Submission #697239

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
697239	2023-02-09T00:20:40 Z	vjudge1	Amusement Park (CEOI19_amusementpark)	C++17	100 / 100	1721 ms	4772 KB

amusementpark

#include<bits/stdc++.h>
#define int long long 
using namespace std;
const int N=1001000,mod=998244353;
int n,m,f[N],e[20][20],rc[N];
signed main()
{
    scanf("%lld%lld",&n,&m);
    for(int i=1,x,y;i<=m;i++)
        scanf("%lld%lld",&x,&y),e[x-1][y-1]=e[y-1][x-1]=1;
    f[0]=1;
    for(int i=0;i<(1<<n);i++)
    {
        int sum=(i==0)?0:(__builtin_popcount(i));
        (sum%2==1)?(rc[i]=1):(rc[i]=-1);
        for(int j=0;j<n;j++)
            for(int k=j+1;k<n;k++)
                if(((i>>j)&1)&&((i>>k)&1)&&e[j][k])
                    rc[i]=0;
    }
    for(int i=1;i<(1<<n);i++)
        for(int j=i;j;j=((j-1)&i))
            f[i]=(f[i]+rc[j]*f[i^j]+mod)%mod;
    printf("%lld\n",f[(1<<n)-1]*m%mod*((mod+1)/2)%mod);
}

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     scanf("%lld%lld",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~~~~~
amusementpark.cpp:10:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |         scanf("%lld%lld",&x,&y),e[x-1][y-1]=e[y-1][x-1]=1;
      |         ~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	312 KB	Output is correct
2	Correct	0 ms	308 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	0 ms	212 KB	Output is correct
7	Correct	0 ms	308 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	312 KB	Output is correct
2	Correct	0 ms	308 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	0 ms	212 KB	Output is correct
7	Correct	0 ms	308 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	304 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 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	1 ms	212 KB	Output is correct
24	Correct	1 ms	308 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	312 KB	Output is correct
2	Correct	0 ms	308 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	0 ms	212 KB	Output is correct
7	Correct	0 ms	308 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	304 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 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	1 ms	212 KB	Output is correct
24	Correct	1 ms	308 KB	Output is correct
25	Correct	1 ms	304 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	308 KB	Output is correct
28	Correct	1 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	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	312 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	312 KB	Output is correct
38	Correct	1 ms	308 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	308 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	312 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	1 ms	308 KB	Output is correct
46	Correct	1 ms	212 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	212 KB	Output is correct
52	Correct	1 ms	212 KB	Output is correct
53	Correct	2 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	1 ms	212 KB	Output is correct
57	Correct	1 ms	316 KB	Output is correct
58	Correct	1 ms	212 KB	Output is correct
59	Correct	1 ms	304 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Correct	1 ms	312 KB	Output is correct
62	Correct	1 ms	340 KB	Output is correct
63	Correct	3 ms	212 KB	Output is correct
64	Correct	1 ms	308 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	312 KB	Output is correct
2	Correct	0 ms	308 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	0 ms	212 KB	Output is correct
7	Correct	0 ms	308 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	304 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 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	1 ms	212 KB	Output is correct
24	Correct	1 ms	308 KB	Output is correct
25	Correct	1 ms	304 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	308 KB	Output is correct
28	Correct	1 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	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	312 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	312 KB	Output is correct
38	Correct	1 ms	308 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	308 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	312 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	1 ms	308 KB	Output is correct
46	Correct	1 ms	212 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	212 KB	Output is correct
52	Correct	1 ms	212 KB	Output is correct
53	Correct	2 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	1 ms	212 KB	Output is correct
57	Correct	1 ms	316 KB	Output is correct
58	Correct	1 ms	212 KB	Output is correct
59	Correct	1 ms	304 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Correct	1 ms	312 KB	Output is correct
62	Correct	1 ms	340 KB	Output is correct
63	Correct	3 ms	212 KB	Output is correct
64	Correct	1 ms	308 KB	Output is correct
65	Correct	26 ms	468 KB	Output is correct
66	Correct	30 ms	568 KB	Output is correct
67	Correct	23 ms	544 KB	Output is correct
68	Correct	24 ms	468 KB	Output is correct
69	Correct	28 ms	508 KB	Output is correct
70	Correct	23 ms	544 KB	Output is correct
71	Correct	23 ms	560 KB	Output is correct
72	Correct	27 ms	468 KB	Output is correct
73	Correct	26 ms	468 KB	Output is correct
74	Correct	27 ms	468 KB	Output is correct
75	Correct	23 ms	532 KB	Output is correct
76	Correct	24 ms	468 KB	Output is correct
77	Correct	72 ms	724 KB	Output is correct
78	Correct	75 ms	808 KB	Output is correct
79	Correct	68 ms	796 KB	Output is correct
80	Correct	72 ms	812 KB	Output is correct
81	Correct	67 ms	816 KB	Output is correct
82	Correct	65 ms	744 KB	Output is correct
83	Correct	74 ms	764 KB	Output is correct
84	Correct	68 ms	804 KB	Output is correct
85	Correct	74 ms	812 KB	Output is correct
86	Correct	75 ms	748 KB	Output is correct
87	Correct	73 ms	784 KB	Output is correct
88	Correct	67 ms	800 KB	Output is correct
89	Correct	72 ms	780 KB	Output is correct
90	Correct	67 ms	804 KB	Output is correct
91	Correct	72 ms	832 KB	Output is correct
92	Correct	72 ms	784 KB	Output is correct

Subtask #5
37.0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	312 KB	Output is correct
2	Correct	0 ms	308 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	0 ms	212 KB	Output is correct
7	Correct	0 ms	308 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	304 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 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	1 ms	212 KB	Output is correct
24	Correct	1 ms	308 KB	Output is correct
25	Correct	1 ms	304 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	308 KB	Output is correct
28	Correct	1 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	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	312 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	312 KB	Output is correct
38	Correct	1 ms	308 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	308 KB	Output is correct
42	Correct	1 ms	212 KB	Output is correct
43	Correct	1 ms	312 KB	Output is correct
44	Correct	1 ms	212 KB	Output is correct
45	Correct	1 ms	308 KB	Output is correct
46	Correct	1 ms	212 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	212 KB	Output is correct
52	Correct	1 ms	212 KB	Output is correct
53	Correct	2 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	1 ms	340 KB	Output is correct
56	Correct	1 ms	212 KB	Output is correct
57	Correct	1 ms	316 KB	Output is correct
58	Correct	1 ms	212 KB	Output is correct
59	Correct	1 ms	304 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Correct	1 ms	312 KB	Output is correct
62	Correct	1 ms	340 KB	Output is correct
63	Correct	3 ms	212 KB	Output is correct
64	Correct	1 ms	308 KB	Output is correct
65	Correct	26 ms	468 KB	Output is correct
66	Correct	30 ms	568 KB	Output is correct
67	Correct	23 ms	544 KB	Output is correct
68	Correct	24 ms	468 KB	Output is correct
69	Correct	28 ms	508 KB	Output is correct
70	Correct	23 ms	544 KB	Output is correct
71	Correct	23 ms	560 KB	Output is correct
72	Correct	27 ms	468 KB	Output is correct
73	Correct	26 ms	468 KB	Output is correct
74	Correct	27 ms	468 KB	Output is correct
75	Correct	23 ms	532 KB	Output is correct
76	Correct	24 ms	468 KB	Output is correct
77	Correct	72 ms	724 KB	Output is correct
78	Correct	75 ms	808 KB	Output is correct
79	Correct	68 ms	796 KB	Output is correct
80	Correct	72 ms	812 KB	Output is correct
81	Correct	67 ms	816 KB	Output is correct
82	Correct	65 ms	744 KB	Output is correct
83	Correct	74 ms	764 KB	Output is correct
84	Correct	68 ms	804 KB	Output is correct
85	Correct	74 ms	812 KB	Output is correct
86	Correct	75 ms	748 KB	Output is correct
87	Correct	73 ms	784 KB	Output is correct
88	Correct	67 ms	800 KB	Output is correct
89	Correct	72 ms	780 KB	Output is correct
90	Correct	67 ms	804 KB	Output is correct
91	Correct	72 ms	832 KB	Output is correct
92	Correct	72 ms	784 KB	Output is correct
93	Correct	1696 ms	4328 KB	Output is correct
94	Correct	1635 ms	4332 KB	Output is correct
95	Correct	1650 ms	4292 KB	Output is correct
96	Correct	1721 ms	4400 KB	Output is correct
97	Correct	1624 ms	4396 KB	Output is correct
98	Correct	1673 ms	4384 KB	Output is correct
99	Correct	186 ms	1384 KB	Output is correct
100	Correct	197 ms	1252 KB	Output is correct
101	Correct	193 ms	1320 KB	Output is correct
102	Correct	186 ms	1260 KB	Output is correct
103	Correct	544 ms	2328 KB	Output is correct
104	Correct	557 ms	2300 KB	Output is correct
105	Correct	560 ms	2356 KB	Output is correct
106	Correct	560 ms	2332 KB	Output is correct
107	Correct	1632 ms	4284 KB	Output is correct
108	Correct	1640 ms	4320 KB	Output is correct
109	Correct	1661 ms	4336 KB	Output is correct
110	Correct	1712 ms	4324 KB	Output is correct
111	Correct	185 ms	1252 KB	Output is correct
112	Correct	185 ms	1440 KB	Output is correct
113	Correct	183 ms	1224 KB	Output is correct
114	Correct	187 ms	1268 KB	Output is correct
115	Correct	189 ms	1520 KB	Output is correct
116	Correct	188 ms	1220 KB	Output is correct
117	Correct	210 ms	1284 KB	Output is correct
118	Correct	187 ms	1324 KB	Output is correct
119	Correct	188 ms	1348 KB	Output is correct
120	Correct	185 ms	1328 KB	Output is correct
121	Correct	188 ms	1304 KB	Output is correct
122	Correct	569 ms	2344 KB	Output is correct
123	Correct	558 ms	2412 KB	Output is correct
124	Correct	552 ms	2248 KB	Output is correct
125	Correct	575 ms	2348 KB	Output is correct
126	Correct	558 ms	2336 KB	Output is correct
127	Correct	547 ms	2440 KB	Output is correct
128	Correct	543 ms	2432 KB	Output is correct
129	Correct	554 ms	2304 KB	Output is correct
130	Correct	584 ms	2312 KB	Output is correct
131	Correct	553 ms	2360 KB	Output is correct
132	Correct	554 ms	2448 KB	Output is correct
133	Correct	551 ms	2348 KB	Output is correct
134	Correct	559 ms	2400 KB	Output is correct
135	Correct	545 ms	2420 KB	Output is correct
136	Correct	545 ms	2356 KB	Output is correct
137	Correct	552 ms	2244 KB	Output is correct
138	Correct	540 ms	2424 KB	Output is correct
139	Correct	545 ms	2364 KB	Output is correct
140	Correct	567 ms	2316 KB	Output is correct
141	Correct	544 ms	2364 KB	Output is correct
142	Correct	1616 ms	4496 KB	Output is correct
143	Correct	1617 ms	4508 KB	Output is correct
144	Correct	1632 ms	4540 KB	Output is correct
145	Correct	1627 ms	4528 KB	Output is correct
146	Correct	1590 ms	4380 KB	Output is correct
147	Correct	1555 ms	4620 KB	Output is correct
148	Correct	1571 ms	4560 KB	Output is correct
149	Correct	1559 ms	4544 KB	Output is correct
150	Correct	1563 ms	4332 KB	Output is correct
151	Correct	1560 ms	4384 KB	Output is correct
152	Correct	1558 ms	4568 KB	Output is correct
153	Correct	1593 ms	4396 KB	Output is correct
154	Correct	1554 ms	4772 KB	Output is correct
155	Correct	1552 ms	4508 KB	Output is correct
156	Correct	1552 ms	4468 KB	Output is correct
157	Correct	1570 ms	4300 KB	Output is correct
158	Correct	1560 ms	4408 KB	Output is correct
159	Correct	1566 ms	4412 KB	Output is correct
160	Correct	1578 ms	4396 KB	Output is correct
161	Correct	1553 ms	4492 KB	Output is correct
162	Correct	1553 ms	4332 KB	Output is correct
163	Correct	1585 ms	4496 KB	Output is correct
164	Correct	1557 ms	4516 KB	Output is correct
165	Correct	1555 ms	4376 KB	Output is correct
166	Correct	1571 ms	4436 KB	Output is correct
167	Correct	1553 ms	4476 KB	Output is correct

Submission #697239

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