Submission #1063460

# Submission time Handle Problem Language Result Execution time Memory
1063460 2024-08-17T18:51:38 Z parsadox2 Rarest Insects (IOI22_insects) C++17
99.83 / 100
50 ms 600 KB
#include <bits/stdc++.h>
#include "insects.h"
 
using namespace std;
 
const int N = 2e3 + 10 , Lg = 10;
int n , ans , cnt;
bool bad[N] , dead[N];
 
bool check(int mid)
{
	//cout << "Check : " << mid << endl;
	int all_in = 0;
	for(int i = 0 ; i < n ; i++)  if(!dead[i])
	{
		bad[i] = false;
		if(all_in == cnt * mid)
		{
			bad[i] = true;
			continue;
		}
		all_in++;
		move_inside(i);
		int val = press_button();
		if(val > mid)
		{
			bad[i] = true;
			all_in--;
			move_outside(i);
		}
	}
	//cout << mid << " : " << all_in << endl;
	for(int i = 0 ; i < n ; i++)  if(!bad[i] && !dead[i])
		move_outside(i);
	if(all_in == cnt * mid)
	{
		for(int i = 0 ; i < n ; i++)  if(!dead[i] && !bad[i])
			dead[i] = true;
		return true;
	}
	else
	{
		for(int i = 0 ; i < n ; i++)  if(!dead[i] && bad[i])
			dead[i] = true;
		return false;
	}
}
 
int min_cardinality(int nn)
{
	n = nn;
	vector <int> vec;
	for(int i = 0 ; i < n ; i++)
	{
		move_inside(i);
		int val = press_button();
		if(val == 1)
		{
			cnt++;
			vec.push_back(i);
		}
		else
		{
			move_outside(i);
		}
	}
	for(auto u : vec)
		move_outside(u);
	//cout << cnt << endl;
	int mx = n / cnt + 1;
	while(mx > 1)
	{
		int mid = mx / 2;
		//cout << mx << " : " << mid << endl;
		if(check(mid))
		{
			mx = mx - mid;
			ans += mid;
		}
		else
		{
			mx = mid;
		}
	}
	return ans;
}
# 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 1 ms 344 KB Output is correct
5 Correct 1 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 3 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 3 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 2 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 3 ms 344 KB Output is correct
21 Correct 4 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
# 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 1 ms 344 KB Output is correct
5 Correct 1 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 3 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 3 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 2 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 3 ms 344 KB Output is correct
21 Correct 4 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 13 ms 444 KB Output is correct
25 Correct 10 ms 344 KB Output is correct
26 Correct 18 ms 340 KB Output is correct
27 Correct 11 ms 344 KB Output is correct
28 Correct 12 ms 344 KB Output is correct
29 Correct 18 ms 344 KB Output is correct
30 Correct 9 ms 340 KB Output is correct
31 Correct 16 ms 344 KB Output is correct
32 Correct 14 ms 344 KB Output is correct
33 Correct 21 ms 344 KB Output is correct
34 Correct 17 ms 344 KB Output is correct
35 Correct 11 ms 344 KB Output is correct
36 Correct 19 ms 344 KB Output is correct
37 Correct 12 ms 344 KB Output is correct
38 Correct 15 ms 344 KB Output is correct
39 Correct 12 ms 344 KB Output is correct
40 Correct 12 ms 344 KB Output is correct
41 Correct 11 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 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 344 KB Output is correct
8 Correct 18 ms 600 KB Output is correct
9 Correct 20 ms 596 KB Output is correct
10 Correct 30 ms 344 KB Output is correct
11 Correct 27 ms 344 KB Output is correct
12 Correct 37 ms 344 KB Output is correct
13 Correct 32 ms 344 KB Output is correct
14 Correct 28 ms 344 KB Output is correct
15 Correct 26 ms 344 KB Output is correct
16 Correct 26 ms 344 KB Output is correct
17 Correct 28 ms 344 KB Output is correct
18 Correct 25 ms 344 KB Output is correct
19 Correct 25 ms 344 KB Output is correct
20 Correct 36 ms 344 KB Output is correct
21 Correct 50 ms 412 KB Output is correct
22 Correct 32 ms 420 KB Output is correct
23 Correct 29 ms 340 KB Output is correct
24 Correct 31 ms 344 KB Output is correct
25 Correct 23 ms 344 KB Output is correct
26 Correct 27 ms 600 KB Output is correct
27 Correct 29 ms 416 KB Output is correct
28 Correct 12 ms 344 KB Output is correct
29 Partially correct 27 ms 592 KB Output is partially correct
30 Partially correct 24 ms 344 KB Output is partially correct
31 Correct 24 ms 344 KB Output is correct
32 Correct 27 ms 344 KB Output is correct
33 Correct 21 ms 588 KB Output is correct
34 Correct 39 ms 412 KB Output is correct
35 Partially correct 31 ms 344 KB Output is partially correct
36 Correct 25 ms 344 KB Output is correct
37 Correct 48 ms 592 KB Output is correct
38 Correct 29 ms 412 KB Output is correct
39 Correct 30 ms 592 KB Output is correct
40 Correct 19 ms 344 KB Output is correct
41 Correct 28 ms 588 KB Output is correct
42 Partially correct 23 ms 344 KB Output is partially correct
43 Correct 7 ms 344 KB Output is correct
44 Correct 24 ms 344 KB Output is correct
45 Correct 28 ms 344 KB Output is correct
46 Correct 36 ms 600 KB Output is correct
47 Correct 29 ms 600 KB Output is correct
48 Correct 22 ms 592 KB Output is correct