Submission #1078243

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1078243	2024-08-27T14:28:29 Z	Faisal_Saqib	Rarest Insects (IOI22_insects)	C++17	99.95 / 100	44 ms	1620 KB

insects

#include <bits/stdc++.h>
using namespace std;
void move_inside(int i);
void move_outside(int i);
int press_button();
int min_cardinality(int n)
{
	set<int> machine,rem;
	machine.insert(0);
	move_inside(0);
	for(int i=1;i<n;i++)
	{
		move_inside(i);
		if(press_button()==1)
		{
			machine.insert(i);
		}
		else
		{
			rem.insert(i);
			move_outside(i);
		}
	}
	int sz=machine.size();
	int s=1;
	int e=(n/sz)+1;
	while(s+1<e)
	{
		int mid=(s+e)/2;
		vector<int> cur;
		for(auto i:rem)
		{
			move_inside(i);
			if(press_button()>mid)
			{
				move_outside(i);
			}
			else
			{
				cur.push_back(i);
				machine.insert(i);
				if(machine.size()==(sz*mid))
					break;
			}
		}
		if(machine.size()==((sz*mid)))
		{
			s=mid;
			for(auto&i:cur)
				rem.erase(i);
		}
		else{
			e=mid;
			rem.clear();
			for(auto&i:cur)
			{
				rem.insert(i);
				machine.erase(i);
				move_outside(i);
			}
		}
	}
	return s;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:42:22: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   42 |     if(machine.size()==(sz*mid))
      |        ~~~~~~~~~~~~~~^~~~~~~~~~
insects.cpp:46:20: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   46 |   if(machine.size()==((sz*mid)))
      |      ~~~~~~~~~~~~~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	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	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	3 ms	444 KB	Output is correct
7	Correct	2 ms	344 KB	Output is correct
8	Correct	2 ms	444 KB	Output is correct
9	Correct	4 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	2 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	444 KB	Output is correct
17	Correct	2 ms	344 KB	Output is correct
18	Correct	5 ms	600 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	1 ms	600 KB	Output is correct

Subtask #2
15.0 / 15.0

#	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	1 ms	344 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	3 ms	444 KB	Output is correct
7	Correct	2 ms	344 KB	Output is correct
8	Correct	2 ms	444 KB	Output is correct
9	Correct	4 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	2 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	444 KB	Output is correct
17	Correct	2 ms	344 KB	Output is correct
18	Correct	5 ms	600 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	1 ms	600 KB	Output is correct
23	Correct	8 ms	344 KB	Output is correct
24	Correct	6 ms	600 KB	Output is correct
25	Correct	11 ms	708 KB	Output is correct
26	Correct	15 ms	664 KB	Output is correct
27	Correct	9 ms	344 KB	Output is correct
28	Correct	5 ms	620 KB	Output is correct
29	Correct	13 ms	600 KB	Output is correct
30	Correct	13 ms	344 KB	Output is correct
31	Correct	10 ms	344 KB	Output is correct
32	Correct	10 ms	344 KB	Output is correct
33	Correct	9 ms	464 KB	Output is correct
34	Correct	10 ms	344 KB	Output is correct
35	Correct	12 ms	500 KB	Output is correct
36	Correct	14 ms	600 KB	Output is correct
37	Correct	13 ms	436 KB	Output is correct
38	Correct	17 ms	1112 KB	Output is correct
39	Correct	10 ms	468 KB	Output is correct
40	Correct	5 ms	344 KB	Output is correct
41	Correct	6 ms	472 KB	Output is correct

Subtask #3
74.95 / 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	0 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	Correct	0 ms	344 KB	Output is correct
7	Correct	18 ms	344 KB	Output is correct
8	Correct	7 ms	600 KB	Output is correct
9	Correct	18 ms	748 KB	Output is correct
10	Correct	29 ms	980 KB	Output is correct
11	Correct	30 ms	600 KB	Output is correct
12	Correct	10 ms	592 KB	Output is correct
13	Correct	30 ms	600 KB	Output is correct
14	Correct	41 ms	792 KB	Output is correct
15	Correct	20 ms	744 KB	Output is correct
16	Correct	26 ms	600 KB	Output is correct
17	Correct	20 ms	344 KB	Output is correct
18	Correct	40 ms	1112 KB	Output is correct
19	Correct	31 ms	636 KB	Output is correct
20	Correct	35 ms	460 KB	Output is correct
21	Correct	40 ms	608 KB	Output is correct
22	Correct	35 ms	980 KB	Output is correct
23	Correct	24 ms	344 KB	Output is correct
24	Correct	34 ms	600 KB	Output is correct
25	Correct	16 ms	592 KB	Output is correct
26	Correct	11 ms	484 KB	Output is correct
27	Correct	43 ms	1620 KB	Output is correct
28	Correct	19 ms	856 KB	Output is correct
29	Correct	34 ms	592 KB	Output is correct
30	Correct	28 ms	600 KB	Output is correct
31	Correct	26 ms	592 KB	Output is correct
32	Correct	44 ms	444 KB	Output is correct
33	Correct	24 ms	592 KB	Output is correct
34	Correct	37 ms	736 KB	Output is correct
35	Partially correct	32 ms	496 KB	Output is partially correct
36	Correct	36 ms	668 KB	Output is correct
37	Correct	24 ms	600 KB	Output is correct
38	Correct	26 ms	344 KB	Output is correct
39	Correct	28 ms	892 KB	Output is correct
40	Correct	41 ms	600 KB	Output is correct
41	Correct	26 ms	960 KB	Output is correct
42	Partially correct	42 ms	600 KB	Output is partially correct
43	Correct	7 ms	344 KB	Output is correct
44	Correct	21 ms	600 KB	Output is correct
45	Correct	16 ms	676 KB	Output is correct
46	Correct	26 ms	344 KB	Output is correct
47	Correct	22 ms	344 KB	Output is correct
48	Correct	13 ms	460 KB	Output is correct

Submission #1078243

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 74.95 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
74.95 / 75.0