Submission #742057

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
742057	2023-05-15T13:36:06 Z	nishkarsh	Amusement Park (CEOI19_amusementpark)	C++14	63 / 100	799 ms	3780 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;
	}
	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

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 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	1 ms	212 KB	Output is correct
5	Correct	1 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	2 ms	212 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 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	1 ms	212 KB	Output is correct
5	Correct	1 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	2 ms	212 KB	Output is correct
9	Correct	1 ms	308 KB	Output is correct
10	Correct	1 ms	316 KB	Output is correct
11	Correct	1 ms	340 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	308 KB	Output is correct
15	Correct	0 ms	312 KB	Output is correct
16	Correct	1 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	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	316 KB	Output is correct
23	Correct	1 ms	312 KB	Output is correct
24	Correct	1 ms	312 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 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	1 ms	212 KB	Output is correct
5	Correct	1 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	2 ms	212 KB	Output is correct
9	Correct	1 ms	308 KB	Output is correct
10	Correct	1 ms	316 KB	Output is correct
11	Correct	1 ms	340 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	308 KB	Output is correct
15	Correct	0 ms	312 KB	Output is correct
16	Correct	1 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	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	316 KB	Output is correct
23	Correct	1 ms	312 KB	Output is correct
24	Correct	1 ms	312 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	304 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	1 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	1 ms	212 KB	Output is correct
38	Correct	1 ms	340 KB	Output is correct
39	Correct	1 ms	316 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	308 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	1 ms	324 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	1 ms	212 KB	Output is correct
49	Correct	1 ms	312 KB	Output is correct
50	Correct	1 ms	308 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	1 ms	308 KB	Output is correct
55	Correct	1 ms	312 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	1 ms	340 KB	Output is correct
58	Correct	1 ms	340 KB	Output is correct
59	Correct	1 ms	340 KB	Output is correct
60	Correct	1 ms	340 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	340 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 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	1 ms	212 KB	Output is correct
5	Correct	1 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	2 ms	212 KB	Output is correct
9	Correct	1 ms	308 KB	Output is correct
10	Correct	1 ms	316 KB	Output is correct
11	Correct	1 ms	340 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	308 KB	Output is correct
15	Correct	0 ms	312 KB	Output is correct
16	Correct	1 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	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	316 KB	Output is correct
23	Correct	1 ms	312 KB	Output is correct
24	Correct	1 ms	312 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	304 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	1 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	1 ms	212 KB	Output is correct
38	Correct	1 ms	340 KB	Output is correct
39	Correct	1 ms	316 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	308 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	1 ms	324 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	1 ms	212 KB	Output is correct
49	Correct	1 ms	312 KB	Output is correct
50	Correct	1 ms	308 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	1 ms	308 KB	Output is correct
55	Correct	1 ms	312 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	1 ms	340 KB	Output is correct
58	Correct	1 ms	340 KB	Output is correct
59	Correct	1 ms	340 KB	Output is correct
60	Correct	1 ms	340 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	340 KB	Output is correct
65	Correct	8 ms	524 KB	Output is correct
66	Correct	9 ms	468 KB	Output is correct
67	Correct	8 ms	524 KB	Output is correct
68	Correct	8 ms	468 KB	Output is correct
69	Correct	14 ms	444 KB	Output is correct
70	Correct	13 ms	436 KB	Output is correct
71	Correct	9 ms	456 KB	Output is correct
72	Correct	7 ms	440 KB	Output is correct
73	Correct	9 ms	468 KB	Output is correct
74	Correct	8 ms	436 KB	Output is correct
75	Correct	8 ms	468 KB	Output is correct
76	Correct	7 ms	468 KB	Output is correct
77	Correct	27 ms	716 KB	Output is correct
78	Correct	25 ms	652 KB	Output is correct
79	Correct	25 ms	668 KB	Output is correct
80	Correct	22 ms	680 KB	Output is correct
81	Correct	24 ms	688 KB	Output is correct
82	Correct	19 ms	692 KB	Output is correct
83	Correct	18 ms	680 KB	Output is correct
84	Correct	16 ms	692 KB	Output is correct
85	Correct	32 ms	672 KB	Output is correct
86	Correct	29 ms	724 KB	Output is correct
87	Correct	25 ms	724 KB	Output is correct
88	Correct	18 ms	692 KB	Output is correct
89	Correct	25 ms	696 KB	Output is correct
90	Correct	25 ms	652 KB	Output is correct
91	Correct	26 ms	640 KB	Output is correct
92	Correct	19 ms	724 KB	Output is correct

Subtask #5
0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 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	1 ms	212 KB	Output is correct
5	Correct	1 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	2 ms	212 KB	Output is correct
9	Correct	1 ms	308 KB	Output is correct
10	Correct	1 ms	316 KB	Output is correct
11	Correct	1 ms	340 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	308 KB	Output is correct
15	Correct	0 ms	312 KB	Output is correct
16	Correct	1 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	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	316 KB	Output is correct
23	Correct	1 ms	312 KB	Output is correct
24	Correct	1 ms	312 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	304 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	1 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	1 ms	212 KB	Output is correct
38	Correct	1 ms	340 KB	Output is correct
39	Correct	1 ms	316 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	308 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	1 ms	324 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	1 ms	212 KB	Output is correct
49	Correct	1 ms	312 KB	Output is correct
50	Correct	1 ms	308 KB	Output is correct
51	Correct	1 ms	340 KB	Output is correct
52	Correct	1 ms	340 KB	Output is correct
53	Correct	1 ms	340 KB	Output is correct
54	Correct	1 ms	308 KB	Output is correct
55	Correct	1 ms	312 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	1 ms	340 KB	Output is correct
58	Correct	1 ms	340 KB	Output is correct
59	Correct	1 ms	340 KB	Output is correct
60	Correct	1 ms	340 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	340 KB	Output is correct
65	Correct	8 ms	524 KB	Output is correct
66	Correct	9 ms	468 KB	Output is correct
67	Correct	8 ms	524 KB	Output is correct
68	Correct	8 ms	468 KB	Output is correct
69	Correct	14 ms	444 KB	Output is correct
70	Correct	13 ms	436 KB	Output is correct
71	Correct	9 ms	456 KB	Output is correct
72	Correct	7 ms	440 KB	Output is correct
73	Correct	9 ms	468 KB	Output is correct
74	Correct	8 ms	436 KB	Output is correct
75	Correct	8 ms	468 KB	Output is correct
76	Correct	7 ms	468 KB	Output is correct
77	Correct	27 ms	716 KB	Output is correct
78	Correct	25 ms	652 KB	Output is correct
79	Correct	25 ms	668 KB	Output is correct
80	Correct	22 ms	680 KB	Output is correct
81	Correct	24 ms	688 KB	Output is correct
82	Correct	19 ms	692 KB	Output is correct
83	Correct	18 ms	680 KB	Output is correct
84	Correct	16 ms	692 KB	Output is correct
85	Correct	32 ms	672 KB	Output is correct
86	Correct	29 ms	724 KB	Output is correct
87	Correct	25 ms	724 KB	Output is correct
88	Correct	18 ms	692 KB	Output is correct
89	Correct	25 ms	696 KB	Output is correct
90	Correct	25 ms	652 KB	Output is correct
91	Correct	26 ms	640 KB	Output is correct
92	Correct	19 ms	724 KB	Output is correct
93	Correct	799 ms	3696 KB	Output is correct
94	Correct	768 ms	3600 KB	Output is correct
95	Correct	749 ms	3528 KB	Output is correct
96	Correct	659 ms	3568 KB	Output is correct
97	Correct	581 ms	3780 KB	Output is correct
98	Correct	681 ms	3596 KB	Output is correct
99	Correct	81 ms	1044 KB	Output is correct
100	Correct	69 ms	1088 KB	Output is correct
101	Correct	66 ms	1072 KB	Output is correct
102	Correct	59 ms	1104 KB	Output is correct
103	Correct	287 ms	1956 KB	Output is correct
104	Correct	200 ms	1936 KB	Output is correct
105	Correct	205 ms	1936 KB	Output is correct
106	Correct	215 ms	1908 KB	Output is correct
107	Correct	664 ms	3580 KB	Output is correct
108	Correct	569 ms	3560 KB	Output is correct
109	Correct	538 ms	3496 KB	Output is correct
110	Incorrect	480 ms	3360 KB	Output isn't correct
111	Halted	0 ms	0 KB	-

Submission #742057

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 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
0 / 37.0