답안 #705609

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
705609	2023-03-04T19:18:12 Z	finn__	Amusement Park (CEOI19_amusementpark)	C++17	100 / 100	1417 ms	2600 KB

amusementpark

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

#define N 18
#define MOD 998244353

int64_t g[N], f[1 << N];
bitset<1 << N> is_independent;

int main()
{
    int64_t n, m;
    cin >> n >> m;

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

    for (size_t i = 0; i < 1 << n; i++)
    {
        is_independent[i] = 1;
        for (size_t j = 0; j < n; j++)
            if (i & (1 << j))
                is_independent[i] = is_independent[i] && !(g[j] & i);
    }

    f[0] = 1;
    for (size_t i = 0; i < 1 << n; i++)
    {
        for (size_t j = i; j; j = (j - 1) & i)
            if (is_independent[j])
                f[i] += f[i ^ j] * ((__builtin_popcount(j) & 1) ? 1 : -1);
        f[i] = (f[i] % MOD + MOD) % MOD;
    }

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

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:15:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int64_t' {aka 'long int'} [-Wsign-compare]
   15 |     for (size_t i = 0; i < m; i++)
      |                        ~~^~~
amusementpark.cpp:23:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   23 |     for (size_t i = 0; i < 1 << n; i++)
      |                        ~~^~~~~~~~
amusementpark.cpp:26:30: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int64_t' {aka 'long int'} [-Wsign-compare]
   26 |         for (size_t j = 0; j < n; j++)
      |                            ~~^~~
amusementpark.cpp:32:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   32 |     for (size_t i = 0; i < 1 << n; i++)
      |                        ~~^~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	메모리	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct
5	Correct	212 KB	Output is correct
6	Correct	212 KB	Output is correct
7	Correct	212 KB	Output is correct
8	Correct	212 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	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	1 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	0 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	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 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 #3
23.0 / 23.0

#	결과	실행 시간	메모리	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	1 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	0 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	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 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	1 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 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	0 ms	212 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	0 ms	212 KB	Output is correct
40	Correct	0 ms	212 KB	Output is correct
41	Correct	0 ms	212 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	0 ms	212 KB	Output is correct
44	Correct	0 ms	212 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	0 ms	212 KB	Output is correct
50	Correct	0 ms	212 KB	Output is correct
51	Correct	0 ms	212 KB	Output is correct
52	Correct	1 ms	212 KB	Output is correct
53	Correct	1 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	1 ms	212 KB	Output is correct
56	Correct	1 ms	212 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	1 ms	212 KB	Output is correct
59	Correct	0 ms	212 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	1 ms	212 KB	Output is correct
62	Correct	1 ms	212 KB	Output is correct
63	Correct	1 ms	312 KB	Output is correct
64	Correct	1 ms	212 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	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	1 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	0 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	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 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	1 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 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	0 ms	212 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	0 ms	212 KB	Output is correct
40	Correct	0 ms	212 KB	Output is correct
41	Correct	0 ms	212 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	0 ms	212 KB	Output is correct
44	Correct	0 ms	212 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	0 ms	212 KB	Output is correct
50	Correct	0 ms	212 KB	Output is correct
51	Correct	0 ms	212 KB	Output is correct
52	Correct	1 ms	212 KB	Output is correct
53	Correct	1 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	1 ms	212 KB	Output is correct
56	Correct	1 ms	212 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	1 ms	212 KB	Output is correct
59	Correct	0 ms	212 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	1 ms	212 KB	Output is correct
62	Correct	1 ms	212 KB	Output is correct
63	Correct	1 ms	312 KB	Output is correct
64	Correct	1 ms	212 KB	Output is correct
65	Correct	16 ms	400 KB	Output is correct
66	Correct	14 ms	384 KB	Output is correct
67	Correct	15 ms	432 KB	Output is correct
68	Correct	12 ms	340 KB	Output is correct
69	Correct	16 ms	440 KB	Output is correct
70	Correct	14 ms	420 KB	Output is correct
71	Correct	13 ms	340 KB	Output is correct
72	Correct	13 ms	348 KB	Output is correct
73	Correct	12 ms	344 KB	Output is correct
74	Correct	11 ms	340 KB	Output is correct
75	Correct	12 ms	320 KB	Output is correct
76	Correct	11 ms	340 KB	Output is correct
77	Correct	44 ms	480 KB	Output is correct
78	Correct	37 ms	548 KB	Output is correct
79	Correct	36 ms	548 KB	Output is correct
80	Correct	34 ms	468 KB	Output is correct
81	Correct	37 ms	540 KB	Output is correct
82	Correct	28 ms	512 KB	Output is correct
83	Correct	28 ms	500 KB	Output is correct
84	Correct	30 ms	520 KB	Output is correct
85	Correct	44 ms	460 KB	Output is correct
86	Correct	44 ms	528 KB	Output is correct
87	Correct	38 ms	452 KB	Output is correct
88	Correct	36 ms	528 KB	Output is correct
89	Correct	33 ms	556 KB	Output is correct
90	Correct	45 ms	468 KB	Output is correct
91	Correct	32 ms	560 KB	Output is correct
92	Correct	32 ms	540 KB	Output is correct

Subtask #5
37.0 / 37.0

#	결과	실행 시간	메모리	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	1 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	0 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	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 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	1 ms	212 KB	Output is correct
26	Correct	0 ms	212 KB	Output is correct
27	Correct	0 ms	212 KB	Output is correct
28	Correct	0 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	0 ms	212 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	0 ms	212 KB	Output is correct
40	Correct	0 ms	212 KB	Output is correct
41	Correct	0 ms	212 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	0 ms	212 KB	Output is correct
44	Correct	0 ms	212 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	0 ms	212 KB	Output is correct
50	Correct	0 ms	212 KB	Output is correct
51	Correct	0 ms	212 KB	Output is correct
52	Correct	1 ms	212 KB	Output is correct
53	Correct	1 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	1 ms	212 KB	Output is correct
56	Correct	1 ms	212 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	1 ms	212 KB	Output is correct
59	Correct	0 ms	212 KB	Output is correct
60	Correct	1 ms	212 KB	Output is correct
61	Correct	1 ms	212 KB	Output is correct
62	Correct	1 ms	212 KB	Output is correct
63	Correct	1 ms	312 KB	Output is correct
64	Correct	1 ms	212 KB	Output is correct
65	Correct	16 ms	400 KB	Output is correct
66	Correct	14 ms	384 KB	Output is correct
67	Correct	15 ms	432 KB	Output is correct
68	Correct	12 ms	340 KB	Output is correct
69	Correct	16 ms	440 KB	Output is correct
70	Correct	14 ms	420 KB	Output is correct
71	Correct	13 ms	340 KB	Output is correct
72	Correct	13 ms	348 KB	Output is correct
73	Correct	12 ms	344 KB	Output is correct
74	Correct	11 ms	340 KB	Output is correct
75	Correct	12 ms	320 KB	Output is correct
76	Correct	11 ms	340 KB	Output is correct
77	Correct	44 ms	480 KB	Output is correct
78	Correct	37 ms	548 KB	Output is correct
79	Correct	36 ms	548 KB	Output is correct
80	Correct	34 ms	468 KB	Output is correct
81	Correct	37 ms	540 KB	Output is correct
82	Correct	28 ms	512 KB	Output is correct
83	Correct	28 ms	500 KB	Output is correct
84	Correct	30 ms	520 KB	Output is correct
85	Correct	44 ms	460 KB	Output is correct
86	Correct	44 ms	528 KB	Output is correct
87	Correct	38 ms	452 KB	Output is correct
88	Correct	36 ms	528 KB	Output is correct
89	Correct	33 ms	556 KB	Output is correct
90	Correct	45 ms	468 KB	Output is correct
91	Correct	32 ms	560 KB	Output is correct
92	Correct	32 ms	540 KB	Output is correct
93	Correct	942 ms	2356 KB	Output is correct
94	Correct	989 ms	2488 KB	Output is correct
95	Correct	982 ms	2328 KB	Output is correct
96	Correct	813 ms	2356 KB	Output is correct
97	Correct	857 ms	2332 KB	Output is correct
98	Correct	973 ms	2280 KB	Output is correct
99	Correct	110 ms	788 KB	Output is correct
100	Correct	96 ms	788 KB	Output is correct
101	Correct	92 ms	812 KB	Output is correct
102	Correct	86 ms	800 KB	Output is correct
103	Correct	474 ms	1420 KB	Output is correct
104	Correct	354 ms	1296 KB	Output is correct
105	Correct	326 ms	1304 KB	Output is correct
106	Correct	273 ms	1312 KB	Output is correct
107	Correct	1417 ms	2588 KB	Output is correct
108	Correct	964 ms	2356 KB	Output is correct
109	Correct	796 ms	2252 KB	Output is correct
110	Correct	713 ms	2280 KB	Output is correct
111	Correct	89 ms	700 KB	Output is correct
112	Correct	77 ms	752 KB	Output is correct
113	Correct	75 ms	772 KB	Output is correct
114	Correct	121 ms	796 KB	Output is correct
115	Correct	108 ms	840 KB	Output is correct
116	Correct	106 ms	844 KB	Output is correct
117	Correct	102 ms	812 KB	Output is correct
118	Correct	93 ms	820 KB	Output is correct
119	Correct	90 ms	728 KB	Output is correct
120	Correct	94 ms	984 KB	Output is correct
121	Correct	90 ms	868 KB	Output is correct
122	Correct	259 ms	1328 KB	Output is correct
123	Correct	276 ms	1264 KB	Output is correct
124	Correct	228 ms	1420 KB	Output is correct
125	Correct	217 ms	1324 KB	Output is correct
126	Correct	214 ms	1412 KB	Output is correct
127	Correct	213 ms	1404 KB	Output is correct
128	Correct	194 ms	1324 KB	Output is correct
129	Correct	192 ms	1332 KB	Output is correct
130	Correct	202 ms	1264 KB	Output is correct
131	Correct	367 ms	1336 KB	Output is correct
132	Correct	338 ms	1436 KB	Output is correct
133	Correct	328 ms	1288 KB	Output is correct
134	Correct	306 ms	1264 KB	Output is correct
135	Correct	268 ms	1220 KB	Output is correct
136	Correct	269 ms	1432 KB	Output is correct
137	Correct	305 ms	1228 KB	Output is correct
138	Correct	256 ms	1400 KB	Output is correct
139	Correct	254 ms	1328 KB	Output is correct
140	Correct	273 ms	1336 KB	Output is correct
141	Correct	232 ms	1312 KB	Output is correct
142	Correct	679 ms	2376 KB	Output is correct
143	Correct	618 ms	2376 KB	Output is correct
144	Correct	600 ms	2252 KB	Output is correct
145	Correct	657 ms	2320 KB	Output is correct
146	Correct	581 ms	2476 KB	Output is correct
147	Correct	556 ms	2328 KB	Output is correct
148	Correct	653 ms	2368 KB	Output is correct
149	Correct	686 ms	2252 KB	Output is correct
150	Correct	645 ms	2468 KB	Output is correct
151	Correct	779 ms	2520 KB	Output is correct
152	Correct	722 ms	2396 KB	Output is correct
153	Correct	854 ms	2456 KB	Output is correct
154	Correct	831 ms	2376 KB	Output is correct
155	Correct	851 ms	2320 KB	Output is correct
156	Correct	760 ms	2396 KB	Output is correct
157	Correct	812 ms	2600 KB	Output is correct
158	Correct	864 ms	2324 KB	Output is correct
159	Correct	736 ms	2296 KB	Output is correct
160	Correct	724 ms	2356 KB	Output is correct
161	Correct	713 ms	2292 KB	Output is correct
162	Correct	698 ms	2508 KB	Output is correct
163	Correct	679 ms	2352 KB	Output is correct
164	Correct	680 ms	2372 KB	Output is correct
165	Correct	640 ms	2388 KB	Output is correct
166	Correct	736 ms	2252 KB	Output is correct
167	Correct	669 ms	2364 KB	Output is correct

답안 #705609

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 12.0 / 12.0

Subtask #3 23.0 / 23.0

Subtask #4 21.0 / 21.0

Subtask #5 37.0 / 37.0

Subtask #1
7.0 / 7.0

Subtask #2
12.0 / 12.0

Subtask #3
23.0 / 23.0

Subtask #4
21.0 / 21.0

Subtask #5
37.0 / 37.0