답안 #742060

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
742060	2023-05-15T13:40:41 Z	nishkarsh	Amusement Park (CEOI19_amusementpark)	C++14	100 / 100	699 ms	3784 KB

amusementpark

#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int N = 18;
const int mod = 998244353;
bool isindep[1<<N];
ll dp[1<<N];
int popcnt[1<<N];
int undirected_edge[N];
int main(){
	int n,m,a,b;
	cin >> n >> m;
	for(int i = 1; i <= m; i++){
		cin >> a >> b;
		a--;b--;
		undirected_edge[a] ^= (1<<b);
		undirected_edge[b] ^= (1<<a);
	}
	for(int i = 0; i < (1<<n); i++){
		int edges = 0;
		for(int j = 0; j < n; j++){
			if(i&(1<<j)){
				popcnt[i]++;
				edges |= undirected_edge[j];
			}
		}
		if((edges&i) == 0) isindep[i] = true;
	}
	dp[0] = 1;
	for(int i = 1; i < (1<<n); i++){
		for(int j = i; j > 0; j = (j-1)&i){
			if(isindep[j]){
				if(popcnt[j]&1) dp[i] += dp[i^j];
				else dp[i] -= dp[i^j];
			}
		}
		dp[i]%=mod;
      	if(dp[i] < 0) dp[i] += mod;
	}
	ll ans = dp[(1<<n)-1];
	if(ans&1) ans += mod;
	ans >>= 1;
	ans *= m; ans %= mod;
	cout << ans;
	return 0;
}

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 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	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	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	1 ms	212 KB	Output is correct
3	Correct	1 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	1 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	1 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	0 ms	212 KB	Output is correct
13	Correct	0 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	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 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	1 ms	212 KB	Output is correct
23	Correct	0 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	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 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	1 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	1 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	0 ms	212 KB	Output is correct
13	Correct	0 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	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 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	1 ms	212 KB	Output is correct
23	Correct	0 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	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 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	0 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 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	1 ms	212 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	1 ms	212 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	212 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Correct	1 ms	212 KB	Output is correct
49	Correct	1 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	1 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	1 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	212 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	1 ms	212 KB	Output is correct
3	Correct	1 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	1 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	1 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	0 ms	212 KB	Output is correct
13	Correct	0 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	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 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	1 ms	212 KB	Output is correct
23	Correct	0 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	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 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	0 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 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	1 ms	212 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	1 ms	212 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	212 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Correct	1 ms	212 KB	Output is correct
49	Correct	1 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	1 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	1 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	212 KB	Output is correct
64	Correct	1 ms	212 KB	Output is correct
65	Correct	9 ms	468 KB	Output is correct
66	Correct	8 ms	468 KB	Output is correct
67	Correct	8 ms	468 KB	Output is correct
68	Correct	9 ms	468 KB	Output is correct
69	Correct	10 ms	460 KB	Output is correct
70	Correct	9 ms	468 KB	Output is correct
71	Correct	8 ms	440 KB	Output is correct
72	Correct	7 ms	464 KB	Output is correct
73	Correct	8 ms	468 KB	Output is correct
74	Correct	8 ms	468 KB	Output is correct
75	Correct	7 ms	468 KB	Output is correct
76	Correct	7 ms	468 KB	Output is correct
77	Correct	28 ms	688 KB	Output is correct
78	Correct	25 ms	644 KB	Output is correct
79	Correct	24 ms	716 KB	Output is correct
80	Correct	21 ms	644 KB	Output is correct
81	Correct	20 ms	724 KB	Output is correct
82	Correct	19 ms	596 KB	Output is correct
83	Correct	19 ms	712 KB	Output is correct
84	Correct	18 ms	704 KB	Output is correct
85	Correct	27 ms	720 KB	Output is correct
86	Correct	25 ms	656 KB	Output is correct
87	Correct	22 ms	592 KB	Output is correct
88	Correct	18 ms	708 KB	Output is correct
89	Correct	24 ms	600 KB	Output is correct
90	Correct	21 ms	684 KB	Output is correct
91	Correct	19 ms	672 KB	Output is correct
92	Correct	17 ms	660 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	1 ms	212 KB	Output is correct
3	Correct	1 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	1 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	1 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	0 ms	212 KB	Output is correct
13	Correct	0 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	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 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	1 ms	212 KB	Output is correct
23	Correct	0 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	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 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	0 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 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	1 ms	212 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	1 ms	212 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	212 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Correct	1 ms	212 KB	Output is correct
49	Correct	1 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	1 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	1 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	212 KB	Output is correct
64	Correct	1 ms	212 KB	Output is correct
65	Correct	9 ms	468 KB	Output is correct
66	Correct	8 ms	468 KB	Output is correct
67	Correct	8 ms	468 KB	Output is correct
68	Correct	9 ms	468 KB	Output is correct
69	Correct	10 ms	460 KB	Output is correct
70	Correct	9 ms	468 KB	Output is correct
71	Correct	8 ms	440 KB	Output is correct
72	Correct	7 ms	464 KB	Output is correct
73	Correct	8 ms	468 KB	Output is correct
74	Correct	8 ms	468 KB	Output is correct
75	Correct	7 ms	468 KB	Output is correct
76	Correct	7 ms	468 KB	Output is correct
77	Correct	28 ms	688 KB	Output is correct
78	Correct	25 ms	644 KB	Output is correct
79	Correct	24 ms	716 KB	Output is correct
80	Correct	21 ms	644 KB	Output is correct
81	Correct	20 ms	724 KB	Output is correct
82	Correct	19 ms	596 KB	Output is correct
83	Correct	19 ms	712 KB	Output is correct
84	Correct	18 ms	704 KB	Output is correct
85	Correct	27 ms	720 KB	Output is correct
86	Correct	25 ms	656 KB	Output is correct
87	Correct	22 ms	592 KB	Output is correct
88	Correct	18 ms	708 KB	Output is correct
89	Correct	24 ms	600 KB	Output is correct
90	Correct	21 ms	684 KB	Output is correct
91	Correct	19 ms	672 KB	Output is correct
92	Correct	17 ms	660 KB	Output is correct
93	Correct	664 ms	3592 KB	Output is correct
94	Correct	683 ms	3576 KB	Output is correct
95	Correct	664 ms	3496 KB	Output is correct
96	Correct	614 ms	3612 KB	Output is correct
97	Correct	547 ms	3612 KB	Output is correct
98	Correct	562 ms	3604 KB	Output is correct
99	Correct	78 ms	1104 KB	Output is correct
100	Correct	66 ms	1104 KB	Output is correct
101	Correct	64 ms	1076 KB	Output is correct
102	Correct	59 ms	1100 KB	Output is correct
103	Correct	223 ms	1868 KB	Output is correct
104	Correct	200 ms	1924 KB	Output is correct
105	Correct	213 ms	1960 KB	Output is correct
106	Correct	182 ms	1904 KB	Output is correct
107	Correct	699 ms	3784 KB	Output is correct
108	Correct	562 ms	3572 KB	Output is correct
109	Correct	519 ms	3604 KB	Output is correct
110	Correct	462 ms	3436 KB	Output is correct
111	Correct	53 ms	1068 KB	Output is correct
112	Correct	49 ms	1076 KB	Output is correct
113	Correct	48 ms	1088 KB	Output is correct
114	Correct	76 ms	1116 KB	Output is correct
115	Correct	72 ms	1228 KB	Output is correct
116	Correct	64 ms	1024 KB	Output is correct
117	Correct	52 ms	1012 KB	Output is correct
118	Correct	68 ms	1072 KB	Output is correct
119	Correct	64 ms	1100 KB	Output is correct
120	Correct	54 ms	1020 KB	Output is correct
121	Correct	50 ms	980 KB	Output is correct
122	Correct	169 ms	1908 KB	Output is correct
123	Correct	152 ms	1880 KB	Output is correct
124	Correct	145 ms	1880 KB	Output is correct
125	Correct	144 ms	1888 KB	Output is correct
126	Correct	131 ms	1764 KB	Output is correct
127	Correct	124 ms	1868 KB	Output is correct
128	Correct	115 ms	1980 KB	Output is correct
129	Correct	110 ms	1848 KB	Output is correct
130	Correct	105 ms	1740 KB	Output is correct
131	Correct	226 ms	1896 KB	Output is correct
132	Correct	228 ms	1924 KB	Output is correct
133	Correct	193 ms	1896 KB	Output is correct
134	Correct	159 ms	1868 KB	Output is correct
135	Correct	199 ms	2024 KB	Output is correct
136	Correct	175 ms	1868 KB	Output is correct
137	Correct	155 ms	1844 KB	Output is correct
138	Correct	133 ms	1824 KB	Output is correct
139	Correct	179 ms	1948 KB	Output is correct
140	Correct	158 ms	1964 KB	Output is correct
141	Correct	125 ms	1740 KB	Output is correct
142	Correct	408 ms	3448 KB	Output is correct
143	Correct	383 ms	3364 KB	Output is correct
144	Correct	372 ms	3404 KB	Output is correct
145	Correct	350 ms	3344 KB	Output is correct
146	Correct	320 ms	3396 KB	Output is correct
147	Correct	292 ms	3384 KB	Output is correct
148	Correct	419 ms	3576 KB	Output is correct
149	Correct	407 ms	3492 KB	Output is correct
150	Correct	405 ms	3452 KB	Output is correct
151	Correct	412 ms	3412 KB	Output is correct
152	Correct	426 ms	3424 KB	Output is correct
153	Correct	606 ms	3564 KB	Output is correct
154	Correct	589 ms	3660 KB	Output is correct
155	Correct	484 ms	3592 KB	Output is correct
156	Correct	394 ms	3596 KB	Output is correct
157	Correct	531 ms	3416 KB	Output is correct
158	Correct	464 ms	3580 KB	Output is correct
159	Correct	545 ms	3660 KB	Output is correct
160	Correct	450 ms	3392 KB	Output is correct
161	Correct	357 ms	3376 KB	Output is correct
162	Correct	499 ms	3616 KB	Output is correct
163	Correct	446 ms	3564 KB	Output is correct
164	Correct	411 ms	3404 KB	Output is correct
165	Correct	400 ms	3352 KB	Output is correct
166	Correct	364 ms	3312 KB	Output is correct
167	Correct	337 ms	3336 KB	Output is correct

답안 #742060

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