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Submission #1078241

# Submission time Handle Problem Language Result Execution time Memory
1078241 2024-08-27T14:27:28 Z Faisal_Saqib Rarest Insects (IOI22_insects) C++17
53.16 / 100
 134 ms 988 KB 
#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;
			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 0 ms 596 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 1 ms 344 KB Output is correct
8 Correct 1 ms 444 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 11 ms 344 KB Output is correct
11 Correct 2 ms 600 KB Output is correct
12 Correct 8 ms 440 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 3 ms 600 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 4 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 596 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 1 ms 344 KB Output is correct
8 Correct 1 ms 444 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 11 ms 344 KB Output is correct
11 Correct 2 ms 600 KB Output is correct
12 Correct 8 ms 440 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 3 ms 600 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 6 ms 344 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 4 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 17 ms 708 KB Output is correct
24 Correct 5 ms 600 KB Output is correct
25 Correct 7 ms 344 KB Output is correct
26 Correct 31 ms 344 KB Output is correct
27 Correct 45 ms 600 KB Output is correct
28 Correct 9 ms 600 KB Output is correct
29 Correct 52 ms 452 KB Output is correct
30 Correct 55 ms 344 KB Output is correct
31 Correct 18 ms 600 KB Output is correct
32 Correct 15 ms 728 KB Output is correct
33 Correct 26 ms 600 KB Output is correct
34 Correct 17 ms 460 KB Output is correct
35 Correct 9 ms 476 KB Output is correct
36 Correct 14 ms 344 KB Output is correct
37 Correct 21 ms 464 KB Output is correct
38 Correct 17 ms 600 KB Output is correct
39 Correct 16 ms 600 KB Output is correct
40 Correct 10 ms 716 KB Output is correct
41 Correct 8 ms 464 KB Output is correct

Subtask #3
28.16 / 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 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 30 ms 980 KB Output is correct
8 Correct 17 ms 344 KB Output is correct
9 Correct 26 ms 756 KB Output is correct
10 Partially correct 44 ms 756 KB Output is partially correct
11 Partially correct 101 ms 736 KB Output is partially correct
12 Correct 13 ms 344 KB Output is correct
13 Partially correct 134 ms 768 KB Output is partially correct
14 Partially correct 80 ms 552 KB Output is partially correct
15 Correct 37 ms 792 KB Output is correct
16 Correct 36 ms 796 KB Output is correct
17 Correct 32 ms 708 KB Output is correct
18 Correct 30 ms 692 KB Output is correct
19 Correct 43 ms 520 KB Output is correct
20 Partially correct 23 ms 772 KB Output is partially correct
21 Partially correct 34 ms 860 KB Output is partially correct
22 Partially correct 39 ms 752 KB Output is partially correct
23 Partially correct 46 ms 508 KB Output is partially correct
24 Correct 27 ms 700 KB Output is correct
25 Correct 14 ms 736 KB Output is correct
26 Correct 10 ms 456 KB Output is correct
27 Correct 35 ms 600 KB Output is correct
28 Correct 20 ms 756 KB Output is correct
29 Correct 41 ms 756 KB Output is correct
30 Correct 44 ms 456 KB Output is correct
31 Partially correct 57 ms 504 KB Output is partially correct
32 Partially correct 38 ms 560 KB Output is partially correct
33 Partially correct 44 ms 592 KB Output is partially correct
34 Partially correct 47 ms 736 KB Output is partially correct
35 Partially correct 31 ms 496 KB Output is partially correct
36 Correct 32 ms 988 KB Output is correct
37 Partially correct 35 ms 736 KB Output is partially correct
38 Partially correct 47 ms 552 KB Output is partially correct
39 Correct 31 ms 716 KB Output is correct
40 Correct 24 ms 600 KB Output is correct
41 Correct 26 ms 468 KB Output is correct
42 Partially correct 35 ms 532 KB Output is partially correct
43 Partially correct 11 ms 344 KB Output is partially correct
44 Partially correct 101 ms 712 KB Output is partially correct
45 Correct 22 ms 764 KB Output is correct
46 Correct 17 ms 756 KB Output is correct
47 Correct 18 ms 520 KB Output is correct
48 Correct 13 ms 456 KB Output is correct