22_insects) C++17
99.95 / 100
 46 ms 860 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)b.erase(x);
            return 1;
        }
    }
    if(sz(st)<m*sz(a)){
        for(int x:vec){
            move_outside(x);
            st.erase(x);
        }
        for(int x:vec1)b.erase(x);
    }
    else{
        for(int x:vec)b.erase(x);
    }
    return (sz(st)==m*sz(a));
}

int min_cardinality(int N){
    n=N;
    move_inside(0);
    a.in(0);
    st.in(0);
    for(int i=1;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 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 2 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 5 ms 344 KB Output is correct
10 Correct 3 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 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 4 ms 444 KB Output is correct
16 Correct 3 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 3 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 1 ms 600 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 2 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 5 ms 344 KB Output is correct
10 Correct 3 ms 600 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 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 4 ms 444 KB Output is correct
16 Correct 3 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 3 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 1 ms 600 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 15 ms 344 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 11 ms 600 KB Output is correct
26 Correct 10 ms 344 KB Output is correct
27 Correct 12 ms 600 KB Output is correct
28 Correct 5 ms 344 KB Output is correct
29 Correct 14 ms 860 KB Output is correct
30 Correct 14 ms 344 KB Output is correct
31 Correct 11 ms 600 KB Output is correct
32 Correct 12 ms 344 KB Output is correct
33 Correct 14 ms 344 KB Output is correct
34 Correct 9 ms 344 KB Output is correct
35 Correct 14 ms 856 KB Output is correct
36 Correct 16 ms 476 KB Output is correct
37 Correct 13 ms 436 KB Output is correct
38 Correct 11 ms 600 KB Output is correct
39 Correct 13 ms 620 KB Output is correct
40 Correct 5 ms 600 KB Output is correct
41 Correct 6 ms 856 KB Output is correct

Subtask #3
74.95 / 75.0

# 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 0 ms 344 KB Output is correct
7 Correct 21 ms 600 KB Output is correct
8 Correct 9 ms 600 KB Output is correct
9 Correct 15 ms 344 KB Output is correct
10 Correct 39 ms 600 KB Output is correct
11 Correct 19 ms 444 KB Output is correct
12 Correct 14 ms 344 KB Output is correct
13 Correct 46 ms 592 KB Output is correct
14 Correct 40 ms 600 KB Output is correct
15 Correct 21 ms 600 KB Output is correct
16 Correct 21 ms 592 KB Output is correct
17 Correct 29 ms 600 KB Output is correct
18 Correct 22 ms 500 KB Output is correct
19 Correct 25 ms 796 KB Output is correct
20 Correct 26 ms 344 KB Output is correct
21 Correct 18 ms 344 KB Output is correct
22 Correct 32 ms 700 KB Output is correct
23 Correct 30 ms 732 KB Output is correct
24 Correct 27 ms 556 KB Output is correct
25 Correct 12 ms 344 KB Output is correct
26 Correct 10 ms 344 KB Output is correct
27 Correct 22 ms 600 KB Output is correct
28 Correct 21 ms 600 KB Output is correct
29 Correct 46 ms 504 KB Output is correct
30 Correct 35 ms 344 KB Output is correct
31 Correct 36 ms 344 KB Output is correct
32 Correct 44 ms 600 KB Output is correct
33 Correct 30 ms 596 KB Output is correct
34 Correct 26 ms 600 KB Output is correct
35 Partially correct 33 ms 344 KB Output is partially correct
36 Correct 27 ms 448 KB Output is correct
37 Correct 27 ms 512 KB Output is correct
38 Correct 26 ms 560 KB Output is correct
39 Correct 20 ms 600 KB Output is correct
40 Correct 17 ms 344 KB Output is correct
41 Correct 32 ms 592 KB Output is correct
42 Partially correct 35 ms 600 KB Output is partially correct
43 Correct 7 ms 344 KB Output is correct
44 Correct 23 ms 784 KB Output is correct
45 Correct 26 ms 600 KB Output is correct
46 Correct 16 ms 720 KB Output is correct
47 Correct 9 ms 536 KB Output is correct
48 Correct 17 ms 600 KB Output is correct