답안 #1029098

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1029098 2024-07-20T12:24:34 Z 42kangaroo 드문 곤충 (IOI22_insects) C++17
99.87 / 100
42 ms 1388 KB
#include "insects.h"
#include "bits/stdc++.h"

using namespace std;

int min_cardinality(int N) {
	int nums = 0;
	set<int> inside, outside, aIn;
	vector<int> o(N);
	std::iota(o.begin(), o.end(),0);
	random_device dev;
	std::shuffle(o.begin(), o.end(), dev);
	for (int i = 0; i < N; ++i) {
		nums++;
		move_inside(o[i]);
		if (press_button() > 1) {
			if (i == N - 1) {
				aIn.insert(o[i]);
			} else {
				outside.insert(o[i]);
				move_outside(o[i]);
			}
		} else {
			if (i == N - 1) return 1;
			inside.insert(o[i]);
		}
	}
	int k = inside.size();
	int l = 1, r = N / k + 1;
	while (l + 1 < r) {
		int m = (l + r + 1) / 2;
		set<int> nIn, nOut;
		for (auto e: outside) {
			if ((inside.size() + nIn.size() + aIn.size()) == m * k) {
				nOut.insert(e);
			} else {
				nums++;
				move_inside(e);
				if (press_button() > m) {
					nOut.insert(e);
					move_outside(e);
				} else nIn.insert(e);
			}
		}
		if ((inside.size() + nIn.size() + aIn.size()) == m * k) {
			l = m;
			outside = nOut;
			inside.insert(nIn.begin(), nIn.end());
			inside.insert(aIn.begin(), aIn.end());
			aIn.clear();
		} else {
			r = min(m, (int)(inside.size() + nIn.size() + aIn.size())/k + 1);
			int nM = (l + r + 1) / 2 - l;
			nIn.insert(aIn.begin(), aIn.end());
			aIn.clear();
			for (int i = 0; i < nM && !nIn.empty(); ++i) {
				aIn.insert(*nIn.begin());
				nIn.erase(nIn.begin());
			}
			for (auto e: nIn) {
				move_outside(e);
			}
			outside = nIn;
		}
	}
	//if ((double)nums/(double)N > 3) return 0;
	return l;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:34:50: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   34 |    if ((inside.size() + nIn.size() + aIn.size()) == m * k) {
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
insects.cpp:45:49: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   45 |   if ((inside.size() + nIn.size() + aIn.size()) == m * k) {
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
# 결과 실행 시간 메모리 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 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 ms 448 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 4 ms 692 KB Output is correct
13 Correct 4 ms 700 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 5 ms 352 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
# 결과 실행 시간 메모리 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 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 2 ms 448 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 4 ms 692 KB Output is correct
13 Correct 4 ms 700 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 5 ms 352 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 7 ms 344 KB Output is correct
24 Correct 9 ms 344 KB Output is correct
25 Correct 8 ms 620 KB Output is correct
26 Correct 10 ms 344 KB Output is correct
27 Correct 11 ms 600 KB Output is correct
28 Correct 4 ms 344 KB Output is correct
29 Correct 9 ms 472 KB Output is correct
30 Correct 19 ms 600 KB Output is correct
31 Correct 8 ms 656 KB Output is correct
32 Correct 15 ms 720 KB Output is correct
33 Correct 10 ms 464 KB Output is correct
34 Correct 10 ms 596 KB Output is correct
35 Correct 17 ms 460 KB Output is correct
36 Correct 12 ms 968 KB Output is correct
37 Correct 13 ms 344 KB Output is correct
38 Correct 17 ms 732 KB Output is correct
39 Correct 18 ms 600 KB Output is correct
40 Correct 11 ms 344 KB Output is correct
41 Correct 7 ms 468 KB Output is correct
# 결과 실행 시간 메모리 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 28 ms 592 KB Output is correct
8 Correct 15 ms 624 KB Output is correct
9 Correct 30 ms 828 KB Output is correct
10 Correct 33 ms 796 KB Output is correct
11 Correct 21 ms 740 KB Output is correct
12 Correct 11 ms 744 KB Output is correct
13 Correct 26 ms 796 KB Output is correct
14 Correct 28 ms 832 KB Output is correct
15 Correct 30 ms 724 KB Output is correct
16 Correct 25 ms 568 KB Output is correct
17 Correct 20 ms 772 KB Output is correct
18 Correct 29 ms 572 KB Output is correct
19 Correct 34 ms 536 KB Output is correct
20 Correct 25 ms 508 KB Output is correct
21 Correct 28 ms 804 KB Output is correct
22 Correct 22 ms 780 KB Output is correct
23 Correct 34 ms 728 KB Output is correct
24 Correct 21 ms 764 KB Output is correct
25 Correct 16 ms 1016 KB Output is correct
26 Correct 13 ms 708 KB Output is correct
27 Correct 33 ms 576 KB Output is correct
28 Correct 27 ms 492 KB Output is correct
29 Correct 29 ms 460 KB Output is correct
30 Correct 42 ms 736 KB Output is correct
31 Correct 23 ms 600 KB Output is correct
32 Correct 31 ms 732 KB Output is correct
33 Partially correct 36 ms 820 KB Output is partially correct
34 Partially correct 35 ms 452 KB Output is partially correct
35 Correct 29 ms 776 KB Output is correct
36 Correct 24 ms 496 KB Output is correct
37 Correct 29 ms 740 KB Output is correct
38 Correct 30 ms 848 KB Output is correct
39 Correct 24 ms 724 KB Output is correct
40 Correct 16 ms 592 KB Output is correct
41 Correct 20 ms 488 KB Output is correct
42 Correct 21 ms 760 KB Output is correct
43 Correct 10 ms 484 KB Output is correct
44 Correct 26 ms 1388 KB Output is correct
45 Correct 22 ms 728 KB Output is correct
46 Correct 19 ms 536 KB Output is correct
47 Correct 13 ms 720 KB Output is correct
48 Correct 17 ms 600 KB Output is correct