Submission #1072561

# Submission time Handle Problem Language Result Execution time Memory
1072561 2024-08-23T22:04:52 Z Unforgettablepl Rarest Insects (IOI22_insects) C++17
99.95 / 100
46 ms 920 KB
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;

int min_cardinality(int N){
    int uniques = 1;
    move_inside(0);
    vector uni = {0};
    for(int i=1;i<N;i++) {
        move_inside(i);
        if(press_button()==1){ uniques++;uni.emplace_back(i);}
        else move_outside(i);
    }
    vector<int> last_added;
    vector<int> last_removed;
    vector<bool> currently(N);
    vector<bool> skipped(N);
    for(int&i:uni) {
        currently[i]=true;
    }
    auto check = [&](int x) {
        last_added.clear();
        last_removed.clear();
        int curr = 0;
        for(int i=0;i<N;i++)if(currently[i])curr++;
        for(int i=0;i<N;i++) {
            if(currently[i])continue;
            if(skipped[i])continue;
            currently[i]=true;
            move_inside(i);
            if(press_button()<=x) {
                last_added.emplace_back(i);
                if(++curr==uniques*x)return true;
                continue;
            }
            last_removed.emplace_back(i);
            move_outside(i);
            currently[i]=false;
        }
        return curr==uniques*x;
    };
    auto revert = [&]() {
        for(int&i:last_added) {
            currently[i]=false;
            move_outside(i);
        }
        for(int&i:last_removed)skipped[i]=true;
    };
    int ans = 0;
    int L = 1;
    int R = N/uniques;
    while(L<=R) {
        int mid = (L+R)/2;
        if(check(mid)) {
            ans=mid;
            L = mid+1;
        } else {
            revert();
            R = mid-1;
        }
    }
    return ans;
}
# 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 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 3 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 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 2 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 2 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 3 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
# 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 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 3 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 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 2 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 2 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 3 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 10 ms 344 KB Output is correct
24 Correct 7 ms 344 KB Output is correct
25 Correct 11 ms 344 KB Output is correct
26 Correct 14 ms 436 KB Output is correct
27 Correct 13 ms 344 KB Output is correct
28 Correct 7 ms 440 KB Output is correct
29 Correct 10 ms 436 KB Output is correct
30 Correct 12 ms 432 KB Output is correct
31 Correct 9 ms 344 KB Output is correct
32 Correct 13 ms 344 KB Output is correct
33 Correct 10 ms 600 KB Output is correct
34 Correct 9 ms 344 KB Output is correct
35 Correct 10 ms 344 KB Output is correct
36 Correct 15 ms 432 KB Output is correct
37 Correct 12 ms 432 KB Output is correct
38 Correct 13 ms 600 KB Output is correct
39 Correct 11 ms 436 KB Output is correct
40 Correct 14 ms 344 KB Output is correct
41 Correct 6 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 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 17 ms 432 KB Output is correct
8 Correct 12 ms 600 KB Output is correct
9 Correct 16 ms 340 KB Output is correct
10 Correct 20 ms 424 KB Output is correct
11 Correct 28 ms 592 KB Output is correct
12 Correct 19 ms 344 KB Output is correct
13 Correct 35 ms 416 KB Output is correct
14 Correct 33 ms 344 KB Output is correct
15 Correct 26 ms 424 KB Output is correct
16 Correct 21 ms 592 KB Output is correct
17 Correct 24 ms 340 KB Output is correct
18 Correct 21 ms 340 KB Output is correct
19 Correct 20 ms 412 KB Output is correct
20 Correct 37 ms 592 KB Output is correct
21 Correct 35 ms 344 KB Output is correct
22 Correct 36 ms 344 KB Output is correct
23 Correct 23 ms 600 KB Output is correct
24 Correct 25 ms 592 KB Output is correct
25 Correct 20 ms 440 KB Output is correct
26 Correct 9 ms 344 KB Output is correct
27 Correct 31 ms 424 KB Output is correct
28 Correct 15 ms 592 KB Output is correct
29 Correct 32 ms 436 KB Output is correct
30 Correct 33 ms 408 KB Output is correct
31 Correct 33 ms 668 KB Output is correct
32 Correct 36 ms 920 KB Output is correct
33 Correct 28 ms 344 KB Output is correct
34 Correct 46 ms 344 KB Output is correct
35 Partially correct 38 ms 668 KB Output is partially correct
36 Correct 22 ms 344 KB Output is correct
37 Correct 30 ms 428 KB Output is correct
38 Correct 38 ms 668 KB Output is correct
39 Correct 32 ms 424 KB Output is correct
40 Correct 14 ms 344 KB Output is correct
41 Correct 25 ms 664 KB Output is correct
42 Partially correct 32 ms 344 KB Output is partially correct
43 Correct 6 ms 344 KB Output is correct
44 Correct 30 ms 592 KB Output is correct
45 Correct 16 ms 344 KB Output is correct
46 Correct 25 ms 416 KB Output is correct
47 Correct 22 ms 592 KB Output is correct
48 Correct 20 ms 420 KB Output is correct