Submission #985962

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
985962	2024-05-19T12:30:30 Z	alextodoran	Port Facility (JOI17_port_facility)	C++17	10 / 100	785 ms	604 KB

port_facility

/**
 _  _   __  _ _ _  _  _ _
 |a  ||t  ||o    d | |o  |
| __    _| | _ | __|  _ |
| __ |/_  | __  /__\ / _\|

**/

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N_MAX = 20;

int N;
int L[N_MAX + 2], R[N_MAX + 2];

bool color[N_MAX + 2];

bool check () {
    for (int i = 1; i <= N; i++) {
        for (int j = 1; j <= N; j++) {
            if (color[i] == color[j] && L[i] < L[j] && L[j] < R[i] && R[i] < R[j]) {
                return false;
            }
        }
    }
    return true;
}

int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> N;
    for (int i = 1; i <= N; i++) {
        cin >> L[i] >> R[i];
    }
    int answer = 0;
    for (int mask = 0; mask < (1 << N); mask += 2) {
        for (int i = 1; i <= N; i++) {
            color[i] = ((mask >> (i - 1)) & 1);
        }
        answer += check();
    }
    answer *= 2;
    cout << answer << "\n";

    return 0;
}

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	344 KB	Output is correct
2	Correct	39 ms	348 KB	Output is correct
3	Correct	177 ms	436 KB	Output is correct
4	Correct	25 ms	344 KB	Output is correct
5	Correct	26 ms	344 KB	Output is correct
6	Correct	38 ms	604 KB	Output is correct
7	Correct	59 ms	348 KB	Output is correct
8	Correct	12 ms	344 KB	Output is correct
9	Correct	19 ms	452 KB	Output is correct
10	Correct	40 ms	460 KB	Output is correct
11	Correct	17 ms	348 KB	Output is correct
12	Correct	91 ms	432 KB	Output is correct
13	Correct	31 ms	344 KB	Output is correct
14	Correct	179 ms	432 KB	Output is correct
15	Correct	785 ms	432 KB	Output is correct
16	Correct	6 ms	348 KB	Output is correct
17	Correct	21 ms	456 KB	Output is correct
18	Correct	65 ms	440 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	1 ms	432 KB	Output is correct
21	Correct	1 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	348 KB	Output is correct

Subtask #2

0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	344 KB	Output is correct
2	Correct	39 ms	348 KB	Output is correct
3	Correct	177 ms	436 KB	Output is correct
4	Correct	25 ms	344 KB	Output is correct
5	Correct	26 ms	344 KB	Output is correct
6	Correct	38 ms	604 KB	Output is correct
7	Correct	59 ms	348 KB	Output is correct
8	Correct	12 ms	344 KB	Output is correct
9	Correct	19 ms	452 KB	Output is correct
10	Correct	40 ms	460 KB	Output is correct
11	Correct	17 ms	348 KB	Output is correct
12	Correct	91 ms	432 KB	Output is correct
13	Correct	31 ms	344 KB	Output is correct
14	Correct	179 ms	432 KB	Output is correct
15	Correct	785 ms	432 KB	Output is correct
16	Correct	6 ms	348 KB	Output is correct
17	Correct	21 ms	456 KB	Output is correct
18	Correct	65 ms	440 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	1 ms	432 KB	Output is correct
21	Correct	1 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	348 KB	Output is correct
25	Runtime error	1 ms	604 KB	Execution killed with signal 11
26	Halted	0 ms	0 KB	-

Subtask #3

0 / 56.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	344 KB	Output is correct
2	Correct	39 ms	348 KB	Output is correct
3	Correct	177 ms	436 KB	Output is correct
4	Correct	25 ms	344 KB	Output is correct
5	Correct	26 ms	344 KB	Output is correct
6	Correct	38 ms	604 KB	Output is correct
7	Correct	59 ms	348 KB	Output is correct
8	Correct	12 ms	344 KB	Output is correct
9	Correct	19 ms	452 KB	Output is correct
10	Correct	40 ms	460 KB	Output is correct
11	Correct	17 ms	348 KB	Output is correct
12	Correct	91 ms	432 KB	Output is correct
13	Correct	31 ms	344 KB	Output is correct
14	Correct	179 ms	432 KB	Output is correct
15	Correct	785 ms	432 KB	Output is correct
16	Correct	6 ms	348 KB	Output is correct
17	Correct	21 ms	456 KB	Output is correct
18	Correct	65 ms	440 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	1 ms	432 KB	Output is correct
21	Correct	1 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	348 KB	Output is correct
25	Runtime error	1 ms	604 KB	Execution killed with signal 11
26	Halted	0 ms	0 KB	-

Subtask #4

0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	344 KB	Output is correct
2	Correct	39 ms	348 KB	Output is correct
3	Correct	177 ms	436 KB	Output is correct
4	Correct	25 ms	344 KB	Output is correct
5	Correct	26 ms	344 KB	Output is correct
6	Correct	38 ms	604 KB	Output is correct
7	Correct	59 ms	348 KB	Output is correct
8	Correct	12 ms	344 KB	Output is correct
9	Correct	19 ms	452 KB	Output is correct
10	Correct	40 ms	460 KB	Output is correct
11	Correct	17 ms	348 KB	Output is correct
12	Correct	91 ms	432 KB	Output is correct
13	Correct	31 ms	344 KB	Output is correct
14	Correct	179 ms	432 KB	Output is correct
15	Correct	785 ms	432 KB	Output is correct
16	Correct	6 ms	348 KB	Output is correct
17	Correct	21 ms	456 KB	Output is correct
18	Correct	65 ms	440 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	1 ms	432 KB	Output is correct
21	Correct	1 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	348 KB	Output is correct
25	Runtime error	1 ms	604 KB	Execution killed with signal 11
26	Halted	0 ms	0 KB	-