답안 #758849

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
758849	2023-06-15T11:23:57 Z	amunduzbaev	드문 곤충 (IOI22_insects)	C++17	99.89 / 100	50 ms	432 KB

insects

#include "insects.h"

#ifndef EVAL
#include "stub.cpp"
#endif

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

int min_cardinality(int n) {
	vector<int> used, rem;
	for(int i=0;i<n;i++){
		move_inside(i);
		if(press_button() > 1){
			move_outside(i);
			rem.push_back(i);
		} else {
			used.push_back(i);
		}
	}
	int cnt = used.size();
	for(auto x : used){
		move_outside(x);
	}
	
	swap(used, rem);
	
	auto check = [&](int mid){
		vector<int> in, rem;
		for(auto x : used){
			move_inside(x);
			if(press_button() > mid){
				move_outside(x);
				rem.push_back(x);
			} else {
				in.push_back(x);
			}
		}
		
		if((int)in.size() < mid * cnt){
			swap(used, in);
			for(auto x : used) move_outside(x);
			return false;
		} else {
			swap(used, rem);
			for(auto x : in) move_outside(x);
			return true;
		}
	};
	
	int l = 0, r = (n - cnt) / cnt;
	int res = 1;
	while(l < r){
		int old = used.size();
		int mid = (l + r + 1) >> 1;
		if(check(mid)){
			res += mid;
			l = 0, r -= mid;
		} else {
			r = mid - 1;
		}
		
		//~ assert((int)used.size() <= (old + 1) / 2);
	}
	
	return res;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:54:7: warning: unused variable 'old' [-Wunused-variable]
   54 |   int old = used.size();
      |       ^~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	0 ms	208 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	0 ms	208 KB	Output is correct
6	Correct	5 ms	208 KB	Output is correct
7	Correct	2 ms	300 KB	Output is correct
8	Correct	4 ms	208 KB	Output is correct
9	Correct	3 ms	296 KB	Output is correct
10	Correct	3 ms	208 KB	Output is correct
11	Correct	2 ms	208 KB	Output is correct
12	Correct	4 ms	208 KB	Output is correct
13	Correct	3 ms	296 KB	Output is correct
14	Correct	2 ms	300 KB	Output is correct
15	Correct	4 ms	208 KB	Output is correct
16	Correct	3 ms	208 KB	Output is correct
17	Correct	3 ms	300 KB	Output is correct
18	Correct	4 ms	208 KB	Output is correct
19	Correct	4 ms	208 KB	Output is correct
20	Correct	3 ms	208 KB	Output is correct
21	Correct	2 ms	208 KB	Output is correct
22	Correct	2 ms	208 KB	Output is correct

Subtask #2
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	0 ms	208 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	0 ms	208 KB	Output is correct
6	Correct	5 ms	208 KB	Output is correct
7	Correct	2 ms	300 KB	Output is correct
8	Correct	4 ms	208 KB	Output is correct
9	Correct	3 ms	296 KB	Output is correct
10	Correct	3 ms	208 KB	Output is correct
11	Correct	2 ms	208 KB	Output is correct
12	Correct	4 ms	208 KB	Output is correct
13	Correct	3 ms	296 KB	Output is correct
14	Correct	2 ms	300 KB	Output is correct
15	Correct	4 ms	208 KB	Output is correct
16	Correct	3 ms	208 KB	Output is correct
17	Correct	3 ms	300 KB	Output is correct
18	Correct	4 ms	208 KB	Output is correct
19	Correct	4 ms	208 KB	Output is correct
20	Correct	3 ms	208 KB	Output is correct
21	Correct	2 ms	208 KB	Output is correct
22	Correct	2 ms	208 KB	Output is correct
23	Correct	23 ms	304 KB	Output is correct
24	Correct	8 ms	304 KB	Output is correct
25	Correct	21 ms	208 KB	Output is correct
26	Correct	14 ms	208 KB	Output is correct
27	Correct	21 ms	300 KB	Output is correct
28	Correct	6 ms	300 KB	Output is correct
29	Correct	18 ms	308 KB	Output is correct
30	Correct	19 ms	208 KB	Output is correct
31	Correct	20 ms	336 KB	Output is correct
32	Correct	11 ms	304 KB	Output is correct
33	Correct	17 ms	312 KB	Output is correct
34	Correct	23 ms	292 KB	Output is correct
35	Correct	19 ms	208 KB	Output is correct
36	Correct	18 ms	284 KB	Output is correct
37	Correct	20 ms	208 KB	Output is correct
38	Correct	19 ms	296 KB	Output is correct
39	Correct	19 ms	208 KB	Output is correct
40	Correct	10 ms	296 KB	Output is correct
41	Correct	9 ms	288 KB	Output is correct

Subtask #3
74.89 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	208 KB	Output is correct
2	Correct	0 ms	208 KB	Output is correct
3	Correct	0 ms	208 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	0 ms	208 KB	Output is correct
6	Correct	0 ms	208 KB	Output is correct
7	Correct	47 ms	208 KB	Output is correct
8	Correct	15 ms	412 KB	Output is correct
9	Correct	38 ms	304 KB	Output is correct
10	Correct	35 ms	208 KB	Output is correct
11	Correct	32 ms	296 KB	Output is correct
12	Correct	20 ms	296 KB	Output is correct
13	Correct	38 ms	208 KB	Output is correct
14	Correct	36 ms	428 KB	Output is correct
15	Correct	33 ms	288 KB	Output is correct
16	Correct	44 ms	308 KB	Output is correct
17	Correct	43 ms	208 KB	Output is correct
18	Correct	40 ms	304 KB	Output is correct
19	Partially correct	41 ms	208 KB	Output is partially correct
20	Correct	39 ms	292 KB	Output is correct
21	Correct	32 ms	308 KB	Output is correct
22	Correct	34 ms	304 KB	Output is correct
23	Correct	18 ms	300 KB	Output is correct
24	Correct	16 ms	336 KB	Output is correct
25	Correct	21 ms	208 KB	Output is correct
26	Correct	13 ms	304 KB	Output is correct
27	Correct	39 ms	300 KB	Output is correct
28	Correct	32 ms	308 KB	Output is correct
29	Partially correct	37 ms	208 KB	Output is partially correct
30	Partially correct	31 ms	304 KB	Output is partially correct
31	Correct	37 ms	304 KB	Output is correct
32	Correct	50 ms	296 KB	Output is correct
33	Correct	38 ms	292 KB	Output is correct
34	Correct	36 ms	208 KB	Output is correct
35	Partially correct	33 ms	300 KB	Output is partially correct
36	Partially correct	38 ms	296 KB	Output is partially correct
37	Correct	43 ms	300 KB	Output is correct
38	Correct	41 ms	308 KB	Output is correct
39	Correct	28 ms	296 KB	Output is correct
40	Correct	46 ms	300 KB	Output is correct
41	Partially correct	39 ms	308 KB	Output is partially correct
42	Partially correct	33 ms	208 KB	Output is partially correct
43	Correct	10 ms	332 KB	Output is correct
44	Correct	28 ms	300 KB	Output is correct
45	Correct	32 ms	304 KB	Output is correct
46	Correct	21 ms	296 KB	Output is correct
47	Correct	23 ms	304 KB	Output is correct
48	Correct	16 ms	432 KB	Output is correct

답안 #758849

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 74.89 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
74.89 / 75.0