답안 #798973

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
798973	2023-07-31T08:15:38 Z	vjudge1	Port Facility (JOI17_port_facility)	C++17	22 / 100	49 ms	18000 KB

port_facility

#include<bits/stdc++.h>

using namespace std;
using ll = long long;

const int N = 2e3 + 10;
const int MOD = 1e9 + 7;

int n;
vector<int> g[N];
pair<int, int> bounds[N];

int cl[N];
bool flag = 0;
void dfs(int s, int p = -1) {
    cl[s] = ((p == -1 || cl[p] == 2) ? 1 : 2);
    for(int to : g[s]) {
        if(!cl[to]) dfs(to, s);
        flag |= (cl[to] == cl[s]);
    }
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin >> n;
    for(int i = 0; i < n; i++) 
        cin >> bounds[i].first >> bounds[i].second;
    for(int i = 0; i < n; i++) {
        for(int j = 0; j < n; j++) {
            if(bounds[i].first < bounds[j].first & bounds[j].first < bounds[i].second && bounds[i].second < bounds[j].second) 
                g[i].push_back(j),
                g[j].push_back(i);
        }
    }
    int ans = 1;
    for(int i = 0; i < n; i++) {
        if(cl[i]) continue;
        dfs(i);
        ans = (ans * 2) % MOD;
    }
    if(flag) ans = 0;
    cout << ans;
}

Compilation message

port_facility.cpp: In function 'int main()':
port_facility.cpp:31:32: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   31 |             if(bounds[i].first < bounds[j].first & bounds[j].first < bounds[i].second && bounds[i].second < bounds[j].second)
      |                ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	372 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	368 KB	Output is correct
11	Correct	0 ms	380 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	0 ms	340 KB	Output is correct
22	Correct	0 ms	368 KB	Output is correct
23	Correct	0 ms	340 KB	Output is correct
24	Correct	0 ms	340 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	372 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	368 KB	Output is correct
11	Correct	0 ms	380 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	0 ms	340 KB	Output is correct
22	Correct	0 ms	368 KB	Output is correct
23	Correct	0 ms	340 KB	Output is correct
24	Correct	0 ms	340 KB	Output is correct
25	Correct	19 ms	848 KB	Output is correct
26	Correct	19 ms	820 KB	Output is correct
27	Correct	19 ms	624 KB	Output is correct
28	Correct	20 ms	980 KB	Output is correct
29	Correct	20 ms	692 KB	Output is correct
30	Correct	19 ms	832 KB	Output is correct
31	Correct	20 ms	736 KB	Output is correct
32	Correct	19 ms	664 KB	Output is correct
33	Correct	18 ms	596 KB	Output is correct
34	Correct	19 ms	696 KB	Output is correct
35	Correct	17 ms	412 KB	Output is correct
36	Correct	17 ms	412 KB	Output is correct
37	Correct	49 ms	18000 KB	Output is correct
38	Correct	30 ms	9224 KB	Output is correct
39	Correct	17 ms	456 KB	Output is correct
40	Correct	17 ms	408 KB	Output is correct
41	Correct	27 ms	8616 KB	Output is correct
42	Correct	28 ms	8576 KB	Output is correct
43	Correct	17 ms	588 KB	Output is correct
44	Correct	17 ms	516 KB	Output is correct

Subtask #3
0 / 56.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	372 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	368 KB	Output is correct
11	Correct	0 ms	380 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	0 ms	340 KB	Output is correct
22	Correct	0 ms	368 KB	Output is correct
23	Correct	0 ms	340 KB	Output is correct
24	Correct	0 ms	340 KB	Output is correct
25	Correct	19 ms	848 KB	Output is correct
26	Correct	19 ms	820 KB	Output is correct
27	Correct	19 ms	624 KB	Output is correct
28	Correct	20 ms	980 KB	Output is correct
29	Correct	20 ms	692 KB	Output is correct
30	Correct	19 ms	832 KB	Output is correct
31	Correct	20 ms	736 KB	Output is correct
32	Correct	19 ms	664 KB	Output is correct
33	Correct	18 ms	596 KB	Output is correct
34	Correct	19 ms	696 KB	Output is correct
35	Correct	17 ms	412 KB	Output is correct
36	Correct	17 ms	412 KB	Output is correct
37	Correct	49 ms	18000 KB	Output is correct
38	Correct	30 ms	9224 KB	Output is correct
39	Correct	17 ms	456 KB	Output is correct
40	Correct	17 ms	408 KB	Output is correct
41	Correct	27 ms	8616 KB	Output is correct
42	Correct	28 ms	8576 KB	Output is correct
43	Correct	17 ms	588 KB	Output is correct
44	Correct	17 ms	516 KB	Output is correct
45	Runtime error	2 ms	772 KB	Execution killed with signal 11
46	Halted	0 ms	0 KB	-

Subtask #4
0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	372 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	368 KB	Output is correct
11	Correct	0 ms	380 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	0 ms	340 KB	Output is correct
22	Correct	0 ms	368 KB	Output is correct
23	Correct	0 ms	340 KB	Output is correct
24	Correct	0 ms	340 KB	Output is correct
25	Correct	19 ms	848 KB	Output is correct
26	Correct	19 ms	820 KB	Output is correct
27	Correct	19 ms	624 KB	Output is correct
28	Correct	20 ms	980 KB	Output is correct
29	Correct	20 ms	692 KB	Output is correct
30	Correct	19 ms	832 KB	Output is correct
31	Correct	20 ms	736 KB	Output is correct
32	Correct	19 ms	664 KB	Output is correct
33	Correct	18 ms	596 KB	Output is correct
34	Correct	19 ms	696 KB	Output is correct
35	Correct	17 ms	412 KB	Output is correct
36	Correct	17 ms	412 KB	Output is correct
37	Correct	49 ms	18000 KB	Output is correct
38	Correct	30 ms	9224 KB	Output is correct
39	Correct	17 ms	456 KB	Output is correct
40	Correct	17 ms	408 KB	Output is correct
41	Correct	27 ms	8616 KB	Output is correct
42	Correct	28 ms	8576 KB	Output is correct
43	Correct	17 ms	588 KB	Output is correct
44	Correct	17 ms	516 KB	Output is correct
45	Runtime error	2 ms	772 KB	Execution killed with signal 11
46	Halted	0 ms	0 KB	-

답안 #798973

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 0 / 56.0

Subtask #4 0 / 22.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
0 / 56.0

Subtask #4
0 / 22.0