Submission #953484

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
953484	2024-03-26T03:15:35 Z	Darren0724	Port Facility (JOI17_port_facility)	C++17	22 / 100	6000 ms	40272 KB

port_facility

#include <bits/stdc++.h>
using namespace std;
#define LCBorz ios_base::sync_with_stdio(false); cin.tie(0);
#define int long long
#define all(x) x.begin(), x.end()
#define endl '\n'
const int N=200005;
const int INF=1e18;
const int mod=1e9+7;
vector<int> adj[N],vis(N),dis(N);
void dfs(int k,int pa){
    vis[k]=1;
    for(int j:adj[k]){
        if(j==pa)continue;
        if(!vis[j]){
            dis[j]=dis[k]+1;
            dfs(j,k);
        }
        else if(dis[j]%2==dis[k]%2){
            cout<<0<<endl;
            exit(0);
        }
    }
} 
int32_t main() {
    LCBorz;
    int n;cin>>n;
    vector<int> a(n),b(n);
    for(int i=0;i<n;i++){
        cin>>a[i]>>b[i];
    }
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            if(i==j)continue;
            int cnt=(a[j]>=a[i]&&a[j]<=b[i])+(b[j]>=a[i]&&b[j]<=b[i]);
            if(cnt==1){
                adj[i].push_back(j);
            }
        }
    }
    int ans=1;
    for(int i=0;i<n;i++){
        if(!vis[i]){
            ans=ans*2%mod;
            dfs(i,i);
        }
    }
    cout<<ans<<endl;
    

    return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	8284 KB	Output is correct
2	Correct	2 ms	8064 KB	Output is correct
3	Correct	2 ms	8284 KB	Output is correct
4	Correct	2 ms	8284 KB	Output is correct
5	Correct	2 ms	8284 KB	Output is correct
6	Correct	2 ms	8284 KB	Output is correct
7	Correct	2 ms	8284 KB	Output is correct
8	Correct	3 ms	8284 KB	Output is correct
9	Correct	2 ms	8284 KB	Output is correct
10	Correct	3 ms	8280 KB	Output is correct
11	Correct	3 ms	8284 KB	Output is correct
12	Correct	3 ms	8284 KB	Output is correct
13	Correct	3 ms	8436 KB	Output is correct
14	Correct	2 ms	8284 KB	Output is correct
15	Correct	2 ms	8280 KB	Output is correct
16	Correct	2 ms	8284 KB	Output is correct
17	Correct	2 ms	8284 KB	Output is correct
18	Correct	2 ms	8284 KB	Output is correct
19	Correct	2 ms	8284 KB	Output is correct
20	Correct	2 ms	8284 KB	Output is correct
21	Correct	2 ms	8284 KB	Output is correct
22	Correct	2 ms	8284 KB	Output is correct
23	Correct	3 ms	8284 KB	Output is correct
24	Correct	3 ms	8284 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	8284 KB	Output is correct
2	Correct	2 ms	8064 KB	Output is correct
3	Correct	2 ms	8284 KB	Output is correct
4	Correct	2 ms	8284 KB	Output is correct
5	Correct	2 ms	8284 KB	Output is correct
6	Correct	2 ms	8284 KB	Output is correct
7	Correct	2 ms	8284 KB	Output is correct
8	Correct	3 ms	8284 KB	Output is correct
9	Correct	2 ms	8284 KB	Output is correct
10	Correct	3 ms	8280 KB	Output is correct
11	Correct	3 ms	8284 KB	Output is correct
12	Correct	3 ms	8284 KB	Output is correct
13	Correct	3 ms	8436 KB	Output is correct
14	Correct	2 ms	8284 KB	Output is correct
15	Correct	2 ms	8280 KB	Output is correct
16	Correct	2 ms	8284 KB	Output is correct
17	Correct	2 ms	8284 KB	Output is correct
18	Correct	2 ms	8284 KB	Output is correct
19	Correct	2 ms	8284 KB	Output is correct
20	Correct	2 ms	8284 KB	Output is correct
21	Correct	2 ms	8284 KB	Output is correct
22	Correct	2 ms	8284 KB	Output is correct
23	Correct	3 ms	8284 KB	Output is correct
24	Correct	3 ms	8284 KB	Output is correct
25	Correct	24 ms	9048 KB	Output is correct
26	Correct	24 ms	9048 KB	Output is correct
27	Correct	29 ms	8796 KB	Output is correct
28	Correct	25 ms	9296 KB	Output is correct
29	Correct	29 ms	8796 KB	Output is correct
30	Correct	24 ms	9052 KB	Output is correct
31	Correct	25 ms	8876 KB	Output is correct
32	Correct	25 ms	8788 KB	Output is correct
33	Correct	26 ms	8540 KB	Output is correct
34	Correct	26 ms	8540 KB	Output is correct
35	Correct	18 ms	8284 KB	Output is correct
36	Correct	17 ms	8280 KB	Output is correct
37	Correct	33 ms	40272 KB	Output is correct
38	Correct	34 ms	24156 KB	Output is correct
39	Correct	22 ms	8364 KB	Output is correct
40	Correct	18 ms	8284 KB	Output is correct
41	Correct	34 ms	24400 KB	Output is correct
42	Correct	34 ms	24460 KB	Output is correct
43	Correct	19 ms	8536 KB	Output is correct
44	Correct	19 ms	8284 KB	Output is correct

Subtask #3
0 / 56.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	8284 KB	Output is correct
2	Correct	2 ms	8064 KB	Output is correct
3	Correct	2 ms	8284 KB	Output is correct
4	Correct	2 ms	8284 KB	Output is correct
5	Correct	2 ms	8284 KB	Output is correct
6	Correct	2 ms	8284 KB	Output is correct
7	Correct	2 ms	8284 KB	Output is correct
8	Correct	3 ms	8284 KB	Output is correct
9	Correct	2 ms	8284 KB	Output is correct
10	Correct	3 ms	8280 KB	Output is correct
11	Correct	3 ms	8284 KB	Output is correct
12	Correct	3 ms	8284 KB	Output is correct
13	Correct	3 ms	8436 KB	Output is correct
14	Correct	2 ms	8284 KB	Output is correct
15	Correct	2 ms	8280 KB	Output is correct
16	Correct	2 ms	8284 KB	Output is correct
17	Correct	2 ms	8284 KB	Output is correct
18	Correct	2 ms	8284 KB	Output is correct
19	Correct	2 ms	8284 KB	Output is correct
20	Correct	2 ms	8284 KB	Output is correct
21	Correct	2 ms	8284 KB	Output is correct
22	Correct	2 ms	8284 KB	Output is correct
23	Correct	3 ms	8284 KB	Output is correct
24	Correct	3 ms	8284 KB	Output is correct
25	Correct	24 ms	9048 KB	Output is correct
26	Correct	24 ms	9048 KB	Output is correct
27	Correct	29 ms	8796 KB	Output is correct
28	Correct	25 ms	9296 KB	Output is correct
29	Correct	29 ms	8796 KB	Output is correct
30	Correct	24 ms	9052 KB	Output is correct
31	Correct	25 ms	8876 KB	Output is correct
32	Correct	25 ms	8788 KB	Output is correct
33	Correct	26 ms	8540 KB	Output is correct
34	Correct	26 ms	8540 KB	Output is correct
35	Correct	18 ms	8284 KB	Output is correct
36	Correct	17 ms	8280 KB	Output is correct
37	Correct	33 ms	40272 KB	Output is correct
38	Correct	34 ms	24156 KB	Output is correct
39	Correct	22 ms	8364 KB	Output is correct
40	Correct	18 ms	8284 KB	Output is correct
41	Correct	34 ms	24400 KB	Output is correct
42	Correct	34 ms	24460 KB	Output is correct
43	Correct	19 ms	8536 KB	Output is correct
44	Correct	19 ms	8284 KB	Output is correct
45	Execution timed out	6070 ms	15988 KB	Time limit exceeded
46	Halted	0 ms	0 KB	-

Subtask #4
0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	8284 KB	Output is correct
2	Correct	2 ms	8064 KB	Output is correct
3	Correct	2 ms	8284 KB	Output is correct
4	Correct	2 ms	8284 KB	Output is correct
5	Correct	2 ms	8284 KB	Output is correct
6	Correct	2 ms	8284 KB	Output is correct
7	Correct	2 ms	8284 KB	Output is correct
8	Correct	3 ms	8284 KB	Output is correct
9	Correct	2 ms	8284 KB	Output is correct
10	Correct	3 ms	8280 KB	Output is correct
11	Correct	3 ms	8284 KB	Output is correct
12	Correct	3 ms	8284 KB	Output is correct
13	Correct	3 ms	8436 KB	Output is correct
14	Correct	2 ms	8284 KB	Output is correct
15	Correct	2 ms	8280 KB	Output is correct
16	Correct	2 ms	8284 KB	Output is correct
17	Correct	2 ms	8284 KB	Output is correct
18	Correct	2 ms	8284 KB	Output is correct
19	Correct	2 ms	8284 KB	Output is correct
20	Correct	2 ms	8284 KB	Output is correct
21	Correct	2 ms	8284 KB	Output is correct
22	Correct	2 ms	8284 KB	Output is correct
23	Correct	3 ms	8284 KB	Output is correct
24	Correct	3 ms	8284 KB	Output is correct
25	Correct	24 ms	9048 KB	Output is correct
26	Correct	24 ms	9048 KB	Output is correct
27	Correct	29 ms	8796 KB	Output is correct
28	Correct	25 ms	9296 KB	Output is correct
29	Correct	29 ms	8796 KB	Output is correct
30	Correct	24 ms	9052 KB	Output is correct
31	Correct	25 ms	8876 KB	Output is correct
32	Correct	25 ms	8788 KB	Output is correct
33	Correct	26 ms	8540 KB	Output is correct
34	Correct	26 ms	8540 KB	Output is correct
35	Correct	18 ms	8284 KB	Output is correct
36	Correct	17 ms	8280 KB	Output is correct
37	Correct	33 ms	40272 KB	Output is correct
38	Correct	34 ms	24156 KB	Output is correct
39	Correct	22 ms	8364 KB	Output is correct
40	Correct	18 ms	8284 KB	Output is correct
41	Correct	34 ms	24400 KB	Output is correct
42	Correct	34 ms	24460 KB	Output is correct
43	Correct	19 ms	8536 KB	Output is correct
44	Correct	19 ms	8284 KB	Output is correct
45	Execution timed out	6070 ms	15988 KB	Time limit exceeded
46	Halted	0 ms	0 KB	-

Submission #953484

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