Submission #832512

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
832512	2023-08-21T11:01:20 Z	LucaIlie	Port Facility (JOI17_port_facility)	C++17	22 / 100	6000 ms	40032 KB

port_facility

#include <bits/stdc++.h>

using namespace std;

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

bool vis[MAX_N], side[MAX_N];
int l[MAX_N], r[MAX_N];
vector<int> edges[MAX_N];
bool bipartit = true;

void checkBipartit( int u ) {
    vis[u] = true;
    for ( int v: edges[u] ) {
        if ( vis[v] ) {
            if ( side[u] == side[v] )
                bipartit = false;
        } else {
            side[v] = side[u] ^ 1;
            checkBipartit( v );
        }
    }
}

int main() {
    int n;

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

    for ( int i = 0; i < n; i++ ) {
        for ( int j = i + 1; j < n; j++ ) {
            if ( (l[i] <= l[j] && r[i] <= r[j] && r[i] >= l[j]) || (l[j] <= l[i] && r[j] <= r[i] && r[j] >= l[i]) ) {
                edges[i].push_back( j );
                edges[j].push_back( i );
            }
        }
    }

    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	12 ms	23764 KB	Output is correct
2	Correct	15 ms	23764 KB	Output is correct
3	Correct	13 ms	23692 KB	Output is correct
4	Correct	12 ms	23788 KB	Output is correct
5	Correct	12 ms	23788 KB	Output is correct
6	Correct	13 ms	23764 KB	Output is correct
7	Correct	14 ms	23812 KB	Output is correct
8	Correct	11 ms	23764 KB	Output is correct
9	Correct	11 ms	23764 KB	Output is correct
10	Correct	10 ms	23764 KB	Output is correct
11	Correct	14 ms	23724 KB	Output is correct
12	Correct	11 ms	23764 KB	Output is correct
13	Correct	11 ms	23764 KB	Output is correct
14	Correct	15 ms	23760 KB	Output is correct
15	Correct	11 ms	23792 KB	Output is correct
16	Correct	11 ms	23764 KB	Output is correct
17	Correct	14 ms	23784 KB	Output is correct
18	Correct	11 ms	23804 KB	Output is correct
19	Correct	13 ms	23812 KB	Output is correct
20	Correct	13 ms	23788 KB	Output is correct
21	Correct	11 ms	23764 KB	Output is correct
22	Correct	10 ms	23764 KB	Output is correct
23	Correct	13 ms	23748 KB	Output is correct
24	Correct	10 ms	23764 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	12 ms	23764 KB	Output is correct
2	Correct	15 ms	23764 KB	Output is correct
3	Correct	13 ms	23692 KB	Output is correct
4	Correct	12 ms	23788 KB	Output is correct
5	Correct	12 ms	23788 KB	Output is correct
6	Correct	13 ms	23764 KB	Output is correct
7	Correct	14 ms	23812 KB	Output is correct
8	Correct	11 ms	23764 KB	Output is correct
9	Correct	11 ms	23764 KB	Output is correct
10	Correct	10 ms	23764 KB	Output is correct
11	Correct	14 ms	23724 KB	Output is correct
12	Correct	11 ms	23764 KB	Output is correct
13	Correct	11 ms	23764 KB	Output is correct
14	Correct	15 ms	23760 KB	Output is correct
15	Correct	11 ms	23792 KB	Output is correct
16	Correct	11 ms	23764 KB	Output is correct
17	Correct	14 ms	23784 KB	Output is correct
18	Correct	11 ms	23804 KB	Output is correct
19	Correct	13 ms	23812 KB	Output is correct
20	Correct	13 ms	23788 KB	Output is correct
21	Correct	11 ms	23764 KB	Output is correct
22	Correct	10 ms	23764 KB	Output is correct
23	Correct	13 ms	23748 KB	Output is correct
24	Correct	10 ms	23764 KB	Output is correct
25	Correct	26 ms	24056 KB	Output is correct
26	Correct	26 ms	24296 KB	Output is correct
27	Correct	21 ms	24168 KB	Output is correct
28	Correct	24 ms	24564 KB	Output is correct
29	Correct	29 ms	24148 KB	Output is correct
30	Correct	25 ms	24276 KB	Output is correct
31	Correct	25 ms	24192 KB	Output is correct
32	Correct	26 ms	24188 KB	Output is correct
33	Correct	22 ms	23972 KB	Output is correct
34	Correct	24 ms	24100 KB	Output is correct
35	Correct	21 ms	23820 KB	Output is correct
36	Correct	20 ms	23832 KB	Output is correct
37	Correct	52 ms	40032 KB	Output is correct
38	Correct	31 ms	31948 KB	Output is correct
39	Correct	21 ms	23892 KB	Output is correct
40	Correct	20 ms	23828 KB	Output is correct
41	Correct	31 ms	32104 KB	Output is correct
42	Correct	37 ms	31988 KB	Output is correct
43	Correct	25 ms	23916 KB	Output is correct
44	Correct	21 ms	23988 KB	Output is correct

Subtask #3
0 / 56.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	12 ms	23764 KB	Output is correct
2	Correct	15 ms	23764 KB	Output is correct
3	Correct	13 ms	23692 KB	Output is correct
4	Correct	12 ms	23788 KB	Output is correct
5	Correct	12 ms	23788 KB	Output is correct
6	Correct	13 ms	23764 KB	Output is correct
7	Correct	14 ms	23812 KB	Output is correct
8	Correct	11 ms	23764 KB	Output is correct
9	Correct	11 ms	23764 KB	Output is correct
10	Correct	10 ms	23764 KB	Output is correct
11	Correct	14 ms	23724 KB	Output is correct
12	Correct	11 ms	23764 KB	Output is correct
13	Correct	11 ms	23764 KB	Output is correct
14	Correct	15 ms	23760 KB	Output is correct
15	Correct	11 ms	23792 KB	Output is correct
16	Correct	11 ms	23764 KB	Output is correct
17	Correct	14 ms	23784 KB	Output is correct
18	Correct	11 ms	23804 KB	Output is correct
19	Correct	13 ms	23812 KB	Output is correct
20	Correct	13 ms	23788 KB	Output is correct
21	Correct	11 ms	23764 KB	Output is correct
22	Correct	10 ms	23764 KB	Output is correct
23	Correct	13 ms	23748 KB	Output is correct
24	Correct	10 ms	23764 KB	Output is correct
25	Correct	26 ms	24056 KB	Output is correct
26	Correct	26 ms	24296 KB	Output is correct
27	Correct	21 ms	24168 KB	Output is correct
28	Correct	24 ms	24564 KB	Output is correct
29	Correct	29 ms	24148 KB	Output is correct
30	Correct	25 ms	24276 KB	Output is correct
31	Correct	25 ms	24192 KB	Output is correct
32	Correct	26 ms	24188 KB	Output is correct
33	Correct	22 ms	23972 KB	Output is correct
34	Correct	24 ms	24100 KB	Output is correct
35	Correct	21 ms	23820 KB	Output is correct
36	Correct	20 ms	23832 KB	Output is correct
37	Correct	52 ms	40032 KB	Output is correct
38	Correct	31 ms	31948 KB	Output is correct
39	Correct	21 ms	23892 KB	Output is correct
40	Correct	20 ms	23828 KB	Output is correct
41	Correct	31 ms	32104 KB	Output is correct
42	Correct	37 ms	31988 KB	Output is correct
43	Correct	25 ms	23916 KB	Output is correct
44	Correct	21 ms	23988 KB	Output is correct
45	Execution timed out	6063 ms	32492 KB	Time limit exceeded
46	Halted	0 ms	0 KB	-

Subtask #4
0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	12 ms	23764 KB	Output is correct
2	Correct	15 ms	23764 KB	Output is correct
3	Correct	13 ms	23692 KB	Output is correct
4	Correct	12 ms	23788 KB	Output is correct
5	Correct	12 ms	23788 KB	Output is correct
6	Correct	13 ms	23764 KB	Output is correct
7	Correct	14 ms	23812 KB	Output is correct
8	Correct	11 ms	23764 KB	Output is correct
9	Correct	11 ms	23764 KB	Output is correct
10	Correct	10 ms	23764 KB	Output is correct
11	Correct	14 ms	23724 KB	Output is correct
12	Correct	11 ms	23764 KB	Output is correct
13	Correct	11 ms	23764 KB	Output is correct
14	Correct	15 ms	23760 KB	Output is correct
15	Correct	11 ms	23792 KB	Output is correct
16	Correct	11 ms	23764 KB	Output is correct
17	Correct	14 ms	23784 KB	Output is correct
18	Correct	11 ms	23804 KB	Output is correct
19	Correct	13 ms	23812 KB	Output is correct
20	Correct	13 ms	23788 KB	Output is correct
21	Correct	11 ms	23764 KB	Output is correct
22	Correct	10 ms	23764 KB	Output is correct
23	Correct	13 ms	23748 KB	Output is correct
24	Correct	10 ms	23764 KB	Output is correct
25	Correct	26 ms	24056 KB	Output is correct
26	Correct	26 ms	24296 KB	Output is correct
27	Correct	21 ms	24168 KB	Output is correct
28	Correct	24 ms	24564 KB	Output is correct
29	Correct	29 ms	24148 KB	Output is correct
30	Correct	25 ms	24276 KB	Output is correct
31	Correct	25 ms	24192 KB	Output is correct
32	Correct	26 ms	24188 KB	Output is correct
33	Correct	22 ms	23972 KB	Output is correct
34	Correct	24 ms	24100 KB	Output is correct
35	Correct	21 ms	23820 KB	Output is correct
36	Correct	20 ms	23832 KB	Output is correct
37	Correct	52 ms	40032 KB	Output is correct
38	Correct	31 ms	31948 KB	Output is correct
39	Correct	21 ms	23892 KB	Output is correct
40	Correct	20 ms	23828 KB	Output is correct
41	Correct	31 ms	32104 KB	Output is correct
42	Correct	37 ms	31988 KB	Output is correct
43	Correct	25 ms	23916 KB	Output is correct
44	Correct	21 ms	23988 KB	Output is correct
45	Execution timed out	6063 ms	32492 KB	Time limit exceeded
46	Halted	0 ms	0 KB	-

Submission #832512

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