oj.uz

Submission #1078159

# Submission time Handle Problem Language Result Execution time Memory
1078159 2024-08-27T13:26:24 Z Muhammad_Aneeq Rarest Insects (IOI22_insects) C++17
25 / 100
 2000 ms 153700 KB 
void move_inside(int i);
void move_outside(int i);
int press_button();
#include <iostream>
#include <vector>
#include <map>
#include <set>
using namespace std;
map<set<int>,int>d;
set<int>ind;
int ask()
{
	if (d.find(ind)!=d.end())
		return d[ind];
	d[ind]=press_button();
	return d[ind];
}
int min_cardinality(int N)
{
	int colors=0;
	for (int i=0;i<N;i++)
	{
		move_inside(i);
		ind.insert(i);
		if (ask()==2)
		{
			move_outside(i);
			ind.erase(i);
		}
		else
			colors++;
	}
	set<int>ni;
	for (int i=0;i<N;i++)
		if (ind.find(i)==ind.end())
			ni.insert(i);
	if (colors==1)
		return N;
	int st=1,en=N/colors+1;
	while (st+1<en)
	{
		int mid=(st+en)/2;
		for (auto i:ni)
		{
			if (ind.size()==colors*mid)
				break;
			move_inside(i);
			ind.insert(i);
			if (ask()>mid)
			{
				move_outside(i);
				ind.erase(i);
			}
		}
		if (ind.size()==mid*colors)
		{
			for (auto i:ind)
				ni.erase(i);
			st=mid;
		}
		else
		{
			en=mid;
			for (auto i:ind)
			{
				ni.insert(i);
				move_outside(i);
			}
			ind.clear();
		}
	}
	return st;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:45:18: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   45 |    if (ind.size()==colors*mid)
      |        ~~~~~~~~~~^~~~~~~~~~~~
insects.cpp:55:17: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   55 |   if (ind.size()==mid*colors)
      |       ~~~~~~~~~~^~~~~~~~~~~~

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 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 6 ms 1368 KB Output is correct
8 Correct 16 ms 1880 KB Output is correct
9 Correct 13 ms 2068 KB Output is correct
10 Correct 12 ms 1368 KB Output is correct
11 Correct 4 ms 856 KB Output is correct
12 Correct 14 ms 1820 KB Output is correct
13 Correct 12 ms 2028 KB Output is correct
14 Correct 18 ms 2648 KB Output is correct
15 Correct 17 ms 2648 KB Output is correct
16 Correct 15 ms 2812 KB Output is correct
17 Correct 19 ms 2904 KB Output is correct
18 Correct 14 ms 2136 KB Output is correct
19 Correct 20 ms 2392 KB Output is correct
20 Correct 11 ms 2056 KB Output is correct
21 Correct 10 ms 1884 KB Output is correct
22 Correct 6 ms 1112 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 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 6 ms 1368 KB Output is correct
8 Correct 16 ms 1880 KB Output is correct
9 Correct 13 ms 2068 KB Output is correct
10 Correct 12 ms 1368 KB Output is correct
11 Correct 4 ms 856 KB Output is correct
12 Correct 14 ms 1820 KB Output is correct
13 Correct 12 ms 2028 KB Output is correct
14 Correct 18 ms 2648 KB Output is correct
15 Correct 17 ms 2648 KB Output is correct
16 Correct 15 ms 2812 KB Output is correct
17 Correct 19 ms 2904 KB Output is correct
18 Correct 14 ms 2136 KB Output is correct
19 Correct 20 ms 2392 KB Output is correct
20 Correct 11 ms 2056 KB Output is correct
21 Correct 10 ms 1884 KB Output is correct
22 Correct 6 ms 1112 KB Output is correct
23 Correct 7 ms 600 KB Output is correct
24 Correct 244 ms 24036 KB Output is correct
25 Correct 362 ms 36744 KB Output is correct
26 Correct 868 ms 83756 KB Output is correct
27 Correct 256 ms 23320 KB Output is correct
28 Correct 104 ms 12112 KB Output is correct
29 Correct 384 ms 34932 KB Output is correct
30 Correct 448 ms 44236 KB Output is correct
31 Correct 622 ms 53628 KB Output is correct
32 Correct 995 ms 70228 KB Output is correct
33 Correct 1012 ms 83188 KB Output is correct
34 Correct 719 ms 63444 KB Output is correct
35 Correct 622 ms 57620 KB Output is correct
36 Correct 646 ms 60508 KB Output is correct
37 Correct 606 ms 59984 KB Output is correct
38 Correct 412 ms 43808 KB Output is correct
39 Correct 323 ms 38232 KB Output is correct
40 Correct 281 ms 29948 KB Output is correct
41 Correct 172 ms 17476 KB Output is correct

Subtask #3
0 / 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 0 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 11 ms 1016 KB Output is correct
8 Correct 1608 ms 94552 KB Output is correct
9 Execution timed out 2518 ms 153700 KB Time limit exceeded
10 Halted 0 ms 0 KB -