Submission #832588

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
832588	2023-08-21T12:05:06 Z	LucaIlie	Port Facility (JOI17_port_facility)	C++17	22 / 100	6000 ms	2164 KB

port_facility

#include <bits/stdc++.h>

using namespace std;

struct container {
    int l, r;

    bool operator < ( container c ) {
        return l < c.l;
    }
};

const int MAX_N = 1e6;
const int MOD = 1e9 + 7;

int n;
bool bipartit = true;
bool vis[MAX_N], side[MAX_N];
container containers[MAX_N];

void checkBipartit( int u ) {
    vis[u] = true;
    for ( int v = 0; v < u; v++ ) {
        if ( !(containers[v].r > containers[u].l && containers[v].r < containers[u].r) )
            continue;

        if ( vis[v] ) {
            if ( side[u] == side[v] )
                bipartit = false;
        } else {
            side[v] = side[u] ^ 1;
            checkBipartit( v );
        }
    }
    for ( int v = u + 1; v < n; v++ ) {
        if ( !(containers[u].r > containers[v].l && containers[u].r < containers[v].r) )
            continue;

        if ( vis[v] ) {
            if ( side[u] == side[v] )
                bipartit = false;
        } else {
            side[v] = side[u] ^ 1;
            checkBipartit( v );
        }
    }
}

int main() {
    cin >> n;
    for ( int i = 0; i < n; i++ )
        cin >> containers[i].l >> containers[i].r;

    sort( containers, containers + n );

    int comp = 0;
    for ( int u = 0; u < n; u++ ) {
        if ( !vis[u] ) {
            side[u] = 0;
            checkBipartit( u );
            comp++;
        }
    }

    if ( bipartit ) {
        int ans = 1;
        for ( int i = 0; i < comp; i++ )
            ans = ans * 2 % MOD;
        cout << ans;
    } else
        cout << 0;

    return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	5 ms	340 KB	Output is correct
26	Correct	5 ms	340 KB	Output is correct
27	Correct	5 ms	340 KB	Output is correct
28	Correct	5 ms	340 KB	Output is correct
29	Correct	4 ms	340 KB	Output is correct
30	Correct	5 ms	340 KB	Output is correct
31	Correct	5 ms	368 KB	Output is correct
32	Correct	6 ms	340 KB	Output is correct
33	Correct	6 ms	340 KB	Output is correct
34	Correct	5 ms	396 KB	Output is correct
35	Correct	4 ms	340 KB	Output is correct
36	Correct	4 ms	340 KB	Output is correct
37	Correct	5 ms	340 KB	Output is correct
38	Correct	5 ms	340 KB	Output is correct
39	Correct	4 ms	340 KB	Output is correct
40	Correct	4 ms	340 KB	Output is correct
41	Correct	5 ms	340 KB	Output is correct
42	Correct	5 ms	452 KB	Output is correct
43	Correct	4 ms	340 KB	Output is correct
44	Correct	4 ms	468 KB	Output is correct

Subtask #3
0 / 56.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	5 ms	340 KB	Output is correct
26	Correct	5 ms	340 KB	Output is correct
27	Correct	5 ms	340 KB	Output is correct
28	Correct	5 ms	340 KB	Output is correct
29	Correct	4 ms	340 KB	Output is correct
30	Correct	5 ms	340 KB	Output is correct
31	Correct	5 ms	368 KB	Output is correct
32	Correct	6 ms	340 KB	Output is correct
33	Correct	6 ms	340 KB	Output is correct
34	Correct	5 ms	396 KB	Output is correct
35	Correct	4 ms	340 KB	Output is correct
36	Correct	4 ms	340 KB	Output is correct
37	Correct	5 ms	340 KB	Output is correct
38	Correct	5 ms	340 KB	Output is correct
39	Correct	4 ms	340 KB	Output is correct
40	Correct	4 ms	340 KB	Output is correct
41	Correct	5 ms	340 KB	Output is correct
42	Correct	5 ms	452 KB	Output is correct
43	Correct	4 ms	340 KB	Output is correct
44	Correct	4 ms	468 KB	Output is correct
45	Execution timed out	6054 ms	2164 KB	Time limit exceeded
46	Halted	0 ms	0 KB	-

Subtask #4
0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	5 ms	340 KB	Output is correct
26	Correct	5 ms	340 KB	Output is correct
27	Correct	5 ms	340 KB	Output is correct
28	Correct	5 ms	340 KB	Output is correct
29	Correct	4 ms	340 KB	Output is correct
30	Correct	5 ms	340 KB	Output is correct
31	Correct	5 ms	368 KB	Output is correct
32	Correct	6 ms	340 KB	Output is correct
33	Correct	6 ms	340 KB	Output is correct
34	Correct	5 ms	396 KB	Output is correct
35	Correct	4 ms	340 KB	Output is correct
36	Correct	4 ms	340 KB	Output is correct
37	Correct	5 ms	340 KB	Output is correct
38	Correct	5 ms	340 KB	Output is correct
39	Correct	4 ms	340 KB	Output is correct
40	Correct	4 ms	340 KB	Output is correct
41	Correct	5 ms	340 KB	Output is correct
42	Correct	5 ms	452 KB	Output is correct
43	Correct	4 ms	340 KB	Output is correct
44	Correct	4 ms	468 KB	Output is correct
45	Execution timed out	6054 ms	2164 KB	Time limit exceeded
46	Halted	0 ms	0 KB	-

Submission #832588

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