Submission #1077735

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1077735	2024-08-27T08:48:11 Z	pcc	Rarest Insects (IOI22_insects)	C++17	54.05 / 100	138 ms	1284 KB

insects

#include "insects.h"
#include <bits/stdc++.h>
using namespace std;

const int mxn = 2022;
vector<int> v[mxn];
set<int> st;
int N;
int cnt = 0;

void del(int k){
	assert(st.find(k) != st.end());
	st.erase(k);
	move_outside(k);
	return;
}

void add(int k){
	assert(st.find(k) == st.end());
	st.insert(k);
	move_inside(k);
	return;
}

int ask(){
	int re = press_button();
	return re;
}

bool check(int lim){
	for(int i = lim+1;i<=N;i++){
		while(!v[i].empty()){
			auto now = v[i].back();
			v[i].pop_back();
			del(now);
		}
	}
	for(int i = 0;i<N;i++){
		if(st.find(i) == st.end()){
			add(i);
			int re = ask();
			if(re>lim)del(i);
			else v[re].push_back(i);
		}
	}
	return lim*cnt == st.size();
}

int min_cardinality(int NN) {
	N = NN;
	check(1);
	cnt = st.size();
	int l = 1,r = N/cnt;
	while(l != r){
		int mid = (l+r+1)>>1;
		if(check(mid))l = mid;
		else r = mid-1;
	}
	return l;
}

Compilation message

insects.cpp: In function 'bool check(int)':
insects.cpp:46:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |  return lim*cnt == st.size();
      |         ~~~~~~~~^~~~~~~~~~~~

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	384 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	3 ms	344 KB	Output is correct
7	Correct	2 ms	344 KB	Output is correct
8	Correct	3 ms	488 KB	Output is correct
9	Correct	3 ms	344 KB	Output is correct
10	Correct	6 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	5 ms	600 KB	Output is correct
13	Correct	4 ms	344 KB	Output is correct
14	Correct	3 ms	600 KB	Output is correct
15	Correct	5 ms	488 KB	Output is correct
16	Correct	6 ms	344 KB	Output is correct
17	Correct	3 ms	344 KB	Output is correct
18	Correct	4 ms	344 KB	Output is correct
19	Correct	3 ms	600 KB	Output is correct
20	Correct	2 ms	344 KB	Output is correct
21	Correct	2 ms	344 KB	Output is correct
22	Correct	2 ms	344 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	384 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	3 ms	344 KB	Output is correct
7	Correct	2 ms	344 KB	Output is correct
8	Correct	3 ms	488 KB	Output is correct
9	Correct	3 ms	344 KB	Output is correct
10	Correct	6 ms	344 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	5 ms	600 KB	Output is correct
13	Correct	4 ms	344 KB	Output is correct
14	Correct	3 ms	600 KB	Output is correct
15	Correct	5 ms	488 KB	Output is correct
16	Correct	6 ms	344 KB	Output is correct
17	Correct	3 ms	344 KB	Output is correct
18	Correct	4 ms	344 KB	Output is correct
19	Correct	3 ms	600 KB	Output is correct
20	Correct	2 ms	344 KB	Output is correct
21	Correct	2 ms	344 KB	Output is correct
22	Correct	2 ms	344 KB	Output is correct
23	Correct	14 ms	524 KB	Output is correct
24	Correct	3 ms	344 KB	Output is correct
25	Correct	14 ms	344 KB	Output is correct
26	Correct	31 ms	480 KB	Output is correct
27	Correct	43 ms	496 KB	Output is correct
28	Correct	5 ms	344 KB	Output is correct
29	Correct	47 ms	344 KB	Output is correct
30	Correct	40 ms	344 KB	Output is correct
31	Correct	17 ms	344 KB	Output is correct
32	Correct	12 ms	484 KB	Output is correct
33	Correct	14 ms	344 KB	Output is correct
34	Correct	15 ms	484 KB	Output is correct
35	Correct	20 ms	712 KB	Output is correct
36	Correct	18 ms	344 KB	Output is correct
37	Correct	16 ms	484 KB	Output is correct
38	Correct	26 ms	488 KB	Output is correct
39	Correct	8 ms	344 KB	Output is correct
40	Correct	7 ms	344 KB	Output is correct
41	Correct	4 ms	508 KB	Output is correct

Subtask #3
29.05 / 75.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 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	38 ms	848 KB	Output is correct
8	Correct	13 ms	884 KB	Output is correct
9	Correct	37 ms	552 KB	Output is correct
10	Partially correct	34 ms	592 KB	Output is partially correct
11	Partially correct	138 ms	728 KB	Output is partially correct
12	Correct	14 ms	344 KB	Output is correct
13	Partially correct	123 ms	600 KB	Output is partially correct
14	Partially correct	64 ms	340 KB	Output is partially correct
15	Partially correct	37 ms	764 KB	Output is partially correct
16	Partially correct	41 ms	780 KB	Output is partially correct
17	Partially correct	44 ms	648 KB	Output is partially correct
18	Partially correct	42 ms	344 KB	Output is partially correct
19	Partially correct	39 ms	732 KB	Output is partially correct
20	Partially correct	35 ms	592 KB	Output is partially correct
21	Partially correct	54 ms	608 KB	Output is partially correct
22	Partially correct	57 ms	476 KB	Output is partially correct
23	Partially correct	37 ms	344 KB	Output is partially correct
24	Correct	22 ms	628 KB	Output is correct
25	Correct	18 ms	600 KB	Output is correct
26	Correct	9 ms	600 KB	Output is correct
27	Correct	32 ms	744 KB	Output is correct
28	Correct	29 ms	524 KB	Output is correct
29	Partially correct	44 ms	768 KB	Output is partially correct
30	Partially correct	45 ms	1012 KB	Output is partially correct
31	Partially correct	56 ms	464 KB	Output is partially correct
32	Partially correct	49 ms	480 KB	Output is partially correct
33	Partially correct	50 ms	1104 KB	Output is partially correct
34	Partially correct	64 ms	344 KB	Output is partially correct
35	Partially correct	26 ms	344 KB	Output is partially correct
36	Partially correct	41 ms	480 KB	Output is partially correct
37	Partially correct	35 ms	736 KB	Output is partially correct
38	Partially correct	44 ms	600 KB	Output is partially correct
39	Correct	55 ms	980 KB	Output is correct
40	Correct	31 ms	600 KB	Output is correct
41	Partially correct	25 ms	1284 KB	Output is partially correct
42	Partially correct	28 ms	592 KB	Output is partially correct
43	Partially correct	13 ms	344 KB	Output is partially correct
44	Partially correct	105 ms	488 KB	Output is partially correct
45	Correct	30 ms	592 KB	Output is correct
46	Correct	14 ms	480 KB	Output is correct
47	Correct	13 ms	344 KB	Output is correct
48	Correct	17 ms	344 KB	Output is correct

Submission #1077735

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 29.05 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
29.05 / 75.0