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Submission #986568

# Submission time Handle Problem Language Result Execution time Memory
986568 2024-05-20T18:58:38 Z Pyqe Rarest Insects (IOI22_insects) C++17
100 / 100
 34 ms 608 KB 
#include <bits/stdc++.h>
#include "insects.h"

using namespace std;

long long n,d,c=0,nn,ex[2069];
bitset<2069> ca;

inline void ins(long long x)
{
	move_inside(x-1);
	ca[x]=1;
	c++;
}

inline void ers(long long x)
{
	move_outside(x-1);
	ca[x]=0;
	c--;
}

inline long long qr()
{
	return press_button();
}

inline long long op(long long x)
{
	long long i;
	
	for(i=1;i<=nn;i++)
	{
		ins(ex[i]);
		if(qr()>x)
		{
			ers(ex[i]);
		}
	}
	return c;
}

int min_cardinality(int on)
{
	long long i,k,sz,md,z=1;
	
	n=on;
	for(i=1;i<=n;i++)
	{
		nn++;
		ex[nn]=i;
	}
	d=op(1);
	nn=0;
	for(i=1;i<=n;i++)
	{
		if(!ca[i])
		{
			nn++;
			ex[nn]=i;
		}
	}
	for(;1;)
	{
		md=min((c+(nn+1)/2-1)/d+1,(c+nn)/d);
		if(md==z)
		{
			break;
		}
		k=op(md);
		if(k==md*d)
		{
			z=md;
			sz=nn;
			nn=0;
			for(i=1;i<=sz;i++)
			{
				if(!ca[ex[i]])
				{
					nn++;
					ex[nn]=ex[i];
				}
			}
		}
		else
		{
			sz=nn;
			nn=0;
			for(i=1;i<=sz;i++)
			{
				if(ca[ex[i]])
				{
					ers(ex[i]);
					nn++;
					ex[nn]=ex[i];
				}
			}
		}
	}
	return z;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 0 ms 608 KB Output is correct
3 Correct 0 ms 356 KB Output is correct
4 Correct 0 ms 356 KB Output is correct
5 Correct 0 ms 352 KB Output is correct
6 Correct 2 ms 356 KB Output is correct
7 Correct 1 ms 356 KB Output is correct
8 Correct 2 ms 352 KB Output is correct
9 Correct 2 ms 356 KB Output is correct
10 Correct 2 ms 356 KB Output is correct
11 Correct 1 ms 356 KB Output is correct
12 Correct 3 ms 356 KB Output is correct
13 Correct 3 ms 356 KB Output is correct
14 Correct 2 ms 356 KB Output is correct
15 Correct 2 ms 352 KB Output is correct
16 Correct 3 ms 356 KB Output is correct
17 Correct 2 ms 356 KB Output is correct
18 Correct 2 ms 356 KB Output is correct
19 Correct 3 ms 356 KB Output is correct
20 Correct 2 ms 356 KB Output is correct
21 Correct 2 ms 356 KB Output is correct
22 Correct 2 ms 352 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 0 ms 608 KB Output is correct
3 Correct 0 ms 356 KB Output is correct
4 Correct 0 ms 356 KB Output is correct
5 Correct 0 ms 352 KB Output is correct
6 Correct 2 ms 356 KB Output is correct
7 Correct 1 ms 356 KB Output is correct
8 Correct 2 ms 352 KB Output is correct
9 Correct 2 ms 356 KB Output is correct
10 Correct 2 ms 356 KB Output is correct
11 Correct 1 ms 356 KB Output is correct
12 Correct 3 ms 356 KB Output is correct
13 Correct 3 ms 356 KB Output is correct
14 Correct 2 ms 356 KB Output is correct
15 Correct 2 ms 352 KB Output is correct
16 Correct 3 ms 356 KB Output is correct
17 Correct 2 ms 356 KB Output is correct
18 Correct 2 ms 356 KB Output is correct
19 Correct 3 ms 356 KB Output is correct
20 Correct 2 ms 356 KB Output is correct
21 Correct 2 ms 356 KB Output is correct
22 Correct 2 ms 352 KB Output is correct
23 Correct 18 ms 356 KB Output is correct
24 Correct 4 ms 356 KB Output is correct
25 Correct 12 ms 344 KB Output is correct
26 Correct 11 ms 352 KB Output is correct
27 Correct 15 ms 344 KB Output is correct
28 Correct 6 ms 344 KB Output is correct
29 Correct 14 ms 344 KB Output is correct
30 Correct 12 ms 344 KB Output is correct
31 Correct 16 ms 344 KB Output is correct
32 Correct 13 ms 344 KB Output is correct
33 Correct 18 ms 344 KB Output is correct
34 Correct 14 ms 344 KB Output is correct
35 Correct 16 ms 344 KB Output is correct
36 Correct 13 ms 344 KB Output is correct
37 Correct 12 ms 344 KB Output is correct
38 Correct 12 ms 352 KB Output is correct
39 Correct 15 ms 344 KB Output is correct
40 Correct 8 ms 352 KB Output is correct
41 Correct 5 ms 344 KB Output is correct

Subtask #3
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 596 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 30 ms 348 KB Output is correct
8 Correct 10 ms 604 KB Output is correct
9 Correct 30 ms 344 KB Output is correct
10 Correct 29 ms 436 KB Output is correct
11 Correct 22 ms 352 KB Output is correct
12 Correct 17 ms 348 KB Output is correct
13 Correct 25 ms 428 KB Output is correct
14 Correct 30 ms 436 KB Output is correct
15 Correct 27 ms 356 KB Output is correct
16 Correct 26 ms 348 KB Output is correct
17 Correct 28 ms 356 KB Output is correct
18 Correct 31 ms 356 KB Output is correct
19 Correct 27 ms 356 KB Output is correct
20 Correct 30 ms 352 KB Output is correct
21 Correct 30 ms 428 KB Output is correct
22 Correct 28 ms 432 KB Output is correct
23 Correct 26 ms 432 KB Output is correct
24 Correct 23 ms 424 KB Output is correct
25 Correct 14 ms 428 KB Output is correct
26 Correct 10 ms 380 KB Output is correct
27 Correct 28 ms 344 KB Output is correct
28 Correct 27 ms 344 KB Output is correct
29 Correct 28 ms 344 KB Output is correct
30 Correct 27 ms 344 KB Output is correct
31 Correct 27 ms 440 KB Output is correct
32 Correct 27 ms 424 KB Output is correct
33 Correct 26 ms 424 KB Output is correct
34 Correct 27 ms 428 KB Output is correct
35 Correct 28 ms 344 KB Output is correct
36 Correct 27 ms 344 KB Output is correct
37 Correct 26 ms 432 KB Output is correct
38 Correct 25 ms 432 KB Output is correct
39 Correct 30 ms 344 KB Output is correct
40 Correct 32 ms 344 KB Output is correct
41 Correct 26 ms 344 KB Output is correct
42 Correct 29 ms 344 KB Output is correct
43 Correct 5 ms 344 KB Output is correct
44 Correct 22 ms 344 KB Output is correct
45 Correct 34 ms 344 KB Output is correct
46 Correct 14 ms 340 KB Output is correct
47 Correct 13 ms 344 KB Output is correct
48 Correct 14 ms 344 KB Output is correct