Submission #696780

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
696780	2023-02-07T08:51:31 Z	vjudge1	Amusement Park (CEOI19_amusementpark)	C++17	100 / 100	2377 ms	3720 KB

amusementpark

#include<bits/stdc++.h>
using namespace std;
const int N=18,mod=998244353,inv2=499122177;
int n,m,a[500],b[500],coef[1<<N],dp[1<<N],d[1<<N];
int main(){
	scanf("%d%d",&n,&m);
	dp[0]=1;
	coef[0]=mod-1;
	for(int i=1;i<1<<n;i++)coef[i]=mod-coef[i&(i-1)];
	for(int i=1;i<=m;i++)scanf("%d%d",&a[i],&b[i]),a[i]--,b[i]--;
	for(int i=1;i<1<<n;i++){
		for(int o=1;o<=m;o++){
			if((i>>a[o]&1)&&(i>>b[o]&1))d[i]=1;
		}
	}
	for(int i=1;i<1<<n;i++){
		for(int o=i;o;o=((o-1)&i)){
			if(!d[o])dp[i]=(dp[i]+1ll*dp[i^o]*coef[o])%mod;
		}
	}
	printf("%lld\n",1ll*dp[(1<<n)-1]*m%mod*inv2%mod);
	return 0;
}

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:6:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |  scanf("%d%d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~
amusementpark.cpp:10:28: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  for(int i=1;i<=m;i++)scanf("%d%d",&a[i],&b[i]),a[i]--,b[i]--;
      |                       ~~~~~^~~~~~~~~~~~~~~~~~~~

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	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

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	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	0 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	1 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

#	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	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	0 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	1 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	260 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	0 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	0 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 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	0 ms	212 KB	Output is correct
43	Correct	0 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	1 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	1 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	312 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	340 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

#	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	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	0 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	1 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	260 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	0 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	0 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 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	0 ms	212 KB	Output is correct
43	Correct	0 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	1 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	1 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	312 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	340 KB	Output is correct
63	Correct	1 ms	212 KB	Output is correct
64	Correct	1 ms	212 KB	Output is correct
65	Correct	12 ms	476 KB	Output is correct
66	Correct	12 ms	468 KB	Output is correct
67	Correct	12 ms	468 KB	Output is correct
68	Correct	12 ms	460 KB	Output is correct
69	Correct	21 ms	468 KB	Output is correct
70	Correct	15 ms	500 KB	Output is correct
71	Correct	17 ms	508 KB	Output is correct
72	Correct	20 ms	468 KB	Output is correct
73	Correct	12 ms	468 KB	Output is correct
74	Correct	13 ms	500 KB	Output is correct
75	Correct	13 ms	468 KB	Output is correct
76	Correct	15 ms	476 KB	Output is correct
77	Correct	33 ms	596 KB	Output is correct
78	Correct	32 ms	820 KB	Output is correct
79	Correct	32 ms	636 KB	Output is correct
80	Correct	30 ms	672 KB	Output is correct
81	Correct	32 ms	704 KB	Output is correct
82	Correct	30 ms	676 KB	Output is correct
83	Correct	32 ms	644 KB	Output is correct
84	Correct	31 ms	692 KB	Output is correct
85	Correct	63 ms	656 KB	Output is correct
86	Correct	43 ms	632 KB	Output is correct
87	Correct	47 ms	652 KB	Output is correct
88	Correct	50 ms	572 KB	Output is correct
89	Correct	35 ms	680 KB	Output is correct
90	Correct	36 ms	656 KB	Output is correct
91	Correct	38 ms	596 KB	Output is correct
92	Correct	40 ms	568 KB	Output is correct

Subtask #5
37.0 / 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	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	0 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	1 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	260 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	0 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	0 ms	212 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	0 ms	212 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	1 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	0 ms	212 KB	Output is correct
43	Correct	0 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	1 ms	212 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	1 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	312 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	340 KB	Output is correct
63	Correct	1 ms	212 KB	Output is correct
64	Correct	1 ms	212 KB	Output is correct
65	Correct	12 ms	476 KB	Output is correct
66	Correct	12 ms	468 KB	Output is correct
67	Correct	12 ms	468 KB	Output is correct
68	Correct	12 ms	460 KB	Output is correct
69	Correct	21 ms	468 KB	Output is correct
70	Correct	15 ms	500 KB	Output is correct
71	Correct	17 ms	508 KB	Output is correct
72	Correct	20 ms	468 KB	Output is correct
73	Correct	12 ms	468 KB	Output is correct
74	Correct	13 ms	500 KB	Output is correct
75	Correct	13 ms	468 KB	Output is correct
76	Correct	15 ms	476 KB	Output is correct
77	Correct	33 ms	596 KB	Output is correct
78	Correct	32 ms	820 KB	Output is correct
79	Correct	32 ms	636 KB	Output is correct
80	Correct	30 ms	672 KB	Output is correct
81	Correct	32 ms	704 KB	Output is correct
82	Correct	30 ms	676 KB	Output is correct
83	Correct	32 ms	644 KB	Output is correct
84	Correct	31 ms	692 KB	Output is correct
85	Correct	63 ms	656 KB	Output is correct
86	Correct	43 ms	632 KB	Output is correct
87	Correct	47 ms	652 KB	Output is correct
88	Correct	50 ms	572 KB	Output is correct
89	Correct	35 ms	680 KB	Output is correct
90	Correct	36 ms	656 KB	Output is correct
91	Correct	38 ms	596 KB	Output is correct
92	Correct	40 ms	568 KB	Output is correct
93	Correct	1096 ms	3316 KB	Output is correct
94	Correct	1099 ms	3420 KB	Output is correct
95	Correct	1097 ms	3452 KB	Output is correct
96	Correct	808 ms	3268 KB	Output is correct
97	Correct	739 ms	3360 KB	Output is correct
98	Correct	853 ms	3456 KB	Output is correct
99	Correct	97 ms	1060 KB	Output is correct
100	Correct	85 ms	1072 KB	Output is correct
101	Correct	81 ms	1024 KB	Output is correct
102	Correct	79 ms	1228 KB	Output is correct
103	Correct	786 ms	1316 KB	Output is correct
104	Correct	419 ms	1872 KB	Output is correct
105	Correct	305 ms	1748 KB	Output is correct
106	Correct	235 ms	1804 KB	Output is correct
107	Correct	2377 ms	2672 KB	Output is correct
108	Correct	881 ms	3416 KB	Output is correct
109	Correct	651 ms	3364 KB	Output is correct
110	Correct	624 ms	3360 KB	Output is correct
111	Correct	77 ms	996 KB	Output is correct
112	Correct	75 ms	1024 KB	Output is correct
113	Correct	79 ms	1024 KB	Output is correct
114	Correct	185 ms	1196 KB	Output is correct
115	Correct	127 ms	1104 KB	Output is correct
116	Correct	137 ms	1144 KB	Output is correct
117	Correct	143 ms	996 KB	Output is correct
118	Correct	95 ms	980 KB	Output is correct
119	Correct	104 ms	1068 KB	Output is correct
120	Correct	113 ms	1004 KB	Output is correct
121	Correct	114 ms	1040 KB	Output is correct
122	Correct	236 ms	1740 KB	Output is correct
123	Correct	207 ms	1716 KB	Output is correct
124	Correct	202 ms	1884 KB	Output is correct
125	Correct	204 ms	1892 KB	Output is correct
126	Correct	200 ms	2012 KB	Output is correct
127	Correct	201 ms	1824 KB	Output is correct
128	Correct	214 ms	1912 KB	Output is correct
129	Correct	212 ms	1744 KB	Output is correct
130	Correct	218 ms	1804 KB	Output is correct
131	Correct	544 ms	1876 KB	Output is correct
132	Correct	379 ms	1812 KB	Output is correct
133	Correct	407 ms	1740 KB	Output is correct
134	Correct	428 ms	1676 KB	Output is correct
135	Correct	276 ms	1940 KB	Output is correct
136	Correct	297 ms	1816 KB	Output is correct
137	Correct	320 ms	1740 KB	Output is correct
138	Correct	333 ms	1676 KB	Output is correct
139	Correct	234 ms	1800 KB	Output is correct
140	Correct	268 ms	1720 KB	Output is correct
141	Correct	270 ms	1788 KB	Output is correct
142	Correct	543 ms	3332 KB	Output is correct
143	Correct	545 ms	3280 KB	Output is correct
144	Correct	550 ms	3416 KB	Output is correct
145	Correct	548 ms	3632 KB	Output is correct
146	Correct	557 ms	3356 KB	Output is correct
147	Correct	568 ms	3380 KB	Output is correct
148	Correct	566 ms	3448 KB	Output is correct
149	Correct	548 ms	3404 KB	Output is correct
150	Correct	555 ms	3336 KB	Output is correct
151	Correct	662 ms	3508 KB	Output is correct
152	Correct	651 ms	3352 KB	Output is correct
153	Correct	809 ms	3720 KB	Output is correct
154	Correct	802 ms	3352 KB	Output is correct
155	Correct	946 ms	3304 KB	Output is correct
156	Correct	984 ms	3208 KB	Output is correct
157	Correct	867 ms	3340 KB	Output is correct
158	Correct	947 ms	3424 KB	Output is correct
159	Correct	694 ms	3276 KB	Output is correct
160	Correct	731 ms	3276 KB	Output is correct
161	Correct	793 ms	3464 KB	Output is correct
162	Correct	619 ms	3244 KB	Output is correct
163	Correct	657 ms	3548 KB	Output is correct
164	Correct	602 ms	3244 KB	Output is correct
165	Correct	624 ms	3532 KB	Output is correct
166	Correct	665 ms	3332 KB	Output is correct
167	Correct	662 ms	3360 KB	Output is correct

Submission #696780

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