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Submission #1060092

# Submission time Handle Problem Language Result Execution time Memory
1060092 2024-08-15T10:36:08 Z parsadox2 Rarest Insects (IOI22_insects) C++17
38.24 / 100
 204 ms 1068 KB 
#include <bits/stdc++.h>
#include "insects.h"

using namespace std;

const int N = 2e3 + 10;
int n;
bool bad[N];

bool check(int mid)
{
	for(int i = 0 ; i < n ; i++)
	{
		bad[i] = false;
		move_inside(i);
		int val = press_button();
		if(val > mid)
		{
			bad[i] = true;
			move_outside(i);
		}
	}
	for(int i = 0 ; i < n ; i++)  if(!bad[i])
		move_outside(i);
	bool flg = true;
	vector <int> vec;
	int cnt = 0;
	for(int i = 0 ; i < n ; i++)  if(bad[i])
	{
		flg = false;
		move_inside(i);
		int val = press_button();
		if(val > 1)
		{
			move_outside(i);
			cnt++;
		}
		else
		{
			cnt += (mid + 1);
			vec.push_back(i);
		}
	}
	for(auto u : vec)
		move_outside(u);
	return(cnt != n);
}

int min_cardinality(int nn)
{
	n = nn;
	int low = 0 , high = n;
	while(high - low > 1)
	{
		int mid = (low + high) >> 1;
		if(check(mid))
			high = mid;
		else
			low = mid;
	}
	return high;
}

Compilation message

insects.cpp: In function 'bool check(int)':
insects.cpp:25:7: warning: variable 'flg' set but not used [-Wunused-but-set-variable]
   25 |  bool flg = true;
      |       ^~~

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 1 ms 344 KB Output is correct
6 Correct 8 ms 344 KB Output is correct
7 Correct 6 ms 344 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Correct 8 ms 340 KB Output is correct
10 Correct 12 ms 344 KB Output is correct
11 Correct 10 ms 344 KB Output is correct
12 Correct 19 ms 344 KB Output is correct
13 Correct 13 ms 340 KB Output is correct
14 Correct 7 ms 344 KB Output is correct
15 Correct 10 ms 344 KB Output is correct
16 Correct 10 ms 344 KB Output is correct
17 Correct 9 ms 344 KB Output is correct
18 Correct 14 ms 344 KB Output is correct
19 Correct 9 ms 344 KB Output is correct
20 Correct 7 ms 344 KB Output is correct
21 Correct 7 ms 344 KB Output is correct
22 Correct 7 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 1 ms 344 KB Output is correct
6 Correct 8 ms 344 KB Output is correct
7 Correct 6 ms 344 KB Output is correct
8 Correct 9 ms 344 KB Output is correct
9 Correct 8 ms 340 KB Output is correct
10 Correct 12 ms 344 KB Output is correct
11 Correct 10 ms 344 KB Output is correct
12 Correct 19 ms 344 KB Output is correct
13 Correct 13 ms 340 KB Output is correct
14 Correct 7 ms 344 KB Output is correct
15 Correct 10 ms 344 KB Output is correct
16 Correct 10 ms 344 KB Output is correct
17 Correct 9 ms 344 KB Output is correct
18 Correct 14 ms 344 KB Output is correct
19 Correct 9 ms 344 KB Output is correct
20 Correct 7 ms 344 KB Output is correct
21 Correct 7 ms 344 KB Output is correct
22 Correct 7 ms 344 KB Output is correct
23 Correct 70 ms 344 KB Output is correct
24 Correct 70 ms 344 KB Output is correct
25 Correct 47 ms 412 KB Output is correct
26 Correct 76 ms 412 KB Output is correct
27 Correct 102 ms 344 KB Output is correct
28 Correct 91 ms 432 KB Output is correct
29 Correct 104 ms 344 KB Output is correct
30 Correct 91 ms 344 KB Output is correct
31 Correct 72 ms 344 KB Output is correct
32 Correct 74 ms 344 KB Output is correct
33 Correct 70 ms 344 KB Output is correct
34 Correct 62 ms 344 KB Output is correct
35 Correct 55 ms 344 KB Output is correct
36 Correct 56 ms 344 KB Output is correct
37 Correct 77 ms 416 KB Output is correct
38 Correct 61 ms 344 KB Output is correct
39 Correct 45 ms 416 KB Output is correct
40 Correct 54 ms 344 KB Output is correct
41 Correct 48 ms 344 KB Output is correct

Subtask #3
13.24 / 75.0

# 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 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Partially correct 1 ms 344 KB Output is partially correct
7 Partially correct 137 ms 868 KB Output is partially correct
8 Partially correct 99 ms 664 KB Output is partially correct
9 Partially correct 145 ms 664 KB Output is partially correct
10 Partially correct 163 ms 800 KB Output is partially correct
11 Partially correct 204 ms 344 KB Output is partially correct
12 Partially correct 153 ms 416 KB Output is partially correct
13 Partially correct 192 ms 432 KB Output is partially correct
14 Partially correct 159 ms 416 KB Output is partially correct
15 Partially correct 122 ms 660 KB Output is partially correct
16 Partially correct 133 ms 664 KB Output is partially correct
17 Partially correct 145 ms 664 KB Output is partially correct
18 Partially correct 107 ms 440 KB Output is partially correct
19 Partially correct 108 ms 428 KB Output is partially correct
20 Partially correct 106 ms 668 KB Output is partially correct
21 Partially correct 141 ms 440 KB Output is partially correct
22 Partially correct 158 ms 660 KB Output is partially correct
23 Partially correct 121 ms 420 KB Output is partially correct
24 Partially correct 109 ms 668 KB Output is partially correct
25 Partially correct 144 ms 660 KB Output is partially correct
26 Partially correct 122 ms 892 KB Output is partially correct
27 Partially correct 118 ms 676 KB Output is partially correct
28 Partially correct 104 ms 664 KB Output is partially correct
29 Partially correct 142 ms 904 KB Output is partially correct
30 Partially correct 109 ms 440 KB Output is partially correct
31 Partially correct 150 ms 416 KB Output is partially correct
32 Partially correct 151 ms 436 KB Output is partially correct
33 Partially correct 138 ms 660 KB Output is partially correct
34 Partially correct 154 ms 660 KB Output is partially correct
35 Partially correct 112 ms 440 KB Output is partially correct
36 Partially correct 134 ms 900 KB Output is partially correct
37 Partially correct 116 ms 436 KB Output is partially correct
38 Partially correct 159 ms 664 KB Output is partially correct
39 Partially correct 128 ms 664 KB Output is partially correct
40 Partially correct 129 ms 884 KB Output is partially correct
41 Partially correct 131 ms 624 KB Output is partially correct
42 Partially correct 137 ms 1068 KB Output is partially correct
43 Partially correct 43 ms 344 KB Output is partially correct
44 Partially correct 185 ms 592 KB Output is partially correct
45 Partially correct 123 ms 884 KB Output is partially correct
46 Partially correct 178 ms 912 KB Output is partially correct
47 Partially correct 156 ms 428 KB Output is partially correct
48 Partially correct 167 ms 660 KB Output is partially correct