oj.uz

Submission #763450

# Submission time Handle Problem Language Result Execution time Memory
763450 2023-06-22T10:08:45 Z ZeroCool Rarest Insects (IOI22_insects) C++17
100 / 100
 48 ms 324 KB 
#include "insects.h"
#include <bits/stdc++.h>
#define ll long long
#define inf 1e9

using namespace std;



bool good[2001];
int Unique(int n){
    int cnt = 0 ;
    for(int i = 0;i<n;i++){
        move_inside(i);

        if(press_button() == 2){
            move_outside(i);
            continue;
        }
        cnt++;
        good[i] = false;
    }
    return cnt;
}

mt19937 _rand(time(NULL));

int min_cardinality(int n) {
    vector<int> v;
    for(int i = 0;i<n;i++){
        v.push_back(i);
        good[i] = true;
    }

    int unique = Unique(n);

    int l = 1;
    int r = (n / unique) + 1;
    int placed = unique;

    while(l + 1 < r){
        shuffle(v.begin(),v.end(),_rand);
        int mid = (l+r)/2;
        int area = placed;

        queue<int> bad;
        queue<int> used;

        for(auto i : v){
            if(area == unique * mid)break;
            if(good[i]){
                move_inside(i);
                if(press_button() > mid){
                    bad.push(i);
                    move_outside(i);
                }else{
                    used.push(i);
                    area++;
                }
            }
        }

        if(area == unique * mid){
            while(!used.empty()){
                good[used.front()] = false;
                used.pop();
            }
            placed = area;
            l = mid;
        }else{
            while(!bad.empty()){
                good[bad.front()] = false;
                bad.pop();
            }
            while(!used.empty()){
                move_outside(used.front());
                used.pop();
            }
            r = mid;
        }
    }
    return l;

    
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 4 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 3 ms 208 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 6 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 4 ms 208 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 4 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 4 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 3 ms 208 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 6 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 4 ms 208 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Correct 5 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 4 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 11 ms 208 KB Output is correct
24 Correct 7 ms 208 KB Output is correct
25 Correct 17 ms 208 KB Output is correct
26 Correct 29 ms 208 KB Output is correct
27 Correct 19 ms 208 KB Output is correct
28 Correct 7 ms 208 KB Output is correct
29 Correct 25 ms 208 KB Output is correct
30 Correct 16 ms 208 KB Output is correct
31 Correct 21 ms 208 KB Output is correct
32 Correct 9 ms 208 KB Output is correct
33 Correct 19 ms 208 KB Output is correct
34 Correct 21 ms 208 KB Output is correct
35 Correct 15 ms 208 KB Output is correct
36 Correct 20 ms 208 KB Output is correct
37 Correct 22 ms 208 KB Output is correct
38 Correct 15 ms 208 KB Output is correct
39 Correct 15 ms 208 KB Output is correct
40 Correct 13 ms 208 KB Output is correct
41 Correct 7 ms 208 KB Output is correct

Subtask #3
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 33 ms 208 KB Output is correct
8 Correct 13 ms 208 KB Output is correct
9 Correct 38 ms 208 KB Output is correct
10 Correct 34 ms 208 KB Output is correct
11 Correct 33 ms 300 KB Output is correct
12 Correct 26 ms 208 KB Output is correct
13 Correct 45 ms 300 KB Output is correct
14 Correct 45 ms 296 KB Output is correct
15 Correct 31 ms 208 KB Output is correct
16 Correct 40 ms 208 KB Output is correct
17 Correct 37 ms 208 KB Output is correct
18 Correct 29 ms 300 KB Output is correct
19 Correct 39 ms 300 KB Output is correct
20 Correct 36 ms 304 KB Output is correct
21 Correct 37 ms 300 KB Output is correct
22 Correct 45 ms 208 KB Output is correct
23 Correct 24 ms 296 KB Output is correct
24 Correct 30 ms 300 KB Output is correct
25 Correct 21 ms 208 KB Output is correct
26 Correct 13 ms 208 KB Output is correct
27 Correct 26 ms 208 KB Output is correct
28 Correct 32 ms 208 KB Output is correct
29 Correct 21 ms 312 KB Output is correct
30 Correct 31 ms 308 KB Output is correct
31 Correct 48 ms 208 KB Output is correct
32 Correct 47 ms 324 KB Output is correct
33 Correct 29 ms 300 KB Output is correct
34 Correct 47 ms 300 KB Output is correct
35 Correct 28 ms 208 KB Output is correct
36 Correct 27 ms 300 KB Output is correct
37 Correct 34 ms 300 KB Output is correct
38 Correct 35 ms 208 KB Output is correct
39 Correct 40 ms 300 KB Output is correct
40 Correct 34 ms 208 KB Output is correct
41 Correct 39 ms 300 KB Output is correct
42 Correct 36 ms 300 KB Output is correct
43 Correct 12 ms 208 KB Output is correct
44 Correct 26 ms 208 KB Output is correct
45 Correct 26 ms 208 KB Output is correct
46 Correct 25 ms 300 KB Output is correct
47 Correct 25 ms 208 KB Output is correct
48 Correct 23 ms 304 KB Output is correct