Submission #1072560

# Submission time Handle Problem Language Result Execution time Memory
1072560 2024-08-23T22:03:16 Z Unforgettablepl Rarest Insects (IOI22_insects) C++17
99.83 / 100
44 ms 848 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);
    }
    for(int&i:uni)move_outside(i);
    vector<int> last_added;
    vector<int> last_removed;
    vector<bool> currently(N);
    vector<bool> skipped(N);
    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 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 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 3 ms 436 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 4 ms 344 KB Output is correct
18 Correct 4 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 3 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 2 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
11 Correct 3 ms 436 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 5 ms 344 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 4 ms 344 KB Output is correct
18 Correct 4 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
23 Correct 11 ms 428 KB Output is correct
24 Correct 14 ms 432 KB Output is correct
25 Correct 10 ms 344 KB Output is correct
26 Correct 11 ms 344 KB Output is correct
27 Correct 13 ms 344 KB Output is correct
28 Correct 12 ms 420 KB Output is correct
29 Correct 17 ms 436 KB Output is correct
30 Correct 15 ms 344 KB Output is correct
31 Correct 11 ms 596 KB Output is correct
32 Correct 12 ms 440 KB Output is correct
33 Correct 10 ms 344 KB Output is correct
34 Correct 10 ms 344 KB Output is correct
35 Correct 17 ms 592 KB Output is correct
36 Correct 19 ms 344 KB Output is correct
37 Correct 9 ms 344 KB Output is correct
38 Correct 19 ms 432 KB Output is correct
39 Correct 18 ms 440 KB Output is correct
40 Correct 16 ms 436 KB Output is correct
41 Correct 15 ms 848 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 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 20 ms 436 KB Output is correct
8 Correct 18 ms 608 KB Output is correct
9 Correct 32 ms 344 KB Output is correct
10 Correct 26 ms 344 KB Output is correct
11 Correct 41 ms 344 KB Output is correct
12 Correct 22 ms 344 KB Output is correct
13 Correct 26 ms 600 KB Output is correct
14 Correct 32 ms 592 KB Output is correct
15 Correct 20 ms 440 KB Output is correct
16 Correct 22 ms 344 KB Output is correct
17 Correct 17 ms 592 KB Output is correct
18 Correct 30 ms 412 KB Output is correct
19 Correct 36 ms 596 KB Output is correct
20 Correct 20 ms 344 KB Output is correct
21 Correct 32 ms 344 KB Output is correct
22 Correct 43 ms 344 KB Output is correct
23 Correct 42 ms 440 KB Output is correct
24 Correct 31 ms 672 KB Output is correct
25 Correct 30 ms 344 KB Output is correct
26 Correct 21 ms 424 KB Output is correct
27 Correct 25 ms 592 KB Output is correct
28 Correct 14 ms 344 KB Output is correct
29 Partially correct 41 ms 424 KB Output is partially correct
30 Partially correct 25 ms 344 KB Output is partially correct
31 Correct 44 ms 664 KB Output is correct
32 Correct 33 ms 420 KB Output is correct
33 Correct 31 ms 848 KB Output is correct
34 Correct 38 ms 664 KB Output is correct
35 Partially correct 36 ms 432 KB Output is partially correct
36 Correct 22 ms 344 KB Output is correct
37 Correct 40 ms 592 KB Output is correct
38 Correct 25 ms 344 KB Output is correct
39 Correct 27 ms 416 KB Output is correct
40 Correct 17 ms 592 KB Output is correct
41 Correct 31 ms 412 KB Output is correct
42 Partially correct 40 ms 592 KB Output is partially correct
43 Correct 8 ms 600 KB Output is correct
44 Correct 23 ms 592 KB Output is correct
45 Correct 37 ms 344 KB Output is correct
46 Correct 30 ms 676 KB Output is correct
47 Correct 17 ms 344 KB Output is correct
48 Correct 29 ms 600 KB Output is correct