Submission #896601

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
896601	2024-01-01T17:36:43 Z	Aiperiii	Port Facility (JOI17_port_facility)	C++14	22 / 100	6000 ms	35408 KB

port_facility

#include <bits/stdc++.h>
#define int long long
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
#define pb push_back
using namespace std;
const int mod=1e9+7;
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);
    int n;
    cin>>n;
    vector <int> l(n),r(n);
    for(int i=0;i<n;i++){
        cin>>l[i]>>r[i];
    }
    vector <int> g[n];
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            if(l[i]<l[j] && r[j]>r[i] && l[j]<r[i]){
                g[i].pb(j);
                g[j].pb(i);
            }
        }
    }
    queue <int> q;
    vector <int> vis(n);
    int cnt=0;
    for(int i=0;i<n;i++){
        if(!vis[i]){
            cnt++;
            q.push(i);
            vis[i]=1;
            while(!q.empty()){
                int v=q.front();
                q.pop();
                for(auto to : g[v]){
                    if(!vis[to]){
                        vis[to]=1;
                        q.push(to);
                    }
                }
            }
        }
    }
    for(int i=0;i<n;i++)vis[i]=0;
    bool flag=true;
    for(int i=0;i<n;i++){
        if(!vis[i]){
            q.push(i);
            vis[i]=1;
            while(!q.empty()){
                int v=q.front();
                q.pop();
                for(auto to : g[v]){
                    if(!vis[to]){
                        if(vis[v]==1)vis[to]=2;
                        if(vis[v]==2)vis[to]=1;
                        q.push(to);
                    }
                    else if(vis[to]==vis[v]){
                        flag=false;break;
                    }
                }
            }
        }
    }
    if(flag){
        int x=1;
        for(int i=0;i<cnt;i++){
            x*=2;
            x%=mod;
        }
        cout<<x<<"\n";
    }
    else cout<<0<<"\n";
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	432 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	432 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	392 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	432 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	432 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	392 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	17 ms	860 KB	Output is correct
26	Correct	19 ms	1252 KB	Output is correct
27	Correct	19 ms	860 KB	Output is correct
28	Correct	19 ms	1372 KB	Output is correct
29	Correct	18 ms	992 KB	Output is correct
30	Correct	20 ms	1360 KB	Output is correct
31	Correct	17 ms	1116 KB	Output is correct
32	Correct	19 ms	1372 KB	Output is correct
33	Correct	18 ms	856 KB	Output is correct
34	Correct	17 ms	860 KB	Output is correct
35	Correct	14 ms	520 KB	Output is correct
36	Correct	13 ms	348 KB	Output is correct
37	Correct	46 ms	35408 KB	Output is correct
38	Correct	35 ms	18012 KB	Output is correct
39	Correct	14 ms	604 KB	Output is correct
40	Correct	15 ms	348 KB	Output is correct
41	Correct	35 ms	16468 KB	Output is correct
42	Correct	36 ms	16468 KB	Output is correct
43	Correct	14 ms	576 KB	Output is correct
44	Correct	14 ms	604 KB	Output is correct

Subtask #3
0 / 56.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	432 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	432 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	392 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	17 ms	860 KB	Output is correct
26	Correct	19 ms	1252 KB	Output is correct
27	Correct	19 ms	860 KB	Output is correct
28	Correct	19 ms	1372 KB	Output is correct
29	Correct	18 ms	992 KB	Output is correct
30	Correct	20 ms	1360 KB	Output is correct
31	Correct	17 ms	1116 KB	Output is correct
32	Correct	19 ms	1372 KB	Output is correct
33	Correct	18 ms	856 KB	Output is correct
34	Correct	17 ms	860 KB	Output is correct
35	Correct	14 ms	520 KB	Output is correct
36	Correct	13 ms	348 KB	Output is correct
37	Correct	46 ms	35408 KB	Output is correct
38	Correct	35 ms	18012 KB	Output is correct
39	Correct	14 ms	604 KB	Output is correct
40	Correct	15 ms	348 KB	Output is correct
41	Correct	35 ms	16468 KB	Output is correct
42	Correct	36 ms	16468 KB	Output is correct
43	Correct	14 ms	576 KB	Output is correct
44	Correct	14 ms	604 KB	Output is correct
45	Execution timed out	6049 ms	13420 KB	Time limit exceeded
46	Halted	0 ms	0 KB	-

Subtask #4
0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	432 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	432 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	392 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	17 ms	860 KB	Output is correct
26	Correct	19 ms	1252 KB	Output is correct
27	Correct	19 ms	860 KB	Output is correct
28	Correct	19 ms	1372 KB	Output is correct
29	Correct	18 ms	992 KB	Output is correct
30	Correct	20 ms	1360 KB	Output is correct
31	Correct	17 ms	1116 KB	Output is correct
32	Correct	19 ms	1372 KB	Output is correct
33	Correct	18 ms	856 KB	Output is correct
34	Correct	17 ms	860 KB	Output is correct
35	Correct	14 ms	520 KB	Output is correct
36	Correct	13 ms	348 KB	Output is correct
37	Correct	46 ms	35408 KB	Output is correct
38	Correct	35 ms	18012 KB	Output is correct
39	Correct	14 ms	604 KB	Output is correct
40	Correct	15 ms	348 KB	Output is correct
41	Correct	35 ms	16468 KB	Output is correct
42	Correct	36 ms	16468 KB	Output is correct
43	Correct	14 ms	576 KB	Output is correct
44	Correct	14 ms	604 KB	Output is correct
45	Execution timed out	6049 ms	13420 KB	Time limit exceeded
46	Halted	0 ms	0 KB	-

Submission #896601

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