Submission #1024651

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1024651	2024-07-16T08:53:34 Z	vjudge1	Rarest Insects (IOI22_insects)	C++17	98.24 / 100	50 ms	948 KB

insects

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
pair<int, int> pii;

const int maxn = 1e5 + 100;

int n, d;
int used[maxn];
int f[maxn];
int mx[maxn];
int mn[maxn];

void move_inside(int i);
void move_outside(int i);
int press_button();

void add(int i){
	used[i] = 1;
	move_inside(i);
}
void del(int i){
	used[i] = 0;
	move_outside(i);
}
void clear(){
	for(int i = 1; i <= n; i++){
		if(used[i]) del(i);
	}
}

int min_cardinality(int N){
	d = 0; n = N;
	for(int i = N - 1; i >= 0; i--){
		add(i); mn[i] = n;
		if(press_button() == 1) f[i] = 1, d++;
		else del(i);
	} clear();
	int ans = n / d, x = 0;
	for(int l = 1, r = n / d - 1; l <= r;){
		int mid = (l + r) >> 1;
		if(x < mid){
			for(int i = 0; i < n; i++){
				if(used[i] || mx[i] > mid) continue;
				add(i);
				if(press_button() > mid){
					mx[i] = mid + 1;
					del(i);
				} else mn[i] = min(mn[i], mid);
			}
		} else if(x > mid){
			for(int i = n - 1; i >= 0; i--){
				if(!used[i] || mn[i] <= mid) continue;
				if(press_button() <= mid) break;
				del(i);
			}
			for(int i = 0; i < n; i++){
				if(used[i] || mx[i] > mid) continue;
				add(i);
				if(press_button() > mid){
					mx[i] = mid + 1;
					del(i);
				} else mn[i] = min(mn[i], mid);
			}
		} x = mid;
		bool ok = 0;
		for(int i = 0; i < n; i++){
			if(used[i] && f[i]) ok = 1;
		}
		if(!ok) l = mid + 1;
		else r = mid - 1, ans = mid;
	}
	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	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	4 ms	344 KB	Output is correct
7	Correct	2 ms	344 KB	Output is correct
8	Correct	5 ms	344 KB	Output is correct
9	Correct	4 ms	344 KB	Output is correct
10	Correct	4 ms	596 KB	Output is correct
11	Correct	2 ms	344 KB	Output is correct
12	Correct	4 ms	460 KB	Output is correct
13	Correct	3 ms	344 KB	Output is correct
14	Correct	5 ms	344 KB	Output is correct
15	Correct	4 ms	344 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	5 ms	452 KB	Output is correct
18	Correct	4 ms	456 KB	Output is correct
19	Correct	3 ms	452 KB	Output is correct
20	Correct	3 ms	344 KB	Output is correct
21	Correct	3 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	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	4 ms	344 KB	Output is correct
7	Correct	2 ms	344 KB	Output is correct
8	Correct	5 ms	344 KB	Output is correct
9	Correct	4 ms	344 KB	Output is correct
10	Correct	4 ms	596 KB	Output is correct
11	Correct	2 ms	344 KB	Output is correct
12	Correct	4 ms	460 KB	Output is correct
13	Correct	3 ms	344 KB	Output is correct
14	Correct	5 ms	344 KB	Output is correct
15	Correct	4 ms	344 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	5 ms	452 KB	Output is correct
18	Correct	4 ms	456 KB	Output is correct
19	Correct	3 ms	452 KB	Output is correct
20	Correct	3 ms	344 KB	Output is correct
21	Correct	3 ms	344 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	18 ms	344 KB	Output is correct
24	Correct	4 ms	712 KB	Output is correct
25	Correct	15 ms	452 KB	Output is correct
26	Correct	17 ms	344 KB	Output is correct
27	Correct	24 ms	456 KB	Output is correct
28	Correct	5 ms	600 KB	Output is correct
29	Correct	15 ms	460 KB	Output is correct
30	Correct	17 ms	600 KB	Output is correct
31	Correct	23 ms	452 KB	Output is correct
32	Correct	18 ms	592 KB	Output is correct
33	Correct	19 ms	600 KB	Output is correct
34	Correct	20 ms	344 KB	Output is correct
35	Correct	18 ms	448 KB	Output is correct
36	Correct	18 ms	460 KB	Output is correct
37	Correct	23 ms	600 KB	Output is correct
38	Correct	9 ms	344 KB	Output is correct
39	Correct	14 ms	460 KB	Output is correct
40	Correct	10 ms	452 KB	Output is correct
41	Correct	5 ms	368 KB	Output is correct

Subtask #3
73.24 / 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	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	37 ms	464 KB	Output is correct
8	Correct	11 ms	460 KB	Output is correct
9	Partially correct	30 ms	452 KB	Output is partially correct
10	Partially correct	29 ms	608 KB	Output is partially correct
11	Correct	24 ms	612 KB	Output is correct
12	Correct	19 ms	588 KB	Output is correct
13	Correct	45 ms	344 KB	Output is correct
14	Partially correct	31 ms	460 KB	Output is partially correct
15	Partially correct	38 ms	344 KB	Output is partially correct
16	Partially correct	37 ms	460 KB	Output is partially correct
17	Partially correct	39 ms	604 KB	Output is partially correct
18	Partially correct	44 ms	592 KB	Output is partially correct
19	Partially correct	28 ms	344 KB	Output is partially correct
20	Partially correct	47 ms	460 KB	Output is partially correct
21	Partially correct	37 ms	948 KB	Output is partially correct
22	Partially correct	38 ms	600 KB	Output is partially correct
23	Partially correct	30 ms	596 KB	Output is partially correct
24	Correct	31 ms	344 KB	Output is correct
25	Correct	19 ms	344 KB	Output is correct
26	Correct	10 ms	600 KB	Output is correct
27	Partially correct	36 ms	592 KB	Output is partially correct
28	Partially correct	35 ms	344 KB	Output is partially correct
29	Partially correct	28 ms	696 KB	Output is partially correct
30	Partially correct	42 ms	600 KB	Output is partially correct
31	Correct	40 ms	464 KB	Output is correct
32	Partially correct	47 ms	344 KB	Output is partially correct
33	Correct	35 ms	344 KB	Output is correct
34	Correct	31 ms	708 KB	Output is correct
35	Partially correct	31 ms	712 KB	Output is partially correct
36	Partially correct	38 ms	600 KB	Output is partially correct
37	Correct	29 ms	592 KB	Output is correct
38	Correct	32 ms	600 KB	Output is correct
39	Correct	37 ms	712 KB	Output is correct
40	Correct	38 ms	600 KB	Output is correct
41	Partially correct	28 ms	448 KB	Output is partially correct
42	Partially correct	46 ms	716 KB	Output is partially correct
43	Correct	9 ms	600 KB	Output is correct
44	Correct	35 ms	464 KB	Output is correct
45	Correct	50 ms	456 KB	Output is correct
46	Correct	14 ms	716 KB	Output is correct
47	Correct	23 ms	692 KB	Output is correct
48	Correct	28 ms	452 KB	Output is correct

Submission #1024651

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 73.24 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
73.24 / 75.0