oj.uz

답안 #1029122

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1029122 2024-07-20T12:46:41 Z 42kangaroo 드문 곤충 (IOI22_insects) C++17
99.82 / 100
 38 ms 864 KB 
#include "insects.h"
#include "bits/stdc++.h"

using namespace std;

int min_cardinality(int N) {
	int nums = 0;
	vector<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.push_back(o[i]);
			} else {
				outside.push_back(o[i]);
				move_outside(o[i]);
			}
		} else {
			if (i == N - 1) return 1;
			inside.push_back(o[i]);
		}
	}
	int k = inside.size();
	int l = 1, r = N / k + 1;
	while (l + 1 < r) {
		int m = (l + r + 1) / 2;
		vector<int> nIn, nOut;
		for (auto e: outside) {
			if ((inside.size() + nIn.size() + aIn.size()) == m * k) {
				nOut.push_back(e);
			} else {
				nums++;
				move_inside(e);
				if (press_button() > m) {
					nOut.push_back(e);
					move_outside(e);
				} else nIn.push_back(e);
			}
		}
		if ((inside.size() + nIn.size() + aIn.size()) == m * k) {
			l = m;
			outside = nOut;
			inside.reserve(inside.size() + nIn.size() + aIn.size());
			inside.insert(inside.end(), nIn.begin(), nIn.end());
			inside.insert(inside.end(), 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.reserve(nIn.size() + aIn.size());
			nIn.insert(nIn.end(), aIn.begin(), aIn.end());
			aIn.clear();
			for (int i = 0; i < nM && !nIn.empty(); ++i) {
				aIn.push_back(nIn.back());
				nIn.pop_back();
			}
			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::vector<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::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   45 |   if ((inside.size() + nIn.size() + aIn.size()) == m * k) {
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~

Subtask #1
10.0 / 10.0

# 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 3 ms 440 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 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 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 3 ms 440 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 2 ms 344 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 9 ms 600 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 14 ms 700 KB Output is correct
26 Correct 8 ms 344 KB Output is correct
27 Correct 13 ms 344 KB Output is correct
28 Correct 4 ms 344 KB Output is correct
29 Correct 9 ms 696 KB Output is correct
30 Correct 15 ms 344 KB Output is correct
31 Correct 7 ms 344 KB Output is correct
32 Correct 10 ms 448 KB Output is correct
33 Correct 13 ms 344 KB Output is correct
34 Correct 12 ms 344 KB Output is correct
35 Correct 12 ms 344 KB Output is correct
36 Correct 11 ms 600 KB Output is correct
37 Correct 15 ms 340 KB Output is correct
38 Correct 7 ms 344 KB Output is correct
39 Correct 9 ms 344 KB Output is correct
40 Correct 12 ms 600 KB Output is correct
41 Correct 6 ms 344 KB Output is correct

Subtask #3
74.82 / 75.0

# 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 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 16 ms 616 KB Output is correct
8 Correct 15 ms 460 KB Output is correct
9 Correct 17 ms 864 KB Output is correct
10 Correct 33 ms 464 KB Output is correct
11 Correct 28 ms 604 KB Output is correct
12 Correct 10 ms 448 KB Output is correct
13 Correct 16 ms 344 KB Output is correct
14 Correct 29 ms 692 KB Output is correct
15 Correct 21 ms 592 KB Output is correct
16 Correct 20 ms 600 KB Output is correct
17 Correct 23 ms 600 KB Output is correct
18 Correct 15 ms 456 KB Output is correct
19 Correct 17 ms 612 KB Output is correct
20 Correct 23 ms 448 KB Output is correct
21 Correct 35 ms 344 KB Output is correct
22 Correct 26 ms 452 KB Output is correct
23 Correct 16 ms 344 KB Output is correct
24 Correct 19 ms 696 KB Output is correct
25 Correct 13 ms 344 KB Output is correct
26 Correct 7 ms 344 KB Output is correct
27 Correct 26 ms 848 KB Output is correct
28 Correct 23 ms 456 KB Output is correct
29 Correct 29 ms 344 KB Output is correct
30 Correct 21 ms 852 KB Output is correct
31 Correct 35 ms 444 KB Output is correct
32 Correct 20 ms 456 KB Output is correct
33 Partially correct 38 ms 448 KB Output is partially correct
34 Partially correct 29 ms 600 KB Output is partially correct
35 Correct 21 ms 848 KB Output is correct
36 Correct 21 ms 696 KB Output is correct
37 Correct 37 ms 592 KB Output is correct
38 Correct 31 ms 680 KB Output is correct
39 Correct 17 ms 720 KB Output is correct
40 Correct 17 ms 712 KB Output is correct
41 Correct 29 ms 592 KB Output is correct
42 Correct 21 ms 600 KB Output is correct
43 Correct 3 ms 344 KB Output is correct
44 Correct 22 ms 600 KB Output is correct
45 Correct 19 ms 696 KB Output is correct
46 Correct 19 ms 708 KB Output is correct
47 Correct 8 ms 344 KB Output is correct
48 Correct 16 ms 600 KB Output is correct