답안 #853504

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
853504	2023-09-24T13:05:20 Z	ymwang	Port Facility (JOI17_port_facility)	C++14	10 / 100	356 ms	600 KB

port_facility

#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int n;
	cin >> n;
	if(n > 20)
		return 0;

	vector<pii> a(n);
	for(pii &i: a)
		cin >> i.first >> i.second;
	sort(a.begin(), a.end());

	int ans = 0;
	for(int i=0; i<(1<<n); i++)
	{
		bool yes = 1;
		vector<int> prv[2];
		for(int j=0; j<n && yes; j++)
		{
			int now = ((i>>j) & 1);
			for(int k: prv[now])
			{
				if(a[j].first < k && k < a[j].second)
				{
					yes = 0;
					break;
				}
			}
			prv[now].push_back(a[j].second);
		}
		ans += yes;
	}

	cout << ans << "\n";
}

Subtask #1

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	85 ms	436 KB	Output is correct
2	Correct	25 ms	456 KB	Output is correct
3	Correct	107 ms	344 KB	Output is correct
4	Correct	62 ms	432 KB	Output is correct
5	Correct	24 ms	344 KB	Output is correct
6	Correct	92 ms	428 KB	Output is correct
7	Correct	56 ms	344 KB	Output is correct
8	Correct	31 ms	348 KB	Output is correct
9	Correct	174 ms	344 KB	Output is correct
10	Correct	48 ms	344 KB	Output is correct
11	Correct	27 ms	344 KB	Output is correct
12	Correct	78 ms	436 KB	Output is correct
13	Correct	65 ms	348 KB	Output is correct
14	Correct	90 ms	344 KB	Output is correct
15	Correct	356 ms	432 KB	Output is correct
16	Correct	34 ms	344 KB	Output is correct
17	Correct	22 ms	348 KB	Output is correct
18	Correct	87 ms	600 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	1 ms	500 KB	Output is correct
23	Correct	0 ms	456 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct

Subtask #2

0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	85 ms	436 KB	Output is correct
2	Correct	25 ms	456 KB	Output is correct
3	Correct	107 ms	344 KB	Output is correct
4	Correct	62 ms	432 KB	Output is correct
5	Correct	24 ms	344 KB	Output is correct
6	Correct	92 ms	428 KB	Output is correct
7	Correct	56 ms	344 KB	Output is correct
8	Correct	31 ms	348 KB	Output is correct
9	Correct	174 ms	344 KB	Output is correct
10	Correct	48 ms	344 KB	Output is correct
11	Correct	27 ms	344 KB	Output is correct
12	Correct	78 ms	436 KB	Output is correct
13	Correct	65 ms	348 KB	Output is correct
14	Correct	90 ms	344 KB	Output is correct
15	Correct	356 ms	432 KB	Output is correct
16	Correct	34 ms	344 KB	Output is correct
17	Correct	22 ms	348 KB	Output is correct
18	Correct	87 ms	600 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	1 ms	500 KB	Output is correct
23	Correct	0 ms	456 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Incorrect	0 ms	344 KB	Output isn't correct
26	Halted	0 ms	0 KB	-

Subtask #3

0 / 56.0

#	결과	실행 시간	메모리	Grader output
1	Correct	85 ms	436 KB	Output is correct
2	Correct	25 ms	456 KB	Output is correct
3	Correct	107 ms	344 KB	Output is correct
4	Correct	62 ms	432 KB	Output is correct
5	Correct	24 ms	344 KB	Output is correct
6	Correct	92 ms	428 KB	Output is correct
7	Correct	56 ms	344 KB	Output is correct
8	Correct	31 ms	348 KB	Output is correct
9	Correct	174 ms	344 KB	Output is correct
10	Correct	48 ms	344 KB	Output is correct
11	Correct	27 ms	344 KB	Output is correct
12	Correct	78 ms	436 KB	Output is correct
13	Correct	65 ms	348 KB	Output is correct
14	Correct	90 ms	344 KB	Output is correct
15	Correct	356 ms	432 KB	Output is correct
16	Correct	34 ms	344 KB	Output is correct
17	Correct	22 ms	348 KB	Output is correct
18	Correct	87 ms	600 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	1 ms	500 KB	Output is correct
23	Correct	0 ms	456 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Incorrect	0 ms	344 KB	Output isn't correct
26	Halted	0 ms	0 KB	-

Subtask #4

0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	85 ms	436 KB	Output is correct
2	Correct	25 ms	456 KB	Output is correct
3	Correct	107 ms	344 KB	Output is correct
4	Correct	62 ms	432 KB	Output is correct
5	Correct	24 ms	344 KB	Output is correct
6	Correct	92 ms	428 KB	Output is correct
7	Correct	56 ms	344 KB	Output is correct
8	Correct	31 ms	348 KB	Output is correct
9	Correct	174 ms	344 KB	Output is correct
10	Correct	48 ms	344 KB	Output is correct
11	Correct	27 ms	344 KB	Output is correct
12	Correct	78 ms	436 KB	Output is correct
13	Correct	65 ms	348 KB	Output is correct
14	Correct	90 ms	344 KB	Output is correct
15	Correct	356 ms	432 KB	Output is correct
16	Correct	34 ms	344 KB	Output is correct
17	Correct	22 ms	348 KB	Output is correct
18	Correct	87 ms	600 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	1 ms	500 KB	Output is correct
23	Correct	0 ms	456 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Incorrect	0 ms	344 KB	Output isn't correct
26	Halted	0 ms	0 KB	-