답안 #1057811

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1057811	2024-08-14T06:21:43 Z	fuad27	드문 곤충 (IOI22_insects)	C++17	93.68 / 100	40 ms	1584 KB

insects

#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
int min_cardinality(int N) {
	int distcnt = 0;
	set<int> idxs;
	mt19937 rng(time(0));
	vector<int> alll(N);
	iota(alll.begin(), alll.end() ,0);
	shuffle(alll.begin(), alll.end(), rng);
	for(int i:alll) {
		move_inside(i);
		if(press_button() <= 1){
			idxs.insert(i);
			distcnt++;
			continue;
		}
		move_outside(i);
	}
	set<int> all_idxs[N+1];
	all_idxs[1] = idxs;
	int ans=1;
	int prev = 1;
	int lo = 2, hi = N/distcnt;
	while(lo <= hi) {
		int mid = (lo+hi)/2;
		if(prev < mid) {
			for(int j:alll) {
				if(idxs.find(j)!=idxs.end())continue;
				move_inside(j);
				if(press_button() <= mid) {
					idxs.insert(j);
					continue;
				}
				move_outside(j);
			}
		}
		else {
			int cur = 1;
			for(int j = 1;j<mid;j++) {
				if(all_idxs[j].size() > all_idxs[cur].size()) {
					cur=j;
				}
			}
			vector<int> er;
			for(int j:idxs) {
				if(all_idxs[cur].find(j)==all_idxs[cur].end()) {
					er.push_back(j);
				}
			}
			int curn=0;
			for(int j = mid+1;j<N;j++) {
				if(all_idxs[j].size()) {
					cur=j;
					break;
				}
			}
			for(int j:er){
				move_outside(j);
				idxs.erase(j);
			}
			for(int j:alll) {
				if(idxs.find(j)!=idxs.end())continue;
				if(all_idxs[cur].find(j)==all_idxs[cur].end())continue;
				move_inside(j);
				if(press_button() <= mid) {
					idxs.insert(j);
					continue;
				}
				move_outside(j);
			}
		}
		if(idxs.size() == distcnt*mid) {
			lo = mid+1;
			ans=mid;
		}
		else {
			hi=mid-1;
		}
		all_idxs[mid] = idxs;
		prev=mid;
	}
	return ans;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:51:8: warning: unused variable 'curn' [-Wunused-variable]
   51 |    int curn=0;
      |        ^~~~
insects.cpp:73:18: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   73 |   if(idxs.size() == distcnt*mid) {
      |      ~~~~~~~~~~~~^~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 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	0 ms	344 KB	Output is correct
6	Correct	3 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	2 ms	436 KB	Output is correct
9	Correct	5 ms	344 KB	Output is correct
10	Correct	2 ms	344 KB	Output is correct
11	Correct	1 ms	596 KB	Output is correct
12	Correct	3 ms	344 KB	Output is correct
13	Correct	3 ms	600 KB	Output is correct
14	Correct	2 ms	440 KB	Output is correct
15	Correct	3 ms	344 KB	Output is correct
16	Correct	4 ms	344 KB	Output is correct
17	Correct	2 ms	464 KB	Output is correct
18	Correct	3 ms	600 KB	Output is correct
19	Correct	2 ms	600 KB	Output is correct
20	Correct	3 ms	344 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct

Subtask #2
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 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	0 ms	344 KB	Output is correct
6	Correct	3 ms	344 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	2 ms	436 KB	Output is correct
9	Correct	5 ms	344 KB	Output is correct
10	Correct	2 ms	344 KB	Output is correct
11	Correct	1 ms	596 KB	Output is correct
12	Correct	3 ms	344 KB	Output is correct
13	Correct	3 ms	600 KB	Output is correct
14	Correct	2 ms	440 KB	Output is correct
15	Correct	3 ms	344 KB	Output is correct
16	Correct	4 ms	344 KB	Output is correct
17	Correct	2 ms	464 KB	Output is correct
18	Correct	3 ms	600 KB	Output is correct
19	Correct	2 ms	600 KB	Output is correct
20	Correct	3 ms	344 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	14 ms	796 KB	Output is correct
24	Correct	4 ms	344 KB	Output is correct
25	Correct	12 ms	772 KB	Output is correct
26	Correct	12 ms	764 KB	Output is correct
27	Correct	14 ms	696 KB	Output is correct
28	Correct	3 ms	344 KB	Output is correct
29	Correct	15 ms	444 KB	Output is correct
30	Correct	17 ms	512 KB	Output is correct
31	Correct	8 ms	804 KB	Output is correct
32	Correct	9 ms	600 KB	Output is correct
33	Correct	23 ms	896 KB	Output is correct
34	Correct	19 ms	1368 KB	Output is correct
35	Correct	17 ms	848 KB	Output is correct
36	Correct	11 ms	652 KB	Output is correct
37	Correct	11 ms	600 KB	Output is correct
38	Correct	9 ms	344 KB	Output is correct
39	Correct	6 ms	344 KB	Output is correct
40	Correct	9 ms	344 KB	Output is correct
41	Correct	4 ms	344 KB	Output is correct

Subtask #3
68.68 / 75.0

#	결과	실행 시간	메모리	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	22 ms	1584 KB	Output is correct
8	Correct	9 ms	600 KB	Output is correct
9	Correct	29 ms	1288 KB	Output is correct
10	Correct	30 ms	844 KB	Output is correct
11	Correct	27 ms	448 KB	Output is correct
12	Correct	9 ms	848 KB	Output is correct
13	Partially correct	38 ms	592 KB	Output is partially correct
14	Correct	16 ms	592 KB	Output is correct
15	Partially correct	19 ms	1108 KB	Output is partially correct
16	Partially correct	40 ms	1192 KB	Output is partially correct
17	Partially correct	29 ms	1292 KB	Output is partially correct
18	Partially correct	39 ms	1192 KB	Output is partially correct
19	Partially correct	37 ms	1104 KB	Output is partially correct
20	Partially correct	29 ms	1064 KB	Output is partially correct
21	Partially correct	32 ms	704 KB	Output is partially correct
22	Partially correct	39 ms	636 KB	Output is partially correct
23	Correct	26 ms	600 KB	Output is correct
24	Correct	14 ms	604 KB	Output is correct
25	Correct	11 ms	592 KB	Output is correct
26	Correct	6 ms	476 KB	Output is correct
27	Correct	21 ms	836 KB	Output is correct
28	Correct	30 ms	1104 KB	Output is correct
29	Partially correct	23 ms	1104 KB	Output is partially correct
30	Partially correct	31 ms	944 KB	Output is partially correct
31	Correct	27 ms	596 KB	Output is correct
32	Correct	29 ms	844 KB	Output is correct
33	Correct	19 ms	596 KB	Output is correct
34	Correct	24 ms	952 KB	Output is correct
35	Partially correct	25 ms	852 KB	Output is partially correct
36	Partially correct	32 ms	1128 KB	Output is partially correct
37	Correct	23 ms	804 KB	Output is correct
38	Correct	28 ms	848 KB	Output is correct
39	Correct	21 ms	828 KB	Output is correct
40	Correct	24 ms	848 KB	Output is correct
41	Partially correct	22 ms	1056 KB	Output is partially correct
42	Partially correct	26 ms	952 KB	Output is partially correct
43	Correct	4 ms	344 KB	Output is correct
44	Correct	17 ms	788 KB	Output is correct
45	Correct	24 ms	1204 KB	Output is correct
46	Correct	9 ms	724 KB	Output is correct
47	Correct	11 ms	468 KB	Output is correct
48	Correct	9 ms	736 KB	Output is correct

답안 #1057811

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 68.68 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
68.68 / 75.0