답안 #666471

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
666471	2022-11-28T16:52:02 Z	finn__	Amusement Park (CEOI19_amusementpark)	C++17	42 / 100	861 ms	588 KB

amusementpark

#include <bits/stdc++.h>
using namespace std;

#define MOD 998244353

int main()
{
    size_t n, m;
    cin >> n >> m;

    vector<vector<bool>> g(n, vector<bool>(n, 0));
    for (size_t i = 0; i < m; i++)
    {
        unsigned u, v;
        cin >> u >> v;
        g[u - 1][v - 1] = 1;
    }

    vector<int64_t> dp(1 << n, 0);
    dp[0] = 1;

    for (unsigned i = 1; i < 1 << n; i++)
    {
        unsigned const p = __builtin_popcount(i);
        vector<unsigned> s;
        for (unsigned k = 0; k < n; k++)
            if (i & (1 << k))
                s.push_back(k);

        for (unsigned j = 0; j < 1 << p; j++)
        {
            bool is_independent = 1;

            for (unsigned k = 0; k < p && is_independent; k++)
                if (j & (1 << k))
                    for (unsigned h = 0; h < p && is_independent; h++)
                        if (j & (1 << h))
                            if (g[s[k]][s[h]] || g[s[h]][s[k]])
                                is_independent = 0;

            if (is_independent)
            {
                unsigned t = 0;
                for (unsigned k = 0; k < p; k++)
                    if (j & (1 << k))
                        t ^= (1 << s[k]);

                dp[i] = (dp[i] +
                         ((__builtin_popcount(t) & 1) ? 1 : -1) * dp[i ^ t]) %
                        MOD;
            }
        }
    }

    cout << (((dp[(1 << n) - 1] * m) % MOD) * 499122177) % MOD << '\n';
}

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:22:28: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
   22 |     for (unsigned i = 1; i < 1 << n; i++)
      |                          ~~^~~~~~~~
amusementpark.cpp:30:32: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
   30 |         for (unsigned j = 0; j < 1 << p; j++)
      |                              ~~^~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	300 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	300 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	300 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	300 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 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	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	300 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	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	300 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	300 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 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	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	300 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	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	300 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	300 KB	Output is correct
35	Correct	1 ms	340 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	2 ms	212 KB	Output is correct
40	Correct	2 ms	212 KB	Output is correct
41	Correct	2 ms	304 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	300 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	1 ms	296 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	2 ms	300 KB	Output is correct
49	Correct	2 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	2 ms	212 KB	Output is correct
52	Correct	5 ms	212 KB	Output is correct
53	Correct	4 ms	300 KB	Output is correct
54	Correct	4 ms	212 KB	Output is correct
55	Correct	3 ms	212 KB	Output is correct
56	Correct	2 ms	212 KB	Output is correct
57	Correct	2 ms	212 KB	Output is correct
58	Correct	2 ms	300 KB	Output is correct
59	Correct	2 ms	212 KB	Output is correct
60	Correct	2 ms	212 KB	Output is correct
61	Correct	6 ms	212 KB	Output is correct
62	Correct	4 ms	296 KB	Output is correct
63	Correct	5 ms	212 KB	Output is correct
64	Correct	4 ms	212 KB	Output is correct

Subtask #4
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	300 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	300 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 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	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	300 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	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	300 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	300 KB	Output is correct
35	Correct	1 ms	340 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	2 ms	212 KB	Output is correct
40	Correct	2 ms	212 KB	Output is correct
41	Correct	2 ms	304 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	300 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	1 ms	296 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	2 ms	300 KB	Output is correct
49	Correct	2 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	2 ms	212 KB	Output is correct
52	Correct	5 ms	212 KB	Output is correct
53	Correct	4 ms	300 KB	Output is correct
54	Correct	4 ms	212 KB	Output is correct
55	Correct	3 ms	212 KB	Output is correct
56	Correct	2 ms	212 KB	Output is correct
57	Correct	2 ms	212 KB	Output is correct
58	Correct	2 ms	300 KB	Output is correct
59	Correct	2 ms	212 KB	Output is correct
60	Correct	2 ms	212 KB	Output is correct
61	Correct	6 ms	212 KB	Output is correct
62	Correct	4 ms	296 KB	Output is correct
63	Correct	5 ms	212 KB	Output is correct
64	Correct	4 ms	212 KB	Output is correct
65	Correct	242 ms	424 KB	Output is correct
66	Correct	183 ms	340 KB	Output is correct
67	Correct	173 ms	424 KB	Output is correct
68	Correct	126 ms	424 KB	Output is correct
69	Correct	723 ms	428 KB	Output is correct
70	Correct	489 ms	460 KB	Output is correct
71	Correct	499 ms	340 KB	Output is correct
72	Correct	550 ms	424 KB	Output is correct
73	Correct	325 ms	460 KB	Output is correct
74	Correct	331 ms	428 KB	Output is correct
75	Correct	383 ms	424 KB	Output is correct
76	Correct	413 ms	428 KB	Output is correct
77	Correct	861 ms	552 KB	Output is correct
78	Correct	721 ms	588 KB	Output is correct
79	Correct	515 ms	556 KB	Output is correct
80	Correct	508 ms	588 KB	Output is correct
81	Incorrect	433 ms	552 KB	Output isn't correct
82	Halted	0 ms	0 KB	-

Subtask #5
0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	300 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	300 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 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	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	300 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	1 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	300 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	300 KB	Output is correct
35	Correct	1 ms	340 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	2 ms	212 KB	Output is correct
40	Correct	2 ms	212 KB	Output is correct
41	Correct	2 ms	304 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	300 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	1 ms	296 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	2 ms	300 KB	Output is correct
49	Correct	2 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	2 ms	212 KB	Output is correct
52	Correct	5 ms	212 KB	Output is correct
53	Correct	4 ms	300 KB	Output is correct
54	Correct	4 ms	212 KB	Output is correct
55	Correct	3 ms	212 KB	Output is correct
56	Correct	2 ms	212 KB	Output is correct
57	Correct	2 ms	212 KB	Output is correct
58	Correct	2 ms	300 KB	Output is correct
59	Correct	2 ms	212 KB	Output is correct
60	Correct	2 ms	212 KB	Output is correct
61	Correct	6 ms	212 KB	Output is correct
62	Correct	4 ms	296 KB	Output is correct
63	Correct	5 ms	212 KB	Output is correct
64	Correct	4 ms	212 KB	Output is correct
65	Correct	242 ms	424 KB	Output is correct
66	Correct	183 ms	340 KB	Output is correct
67	Correct	173 ms	424 KB	Output is correct
68	Correct	126 ms	424 KB	Output is correct
69	Correct	723 ms	428 KB	Output is correct
70	Correct	489 ms	460 KB	Output is correct
71	Correct	499 ms	340 KB	Output is correct
72	Correct	550 ms	424 KB	Output is correct
73	Correct	325 ms	460 KB	Output is correct
74	Correct	331 ms	428 KB	Output is correct
75	Correct	383 ms	424 KB	Output is correct
76	Correct	413 ms	428 KB	Output is correct
77	Correct	861 ms	552 KB	Output is correct
78	Correct	721 ms	588 KB	Output is correct
79	Correct	515 ms	556 KB	Output is correct
80	Correct	508 ms	588 KB	Output is correct
81	Incorrect	433 ms	552 KB	Output isn't correct
82	Halted	0 ms	0 KB	-

답안 #666471

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 12.0 / 12.0

Subtask #3 23.0 / 23.0

Subtask #4 0 / 21.0

Subtask #5 0 / 37.0

Subtask #1
7.0 / 7.0

Subtask #2
12.0 / 12.0

Subtask #3
23.0 / 23.0

Subtask #4
0 / 21.0

Subtask #5
0 / 37.0