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Submission #1025086

# Submission time Handle Problem Language Result Execution time Memory
1025086 2024-07-16T15:46:56 Z vjudge1 Rarest Insects (IOI22_insects) C++17
99.95 / 100
 45 ms 980 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;
    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 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 436 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 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 432 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 2 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 1 ms 344 KB Output is correct
6 Correct 2 ms 436 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 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 432 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 2 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 9 ms 344 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 17 ms 600 KB Output is correct
26 Correct 12 ms 344 KB Output is correct
27 Correct 13 ms 496 KB Output is correct
28 Correct 7 ms 484 KB Output is correct
29 Correct 17 ms 708 KB Output is correct
30 Correct 11 ms 596 KB Output is correct
31 Correct 10 ms 344 KB Output is correct
32 Correct 10 ms 344 KB Output is correct
33 Correct 15 ms 504 KB Output is correct
34 Correct 23 ms 464 KB Output is correct
35 Correct 13 ms 344 KB Output is correct
36 Correct 16 ms 600 KB Output is correct
37 Correct 10 ms 344 KB Output is correct
38 Correct 18 ms 600 KB Output is correct
39 Correct 11 ms 344 KB Output is correct
40 Correct 8 ms 496 KB Output is correct
41 Correct 5 ms 344 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 1 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 18 ms 600 KB Output is correct
8 Correct 12 ms 600 KB Output is correct
9 Correct 29 ms 736 KB Output is correct
10 Correct 28 ms 708 KB Output is correct
11 Correct 28 ms 756 KB Output is correct
12 Correct 16 ms 600 KB Output is correct
13 Correct 33 ms 592 KB Output is correct
14 Correct 45 ms 600 KB Output is correct
15 Correct 26 ms 696 KB Output is correct
16 Correct 29 ms 600 KB Output is correct
17 Correct 24 ms 604 KB Output is correct
18 Correct 27 ms 456 KB Output is correct
19 Correct 36 ms 848 KB Output is correct
20 Correct 35 ms 484 KB Output is correct
21 Correct 25 ms 344 KB Output is correct
22 Correct 33 ms 592 KB Output is correct
23 Correct 28 ms 488 KB Output is correct
24 Correct 22 ms 796 KB Output is correct
25 Correct 21 ms 800 KB Output is correct
26 Correct 7 ms 980 KB Output is correct
27 Correct 26 ms 344 KB Output is correct
28 Correct 15 ms 600 KB Output is correct
29 Correct 36 ms 556 KB Output is correct
30 Correct 36 ms 612 KB Output is correct
31 Correct 34 ms 484 KB Output is correct
32 Correct 31 ms 612 KB Output is correct
33 Correct 32 ms 600 KB Output is correct
34 Correct 31 ms 568 KB Output is correct
35 Partially correct 32 ms 848 KB Output is partially correct
36 Correct 22 ms 552 KB Output is correct
37 Correct 30 ms 344 KB Output is correct
38 Correct 27 ms 480 KB Output is correct
39 Correct 39 ms 592 KB Output is correct
40 Correct 22 ms 856 KB Output is correct
41 Correct 39 ms 600 KB Output is correct
42 Partially correct 41 ms 588 KB Output is partially correct
43 Correct 7 ms 600 KB Output is correct
44 Correct 30 ms 600 KB Output is correct
45 Correct 31 ms 592 KB Output is correct
46 Correct 18 ms 556 KB Output is correct
47 Correct 26 ms 600 KB Output is correct
48 Correct 16 ms 556 KB Output is correct