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Submission #880449

# Submission time Handle Problem Language Result Execution time Memory
880449 2023-11-29T12:42:38 Z Elvin_Fritl Rarest Insects (IOI22_insects) C++17
100 / 100
 31 ms 856 KB 
#include "insects.h"
#include <bits/stdc++.h>
 
using namespace std;
 
bool color[2001];
 
mt19937_64 rng(time(NULL));

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

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 600 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 2 ms 436 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 2 ms 436 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 2 ms 852 KB Output is correct
18 Correct 2 ms 440 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 600 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 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 600 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 2 ms 436 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 2 ms 436 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 2 ms 852 KB Output is correct
18 Correct 2 ms 440 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 8 ms 600 KB Output is correct
24 Correct 4 ms 600 KB Output is correct
25 Correct 12 ms 444 KB Output is correct
26 Correct 13 ms 608 KB Output is correct
27 Correct 11 ms 444 KB Output is correct
28 Correct 4 ms 600 KB Output is correct
29 Correct 11 ms 856 KB Output is correct
30 Correct 12 ms 848 KB Output is correct
31 Correct 12 ms 604 KB Output is correct
32 Correct 11 ms 600 KB Output is correct
33 Correct 12 ms 440 KB Output is correct
34 Correct 13 ms 440 KB Output is correct
35 Correct 14 ms 440 KB Output is correct
36 Correct 11 ms 440 KB Output is correct
37 Correct 13 ms 600 KB Output is correct
38 Correct 12 ms 608 KB Output is correct
39 Correct 8 ms 608 KB Output is correct
40 Correct 7 ms 700 KB Output is correct
41 Correct 6 ms 344 KB Output is correct

Subtask #3
75.0 / 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 1 ms 356 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 20 ms 416 KB Output is correct
8 Correct 13 ms 600 KB Output is correct
9 Correct 26 ms 412 KB Output is correct
10 Correct 30 ms 672 KB Output is correct
11 Correct 25 ms 440 KB Output is correct
12 Correct 14 ms 448 KB Output is correct
13 Correct 29 ms 692 KB Output is correct
14 Correct 27 ms 432 KB Output is correct
15 Correct 19 ms 592 KB Output is correct
16 Correct 22 ms 592 KB Output is correct
17 Correct 20 ms 600 KB Output is correct
18 Correct 27 ms 504 KB Output is correct
19 Correct 23 ms 600 KB Output is correct
20 Correct 25 ms 600 KB Output is correct
21 Correct 25 ms 612 KB Output is correct
22 Correct 25 ms 676 KB Output is correct
23 Correct 26 ms 600 KB Output is correct
24 Correct 19 ms 420 KB Output is correct
25 Correct 14 ms 692 KB Output is correct
26 Correct 10 ms 592 KB Output is correct
27 Correct 20 ms 416 KB Output is correct
28 Correct 28 ms 412 KB Output is correct
29 Correct 20 ms 600 KB Output is correct
30 Correct 31 ms 344 KB Output is correct
31 Correct 27 ms 848 KB Output is correct
32 Correct 28 ms 592 KB Output is correct
33 Correct 27 ms 432 KB Output is correct
34 Correct 27 ms 852 KB Output is correct
35 Correct 23 ms 600 KB Output is correct
36 Correct 21 ms 600 KB Output is correct
37 Correct 23 ms 608 KB Output is correct
38 Correct 27 ms 448 KB Output is correct
39 Correct 22 ms 412 KB Output is correct
40 Correct 22 ms 592 KB Output is correct
41 Correct 29 ms 412 KB Output is correct
42 Correct 27 ms 448 KB Output is correct
43 Correct 5 ms 856 KB Output is correct
44 Correct 18 ms 688 KB Output is correct
45 Correct 22 ms 440 KB Output is correct
46 Correct 14 ms 436 KB Output is correct
47 Correct 11 ms 696 KB Output is correct
48 Correct 13 ms 428 KB Output is correct