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Submission #797546

# Submission time Handle Problem Language Result Execution time Memory
797546 2023-07-29T15:39:05 Z TahirAliyev Rarest Insects (IOI22_insects) C++17
100 / 100
 47 ms 324 KB 
#include "insects.h"
#include <bits/stdc++.h>

using namespace std;
//press_button
//move_outside
//move_inside

bool Inside[2001];

int min_cardinality(int N) {
    move_inside(0);
    Inside[0] = 1;

    int k = 1;
    for (int i = 1; i < N; i++)
    {
        move_inside(i);
        if(press_button() == 2){
            move_outside(i);
        }
        else{
            Inside[i] = 1;
            k++;
        }
    }
    vector<int> v;
    for (int i = 0; i < N; i++)
    {
        v.push_back(i);
    }
    random_shuffle(v.begin(), v.end());
    int l = 2, r = N / k;
    int ans = 1;
    int t = k;
    while(l <= r){
        int mid = (l + r) / 2;
        vector<int> added;
        vector<int> bl;
        for (int i : v)
        {
            if(t == mid * k) break;
            if(Inside[i]){
                continue;
            }
            move_inside(i);
            if(press_button() == mid + 1){
                move_outside(i);
                bl.push_back(i);
            }
            else{
                Inside[i] = 1;
                t++;
                added.push_back(i);
            }
        }
        if(t == mid * k){
            l = mid + 1;
            ans = mid;
        }
        else{
            r = mid - 1;
            for(int i : added){
                move_outside(i);
                Inside[i] = 0;
                t--;
            }
            for(int i : bl){
                Inside[i] = 1;
            }
        }
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 4 ms 208 KB Output is correct
7 Correct 2 ms 300 KB Output is correct
8 Correct 3 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 2 ms 304 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 3 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 5 ms 300 KB Output is correct
17 Correct 4 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 6 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 3 ms 308 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 0 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 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 4 ms 208 KB Output is correct
7 Correct 2 ms 300 KB Output is correct
8 Correct 3 ms 208 KB Output is correct
9 Correct 5 ms 208 KB Output is correct
10 Correct 2 ms 304 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 4 ms 208 KB Output is correct
13 Correct 3 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 5 ms 300 KB Output is correct
17 Correct 4 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 6 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 3 ms 308 KB Output is correct
22 Correct 2 ms 208 KB Output is correct
23 Correct 13 ms 208 KB Output is correct
24 Correct 9 ms 296 KB Output is correct
25 Correct 19 ms 292 KB Output is correct
26 Correct 16 ms 288 KB Output is correct
27 Correct 13 ms 208 KB Output is correct
28 Correct 9 ms 280 KB Output is correct
29 Correct 23 ms 300 KB Output is correct
30 Correct 17 ms 208 KB Output is correct
31 Correct 21 ms 304 KB Output is correct
32 Correct 18 ms 208 KB Output is correct
33 Correct 21 ms 304 KB Output is correct
34 Correct 19 ms 280 KB Output is correct
35 Correct 20 ms 296 KB Output is correct
36 Correct 20 ms 284 KB Output is correct
37 Correct 22 ms 224 KB Output is correct
38 Correct 9 ms 208 KB Output is correct
39 Correct 13 ms 288 KB Output is correct
40 Correct 13 ms 208 KB Output is correct
41 Correct 6 ms 284 KB Output is correct

Subtask #3
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 33 ms 292 KB Output is correct
8 Correct 19 ms 292 KB Output is correct
9 Correct 36 ms 284 KB Output is correct
10 Correct 29 ms 296 KB Output is correct
11 Correct 20 ms 324 KB Output is correct
12 Correct 20 ms 284 KB Output is correct
13 Correct 47 ms 300 KB Output is correct
14 Correct 28 ms 300 KB Output is correct
15 Correct 33 ms 280 KB Output is correct
16 Correct 44 ms 280 KB Output is correct
17 Correct 29 ms 208 KB Output is correct
18 Correct 22 ms 288 KB Output is correct
19 Correct 29 ms 288 KB Output is correct
20 Correct 42 ms 296 KB Output is correct
21 Correct 47 ms 304 KB Output is correct
22 Correct 43 ms 296 KB Output is correct
23 Correct 23 ms 312 KB Output is correct
24 Correct 37 ms 300 KB Output is correct
25 Correct 28 ms 304 KB Output is correct
26 Correct 16 ms 300 KB Output is correct
27 Correct 41 ms 296 KB Output is correct
28 Correct 41 ms 284 KB Output is correct
29 Correct 21 ms 288 KB Output is correct
30 Correct 25 ms 304 KB Output is correct
31 Correct 39 ms 304 KB Output is correct
32 Correct 42 ms 296 KB Output is correct
33 Correct 32 ms 296 KB Output is correct
34 Correct 22 ms 300 KB Output is correct
35 Correct 41 ms 300 KB Output is correct
36 Correct 44 ms 284 KB Output is correct
37 Correct 47 ms 296 KB Output is correct
38 Correct 20 ms 300 KB Output is correct
39 Correct 42 ms 288 KB Output is correct
40 Correct 34 ms 296 KB Output is correct
41 Correct 31 ms 300 KB Output is correct
42 Correct 40 ms 292 KB Output is correct
43 Correct 9 ms 208 KB Output is correct
44 Correct 34 ms 296 KB Output is correct
45 Correct 38 ms 284 KB Output is correct
46 Correct 16 ms 208 KB Output is correct
47 Correct 25 ms 288 KB Output is correct
48 Correct 21 ms 280 KB Output is correct