답안 #991815

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
991815	2024-06-03T07:59:36 Z	vjudge1	Amusement Park (CEOI19_amusementpark)	C++17	100 / 100	1901 ms	3684 KB

amusementpark

#include<bits/stdc++.h>
using namespace std;
int has[18][18],indep[1<<18];
long long dp[1<<18],mod=998244353;
long long ans;
int main(){
    int n,m;
    cin>>n>>m;
    for(int i=0;i<m;i++){
        int x,y;
        cin>>x>>y;
        x--,y--;
        has[x][y]=1;
        has[y][x]=1;
    }
    for(int i=0;i<1<<n;i++){
        vector<int>v;
        for(int j=0;j<n;j++)
            if(i&1<<j)
                v.push_back(j);
        for(int j=0;j<v.size();j++)
            for(int k=j+1;k<v.size();k++)
                indep[i]|=has[v[j]][v[k]];
        indep[i]^=1;
    }
    dp[0]=1;
    for(int i=1;i<1<<n;i++)
        for(int j=i-1&i;;j=j-1&i){
            int cnt=__builtin_popcount(i)-
                    __builtin_popcount(j);
            dp[i]=(dp[i]+mod+indep[i-j]*dp[j]*(cnt%2*2-1))%mod;
            if(!j) break;
        }
    cout<<(mod+1)/2*dp[(1<<n)-1]%mod*m%mod;
}

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |         for(int j=0;j<v.size();j++)
      |                     ~^~~~~~~~~
amusementpark.cpp:22:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |             for(int k=j+1;k<v.size();k++)
      |                           ~^~~~~~~~~
amusementpark.cpp:28:20: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   28 |         for(int j=i-1&i;;j=j-1&i){
      |                   ~^~
amusementpark.cpp:28:29: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   28 |         for(int j=i-1&i;;j=j-1&i){
      |                            ~^~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	452 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	1 ms	600 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	456 KB	Output is correct
45	Correct	1 ms	348 KB	Output is correct
46	Correct	1 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	1 ms	448 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	1 ms	348 KB	Output is correct
52	Correct	1 ms	348 KB	Output is correct
53	Correct	1 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	1 ms	448 KB	Output is correct
56	Correct	1 ms	348 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	1 ms	348 KB	Output is correct
59	Correct	1 ms	348 KB	Output is correct
60	Correct	1 ms	348 KB	Output is correct
61	Correct	1 ms	348 KB	Output is correct
62	Correct	1 ms	348 KB	Output is correct
63	Correct	1 ms	448 KB	Output is correct
64	Correct	1 ms	348 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	452 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	1 ms	600 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	456 KB	Output is correct
45	Correct	1 ms	348 KB	Output is correct
46	Correct	1 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	1 ms	448 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	1 ms	348 KB	Output is correct
52	Correct	1 ms	348 KB	Output is correct
53	Correct	1 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	1 ms	448 KB	Output is correct
56	Correct	1 ms	348 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	1 ms	348 KB	Output is correct
59	Correct	1 ms	348 KB	Output is correct
60	Correct	1 ms	348 KB	Output is correct
61	Correct	1 ms	348 KB	Output is correct
62	Correct	1 ms	348 KB	Output is correct
63	Correct	1 ms	448 KB	Output is correct
64	Correct	1 ms	348 KB	Output is correct
65	Correct	24 ms	600 KB	Output is correct
66	Correct	24 ms	604 KB	Output is correct
67	Correct	23 ms	604 KB	Output is correct
68	Correct	24 ms	556 KB	Output is correct
69	Correct	27 ms	608 KB	Output is correct
70	Correct	23 ms	608 KB	Output is correct
71	Correct	23 ms	640 KB	Output is correct
72	Correct	23 ms	604 KB	Output is correct
73	Correct	24 ms	632 KB	Output is correct
74	Correct	23 ms	628 KB	Output is correct
75	Correct	23 ms	532 KB	Output is correct
76	Correct	23 ms	604 KB	Output is correct
77	Correct	76 ms	676 KB	Output is correct
78	Correct	68 ms	604 KB	Output is correct
79	Correct	68 ms	604 KB	Output is correct
80	Correct	66 ms	604 KB	Output is correct
81	Correct	73 ms	604 KB	Output is correct
82	Correct	68 ms	604 KB	Output is correct
83	Correct	82 ms	604 KB	Output is correct
84	Correct	66 ms	712 KB	Output is correct
85	Correct	66 ms	752 KB	Output is correct
86	Correct	67 ms	604 KB	Output is correct
87	Correct	68 ms	604 KB	Output is correct
88	Correct	66 ms	604 KB	Output is correct
89	Correct	66 ms	604 KB	Output is correct
90	Correct	66 ms	604 KB	Output is correct
91	Correct	71 ms	728 KB	Output is correct
92	Correct	67 ms	736 KB	Output is correct

Subtask #5
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	452 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	1 ms	600 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	456 KB	Output is correct
45	Correct	1 ms	348 KB	Output is correct
46	Correct	1 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	1 ms	448 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	1 ms	348 KB	Output is correct
52	Correct	1 ms	348 KB	Output is correct
53	Correct	1 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	1 ms	448 KB	Output is correct
56	Correct	1 ms	348 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	1 ms	348 KB	Output is correct
59	Correct	1 ms	348 KB	Output is correct
60	Correct	1 ms	348 KB	Output is correct
61	Correct	1 ms	348 KB	Output is correct
62	Correct	1 ms	348 KB	Output is correct
63	Correct	1 ms	448 KB	Output is correct
64	Correct	1 ms	348 KB	Output is correct
65	Correct	24 ms	600 KB	Output is correct
66	Correct	24 ms	604 KB	Output is correct
67	Correct	23 ms	604 KB	Output is correct
68	Correct	24 ms	556 KB	Output is correct
69	Correct	27 ms	608 KB	Output is correct
70	Correct	23 ms	608 KB	Output is correct
71	Correct	23 ms	640 KB	Output is correct
72	Correct	23 ms	604 KB	Output is correct
73	Correct	24 ms	632 KB	Output is correct
74	Correct	23 ms	628 KB	Output is correct
75	Correct	23 ms	532 KB	Output is correct
76	Correct	23 ms	604 KB	Output is correct
77	Correct	76 ms	676 KB	Output is correct
78	Correct	68 ms	604 KB	Output is correct
79	Correct	68 ms	604 KB	Output is correct
80	Correct	66 ms	604 KB	Output is correct
81	Correct	73 ms	604 KB	Output is correct
82	Correct	68 ms	604 KB	Output is correct
83	Correct	82 ms	604 KB	Output is correct
84	Correct	66 ms	712 KB	Output is correct
85	Correct	66 ms	752 KB	Output is correct
86	Correct	67 ms	604 KB	Output is correct
87	Correct	68 ms	604 KB	Output is correct
88	Correct	66 ms	604 KB	Output is correct
89	Correct	66 ms	604 KB	Output is correct
90	Correct	66 ms	604 KB	Output is correct
91	Correct	71 ms	728 KB	Output is correct
92	Correct	67 ms	736 KB	Output is correct
93	Correct	1832 ms	3268 KB	Output is correct
94	Correct	1792 ms	3392 KB	Output is correct
95	Correct	1799 ms	3668 KB	Output is correct
96	Correct	1752 ms	3276 KB	Output is correct
97	Correct	1854 ms	3412 KB	Output is correct
98	Correct	1838 ms	3412 KB	Output is correct
99	Correct	199 ms	1112 KB	Output is correct
100	Correct	196 ms	1116 KB	Output is correct
101	Correct	191 ms	1120 KB	Output is correct
102	Correct	202 ms	1368 KB	Output is correct
103	Correct	579 ms	1876 KB	Output is correct
104	Correct	585 ms	2132 KB	Output is correct
105	Correct	584 ms	1876 KB	Output is correct
106	Correct	589 ms	1824 KB	Output is correct
107	Correct	1749 ms	3388 KB	Output is correct
108	Correct	1812 ms	3444 KB	Output is correct
109	Correct	1742 ms	3424 KB	Output is correct
110	Correct	1757 ms	3684 KB	Output is correct
111	Correct	191 ms	1236 KB	Output is correct
112	Correct	199 ms	992 KB	Output is correct
113	Correct	196 ms	1144 KB	Output is correct
114	Correct	192 ms	972 KB	Output is correct
115	Correct	191 ms	1108 KB	Output is correct
116	Correct	194 ms	1112 KB	Output is correct
117	Correct	193 ms	972 KB	Output is correct
118	Correct	220 ms	1104 KB	Output is correct
119	Correct	196 ms	1108 KB	Output is correct
120	Correct	191 ms	1108 KB	Output is correct
121	Correct	192 ms	1120 KB	Output is correct
122	Correct	606 ms	1840 KB	Output is correct
123	Correct	577 ms	1756 KB	Output is correct
124	Correct	574 ms	1916 KB	Output is correct
125	Correct	622 ms	1960 KB	Output is correct
126	Correct	597 ms	1904 KB	Output is correct
127	Correct	583 ms	1876 KB	Output is correct
128	Correct	580 ms	1876 KB	Output is correct
129	Correct	578 ms	1964 KB	Output is correct
130	Correct	585 ms	1876 KB	Output is correct
131	Correct	604 ms	1876 KB	Output is correct
132	Correct	575 ms	1832 KB	Output is correct
133	Correct	591 ms	1904 KB	Output is correct
134	Correct	592 ms	2212 KB	Output is correct
135	Correct	578 ms	1736 KB	Output is correct
136	Correct	625 ms	1880 KB	Output is correct
137	Correct	581 ms	1980 KB	Output is correct
138	Correct	585 ms	1888 KB	Output is correct
139	Correct	575 ms	1876 KB	Output is correct
140	Correct	576 ms	1956 KB	Output is correct
141	Correct	591 ms	1832 KB	Output is correct
142	Correct	1804 ms	3476 KB	Output is correct
143	Correct	1821 ms	3496 KB	Output is correct
144	Correct	1797 ms	3420 KB	Output is correct
145	Correct	1875 ms	3412 KB	Output is correct
146	Correct	1822 ms	3412 KB	Output is correct
147	Correct	1896 ms	3412 KB	Output is correct
148	Correct	1829 ms	3496 KB	Output is correct
149	Correct	1787 ms	3492 KB	Output is correct
150	Correct	1742 ms	3428 KB	Output is correct
151	Correct	1773 ms	3364 KB	Output is correct
152	Correct	1762 ms	3412 KB	Output is correct
153	Correct	1789 ms	3408 KB	Output is correct
154	Correct	1834 ms	3404 KB	Output is correct
155	Correct	1834 ms	3300 KB	Output is correct
156	Correct	1830 ms	3344 KB	Output is correct
157	Correct	1801 ms	3496 KB	Output is correct
158	Correct	1748 ms	3412 KB	Output is correct
159	Correct	1901 ms	3344 KB	Output is correct
160	Correct	1771 ms	3412 KB	Output is correct
161	Correct	1785 ms	3412 KB	Output is correct
162	Correct	1773 ms	3436 KB	Output is correct
163	Correct	1770 ms	3440 KB	Output is correct
164	Correct	1841 ms	3412 KB	Output is correct
165	Correct	1766 ms	3460 KB	Output is correct
166	Correct	1868 ms	3308 KB	Output is correct
167	Correct	1786 ms	3500 KB	Output is correct

답안 #991815

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