Submission #857901

# Submission time Handle Problem Language Result Execution time Memory
857901 2023-10-07T07:05:25 Z firewater Rarest Insects (IOI22_insects) C++17
80.06 / 100
71 ms 1192 KB
#include "insects.h"
#include<bits/stdc++.h>
#define MX 2023
using namespace std;
int n,m,l,r,num,p[MX],pp[MX];
vector<int>d;
int check(int x)
{
	for(int i=0;i<n;++i){
		if(p[i]||pp[i])continue;
		move_inside(i);
		if(press_button()>x)move_outside(i);
		else{
			p[i]=1;
			d.push_back(i);
			num++;
		}
	}
	return num;
}
mt19937 rdd(19260817); 
int rd(int l,int r)
{
	return rdd()%(r-l+1)+l;
}
int min_cardinality(int N) {
	n=N;
	for(int i=0;i<n;++i){
		move_inside(i);
		if(press_button()>1)move_outside(i);
		else p[i]=1,num++;
	}
	m=num;
	l=1;
	r=n/m;
	while(l<r){
		int mid=rd(l+1,r);
		d.clear();
		if(check(mid)==mid*m)l=mid;
		else{
			r=mid-1;
			for(int i=0;i<n;++i)
				if(!p[i])pp[i]=1;
			for(int i=0;i<d.size();++i){
				p[d[i]]=0;
				move_outside(d[i]);
				num--;
			}
		}
	}
	return l;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:44:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |    for(int i=0;i<d.size();++i){
      |                ~^~~~~~~~~
# 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 3 ms 340 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 620 KB Output is correct
9 Correct 4 ms 452 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 4 ms 600 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 3 ms 448 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
# 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 3 ms 340 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 620 KB Output is correct
9 Correct 4 ms 452 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 4 ms 600 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 3 ms 344 KB Output is correct
16 Correct 4 ms 344 KB Output is correct
17 Correct 3 ms 448 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 4 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 10 ms 600 KB Output is correct
24 Correct 5 ms 600 KB Output is correct
25 Correct 9 ms 444 KB Output is correct
26 Correct 16 ms 688 KB Output is correct
27 Correct 12 ms 448 KB Output is correct
28 Correct 4 ms 600 KB Output is correct
29 Correct 10 ms 452 KB Output is correct
30 Correct 19 ms 848 KB Output is correct
31 Correct 23 ms 696 KB Output is correct
32 Correct 26 ms 452 KB Output is correct
33 Correct 18 ms 600 KB Output is correct
34 Correct 11 ms 712 KB Output is correct
35 Correct 12 ms 700 KB Output is correct
36 Correct 21 ms 848 KB Output is correct
37 Correct 25 ms 600 KB Output is correct
38 Correct 9 ms 852 KB Output is correct
39 Correct 13 ms 600 KB Output is correct
40 Correct 8 ms 612 KB Output is correct
41 Correct 4 ms 604 KB Output is correct
# 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 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 Partially correct 38 ms 596 KB Output is partially correct
8 Correct 8 ms 344 KB Output is correct
9 Correct 20 ms 688 KB Output is correct
10 Partially correct 40 ms 612 KB Output is partially correct
11 Partially correct 26 ms 688 KB Output is partially correct
12 Correct 17 ms 600 KB Output is correct
13 Partially correct 35 ms 936 KB Output is partially correct
14 Partially correct 48 ms 692 KB Output is partially correct
15 Partially correct 71 ms 936 KB Output is partially correct
16 Partially correct 36 ms 600 KB Output is partially correct
17 Partially correct 44 ms 680 KB Output is partially correct
18 Partially correct 35 ms 848 KB Output is partially correct
19 Partially correct 58 ms 1192 KB Output is partially correct
20 Partially correct 33 ms 444 KB Output is partially correct
21 Partially correct 53 ms 856 KB Output is partially correct
22 Correct 32 ms 708 KB Output is correct
23 Correct 29 ms 680 KB Output is correct
24 Correct 29 ms 856 KB Output is correct
25 Correct 14 ms 1104 KB Output is correct
26 Correct 12 ms 600 KB Output is correct
27 Correct 20 ms 600 KB Output is correct
28 Correct 16 ms 600 KB Output is correct
29 Correct 27 ms 440 KB Output is correct
30 Correct 26 ms 700 KB Output is correct
31 Partially correct 45 ms 932 KB Output is partially correct
32 Partially correct 59 ms 1188 KB Output is partially correct
33 Correct 23 ms 676 KB Output is correct
34 Correct 20 ms 856 KB Output is correct
35 Partially correct 34 ms 688 KB Output is partially correct
36 Partially correct 36 ms 700 KB Output is partially correct
37 Partially correct 47 ms 464 KB Output is partially correct
38 Partially correct 42 ms 448 KB Output is partially correct
39 Correct 18 ms 848 KB Output is correct
40 Correct 21 ms 420 KB Output is correct
41 Partially correct 32 ms 684 KB Output is partially correct
42 Partially correct 33 ms 452 KB Output is partially correct
43 Partially correct 7 ms 856 KB Output is partially correct
44 Correct 21 ms 680 KB Output is correct
45 Correct 23 ms 948 KB Output is correct
46 Correct 13 ms 600 KB Output is correct
47 Correct 15 ms 692 KB Output is correct
48 Correct 17 ms 600 KB Output is correct