Submission #468042

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
468042	2021-08-26T06:39:43 Z	warner1129	Amusement Park (CEOI19_amusementpark)	C++17	100 / 100	2776 ms	1668 KB

amusementpark

#include <bits/stdc++.h>

#define ff first
#define ss second

using namespace std;

const int mod = 998244353;
const int inv2 = (mod+1) >> 1;
const int maxn = 18;

int dp[1<<maxn];
bitset<1<<maxn> ind;
pair<int, int> edge[maxn*maxn];

int n, m;

bool check(const int &s) {
	for (int i = 1; i <= m; i++)
		if (((s>>edge[i].ff) & 1) && ((s>>edge[i].ss) & 1))
			return false;
	return true;
}

void solve() {
	cin >> n >> m;
	for (int i = 1; i <= m; i++)
		cin >> edge[i].ff >> edge[i].ss, edge[i].ff--, edge[i].ss--;
	for (int i = 1; i < (1<<n); i++) ind[i] = check(i);
	dp[0] = 1;
	for (int i = 1; i < (1<<n); i++)
		for (int j = i; j; j = (j-1) & i)
			if (ind[j]) dp[i] = (dp[i] + ((__builtin_popcount(j) & 1) ? dp[i^j] : -dp[i^j])) % mod;
	cout << 1ll*((dp[(1<<n)-1] + mod) % mod) * m % mod * inv2 % mod;
}

signed main() {
	ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
	solve();
	return 0;
}

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	316 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	316 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	316 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	316 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	0 ms	332 KB	Output is correct
15	Correct	1 ms	284 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	0 ms	320 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	320 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	316 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	316 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	0 ms	332 KB	Output is correct
15	Correct	1 ms	284 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	0 ms	320 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	320 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	320 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	1 ms	332 KB	Output is correct
42	Correct	1 ms	204 KB	Output is correct
43	Correct	1 ms	332 KB	Output is correct
44	Correct	1 ms	332 KB	Output is correct
45	Correct	1 ms	204 KB	Output is correct
46	Correct	1 ms	204 KB	Output is correct
47	Correct	1 ms	204 KB	Output is correct
48	Correct	1 ms	320 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	1 ms	204 KB	Output is correct
51	Correct	1 ms	204 KB	Output is correct
52	Correct	1 ms	204 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	204 KB	Output is correct
55	Correct	1 ms	204 KB	Output is correct
56	Correct	1 ms	332 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	1 ms	204 KB	Output is correct
59	Correct	1 ms	204 KB	Output is correct
60	Correct	1 ms	204 KB	Output is correct
61	Correct	1 ms	204 KB	Output is correct
62	Correct	1 ms	204 KB	Output is correct
63	Correct	1 ms	204 KB	Output is correct
64	Correct	1 ms	204 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	316 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	316 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	0 ms	332 KB	Output is correct
15	Correct	1 ms	284 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	0 ms	320 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	320 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	320 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	1 ms	332 KB	Output is correct
42	Correct	1 ms	204 KB	Output is correct
43	Correct	1 ms	332 KB	Output is correct
44	Correct	1 ms	332 KB	Output is correct
45	Correct	1 ms	204 KB	Output is correct
46	Correct	1 ms	204 KB	Output is correct
47	Correct	1 ms	204 KB	Output is correct
48	Correct	1 ms	320 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	1 ms	204 KB	Output is correct
51	Correct	1 ms	204 KB	Output is correct
52	Correct	1 ms	204 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	204 KB	Output is correct
55	Correct	1 ms	204 KB	Output is correct
56	Correct	1 ms	332 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	1 ms	204 KB	Output is correct
59	Correct	1 ms	204 KB	Output is correct
60	Correct	1 ms	204 KB	Output is correct
61	Correct	1 ms	204 KB	Output is correct
62	Correct	1 ms	204 KB	Output is correct
63	Correct	1 ms	204 KB	Output is correct
64	Correct	1 ms	204 KB	Output is correct
65	Correct	13 ms	332 KB	Output is correct
66	Correct	12 ms	352 KB	Output is correct
67	Correct	12 ms	476 KB	Output is correct
68	Correct	10 ms	332 KB	Output is correct
69	Correct	25 ms	364 KB	Output is correct
70	Correct	19 ms	332 KB	Output is correct
71	Correct	19 ms	380 KB	Output is correct
72	Correct	19 ms	332 KB	Output is correct
73	Correct	15 ms	332 KB	Output is correct
74	Correct	15 ms	332 KB	Output is correct
75	Correct	15 ms	392 KB	Output is correct
76	Correct	16 ms	332 KB	Output is correct
77	Correct	42 ms	420 KB	Output is correct
78	Correct	36 ms	412 KB	Output is correct
79	Correct	37 ms	380 KB	Output is correct
80	Correct	34 ms	444 KB	Output is correct
81	Correct	30 ms	424 KB	Output is correct
82	Correct	28 ms	332 KB	Output is correct
83	Correct	26 ms	316 KB	Output is correct
84	Correct	25 ms	332 KB	Output is correct
85	Correct	75 ms	332 KB	Output is correct
86	Correct	56 ms	384 KB	Output is correct
87	Correct	57 ms	392 KB	Output is correct
88	Correct	57 ms	388 KB	Output is correct
89	Correct	44 ms	380 KB	Output is correct
90	Correct	43 ms	388 KB	Output is correct
91	Correct	44 ms	384 KB	Output is correct
92	Correct	44 ms	368 KB	Output is correct

Subtask #5
37.0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	316 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	316 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	0 ms	332 KB	Output is correct
15	Correct	1 ms	284 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	332 KB	Output is correct
21	Correct	0 ms	320 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	320 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	1 ms	320 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	1 ms	332 KB	Output is correct
42	Correct	1 ms	204 KB	Output is correct
43	Correct	1 ms	332 KB	Output is correct
44	Correct	1 ms	332 KB	Output is correct
45	Correct	1 ms	204 KB	Output is correct
46	Correct	1 ms	204 KB	Output is correct
47	Correct	1 ms	204 KB	Output is correct
48	Correct	1 ms	320 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	1 ms	204 KB	Output is correct
51	Correct	1 ms	204 KB	Output is correct
52	Correct	1 ms	204 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	204 KB	Output is correct
55	Correct	1 ms	204 KB	Output is correct
56	Correct	1 ms	332 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	1 ms	204 KB	Output is correct
59	Correct	1 ms	204 KB	Output is correct
60	Correct	1 ms	204 KB	Output is correct
61	Correct	1 ms	204 KB	Output is correct
62	Correct	1 ms	204 KB	Output is correct
63	Correct	1 ms	204 KB	Output is correct
64	Correct	1 ms	204 KB	Output is correct
65	Correct	13 ms	332 KB	Output is correct
66	Correct	12 ms	352 KB	Output is correct
67	Correct	12 ms	476 KB	Output is correct
68	Correct	10 ms	332 KB	Output is correct
69	Correct	25 ms	364 KB	Output is correct
70	Correct	19 ms	332 KB	Output is correct
71	Correct	19 ms	380 KB	Output is correct
72	Correct	19 ms	332 KB	Output is correct
73	Correct	15 ms	332 KB	Output is correct
74	Correct	15 ms	332 KB	Output is correct
75	Correct	15 ms	392 KB	Output is correct
76	Correct	16 ms	332 KB	Output is correct
77	Correct	42 ms	420 KB	Output is correct
78	Correct	36 ms	412 KB	Output is correct
79	Correct	37 ms	380 KB	Output is correct
80	Correct	34 ms	444 KB	Output is correct
81	Correct	30 ms	424 KB	Output is correct
82	Correct	28 ms	332 KB	Output is correct
83	Correct	26 ms	316 KB	Output is correct
84	Correct	25 ms	332 KB	Output is correct
85	Correct	75 ms	332 KB	Output is correct
86	Correct	56 ms	384 KB	Output is correct
87	Correct	57 ms	392 KB	Output is correct
88	Correct	57 ms	388 KB	Output is correct
89	Correct	44 ms	380 KB	Output is correct
90	Correct	43 ms	388 KB	Output is correct
91	Correct	44 ms	384 KB	Output is correct
92	Correct	44 ms	368 KB	Output is correct
93	Correct	1503 ms	1544 KB	Output is correct
94	Correct	1505 ms	1464 KB	Output is correct
95	Correct	1499 ms	1324 KB	Output is correct
96	Correct	1179 ms	1352 KB	Output is correct
97	Correct	1117 ms	1456 KB	Output is correct
98	Correct	1235 ms	1404 KB	Output is correct
99	Correct	128 ms	708 KB	Output is correct
100	Correct	105 ms	544 KB	Output is correct
101	Correct	95 ms	548 KB	Output is correct
102	Correct	88 ms	488 KB	Output is correct
103	Correct	923 ms	884 KB	Output is correct
104	Correct	548 ms	948 KB	Output is correct
105	Correct	437 ms	824 KB	Output is correct
106	Correct	303 ms	836 KB	Output is correct
107	Correct	2776 ms	1568 KB	Output is correct
108	Correct	1179 ms	1416 KB	Output is correct
109	Correct	870 ms	1348 KB	Output is correct
110	Correct	717 ms	1388 KB	Output is correct
111	Correct	79 ms	452 KB	Output is correct
112	Correct	74 ms	532 KB	Output is correct
113	Correct	79 ms	532 KB	Output is correct
114	Correct	223 ms	512 KB	Output is correct
115	Correct	169 ms	516 KB	Output is correct
116	Correct	164 ms	452 KB	Output is correct
117	Correct	168 ms	492 KB	Output is correct
118	Correct	133 ms	580 KB	Output is correct
119	Correct	129 ms	536 KB	Output is correct
120	Correct	131 ms	560 KB	Output is correct
121	Correct	132 ms	580 KB	Output is correct
122	Correct	273 ms	1024 KB	Output is correct
123	Correct	227 ms	816 KB	Output is correct
124	Correct	214 ms	780 KB	Output is correct
125	Correct	206 ms	836 KB	Output is correct
126	Correct	195 ms	824 KB	Output is correct
127	Correct	186 ms	792 KB	Output is correct
128	Correct	174 ms	716 KB	Output is correct
129	Correct	168 ms	816 KB	Output is correct
130	Correct	165 ms	820 KB	Output is correct
131	Correct	666 ms	988 KB	Output is correct
132	Correct	493 ms	860 KB	Output is correct
133	Correct	492 ms	880 KB	Output is correct
134	Correct	493 ms	940 KB	Output is correct
135	Correct	383 ms	712 KB	Output is correct
136	Correct	378 ms	708 KB	Output is correct
137	Correct	392 ms	788 KB	Output is correct
138	Correct	393 ms	828 KB	Output is correct
139	Correct	320 ms	708 KB	Output is correct
140	Correct	342 ms	888 KB	Output is correct
141	Correct	307 ms	748 KB	Output is correct
142	Correct	617 ms	1372 KB	Output is correct
143	Correct	573 ms	1348 KB	Output is correct
144	Correct	548 ms	1344 KB	Output is correct
145	Correct	520 ms	1348 KB	Output is correct
146	Correct	497 ms	1348 KB	Output is correct
147	Correct	479 ms	1428 KB	Output is correct
148	Correct	636 ms	1348 KB	Output is correct
149	Correct	617 ms	1440 KB	Output is correct
150	Correct	614 ms	1348 KB	Output is correct
151	Correct	862 ms	1468 KB	Output is correct
152	Correct	842 ms	1352 KB	Output is correct
153	Correct	1167 ms	1476 KB	Output is correct
154	Correct	1169 ms	1348 KB	Output is correct
155	Correct	1202 ms	1432 KB	Output is correct
156	Correct	1147 ms	1348 KB	Output is correct
157	Correct	1134 ms	1476 KB	Output is correct
158	Correct	1133 ms	1536 KB	Output is correct
159	Correct	949 ms	1564 KB	Output is correct
160	Correct	927 ms	1656 KB	Output is correct
161	Correct	911 ms	1668 KB	Output is correct
162	Correct	837 ms	1416 KB	Output is correct
163	Correct	911 ms	1348 KB	Output is correct
164	Correct	898 ms	1348 KB	Output is correct
165	Correct	755 ms	1352 KB	Output is correct
166	Correct	770 ms	1348 KB	Output is correct
167	Correct	767 ms	1476 KB	Output is correct

Submission #468042

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