Submission #348742

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
348742	2021-01-15T15:56:12 Z	doowey	Amusement Park (CEOI19_amusementpark)	C++14	42 / 100	43 ms	18796 KB

amusementpark

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

const int N = 18;
const int MOD = 998244353;
int mask[N];
map<int,int> dp[1<<N];

void add(int &a, int b){
    a += b;
}

int main(){
    fastIO;
    int n,m;
    cin >> n >> m;
    int u, v;
    for(int i = 1; i <= m; i ++ ){
        cin >> u >> v;
        u--;
        v--;
        mask[u] |= (1 << v);
        mask[v] |= (1 << u);
    }
    dp[0][(1<<n)-1]=1;
    int cur, msk;
    int val;
    int nah;
    for(int i = 0 ; i < (1 << n); i ++ ){
        for(auto x : dp[i]){
            cur = i;
            msk = x.fi;
            val = x.se;
            for(int nx = 0 ; nx < n; nx ++ ){
                if((msk & (1 << nx))){
                    nah = (msk & (((1<<n)-1)-((1<<(nx+1))-1)));
                    nah = (nah | ((mask[nx]|i)^i));
                    add(dp[(i|(1<<nx))][nah],val);
                }
            }
        }
    }
    int sol = dp[(1<<n)-1][0];
    sol = (sol * 1ll * m) % MOD;
    sol = (sol * 1ll * (MOD+1)/2) % MOD;
    cout << sol << "\n";
    return 0;
}

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:35:9: warning: variable 'cur' set but not used [-Wunused-but-set-variable]
   35 |     int cur, msk;
      |         ^~~

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	12652 KB	Output is correct
2	Correct	9 ms	12652 KB	Output is correct
3	Correct	9 ms	12652 KB	Output is correct
4	Correct	9 ms	12652 KB	Output is correct
5	Correct	9 ms	12652 KB	Output is correct
6	Correct	9 ms	12652 KB	Output is correct
7	Correct	9 ms	12652 KB	Output is correct
8	Correct	9 ms	12652 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	12652 KB	Output is correct
2	Correct	9 ms	12652 KB	Output is correct
3	Correct	9 ms	12652 KB	Output is correct
4	Correct	9 ms	12652 KB	Output is correct
5	Correct	9 ms	12652 KB	Output is correct
6	Correct	9 ms	12652 KB	Output is correct
7	Correct	9 ms	12652 KB	Output is correct
8	Correct	9 ms	12652 KB	Output is correct
9	Correct	9 ms	12652 KB	Output is correct
10	Correct	9 ms	12652 KB	Output is correct
11	Correct	9 ms	12652 KB	Output is correct
12	Correct	9 ms	12652 KB	Output is correct
13	Correct	9 ms	12672 KB	Output is correct
14	Correct	9 ms	12652 KB	Output is correct
15	Correct	9 ms	12652 KB	Output is correct
16	Correct	9 ms	12652 KB	Output is correct
17	Correct	9 ms	12652 KB	Output is correct
18	Correct	9 ms	12652 KB	Output is correct
19	Correct	9 ms	12652 KB	Output is correct
20	Correct	9 ms	12652 KB	Output is correct
21	Correct	9 ms	12652 KB	Output is correct
22	Correct	9 ms	12652 KB	Output is correct
23	Correct	9 ms	12652 KB	Output is correct
24	Correct	9 ms	12652 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	12652 KB	Output is correct
2	Correct	9 ms	12652 KB	Output is correct
3	Correct	9 ms	12652 KB	Output is correct
4	Correct	9 ms	12652 KB	Output is correct
5	Correct	9 ms	12652 KB	Output is correct
6	Correct	9 ms	12652 KB	Output is correct
7	Correct	9 ms	12652 KB	Output is correct
8	Correct	9 ms	12652 KB	Output is correct
9	Correct	9 ms	12652 KB	Output is correct
10	Correct	9 ms	12652 KB	Output is correct
11	Correct	9 ms	12652 KB	Output is correct
12	Correct	9 ms	12652 KB	Output is correct
13	Correct	9 ms	12672 KB	Output is correct
14	Correct	9 ms	12652 KB	Output is correct
15	Correct	9 ms	12652 KB	Output is correct
16	Correct	9 ms	12652 KB	Output is correct
17	Correct	9 ms	12652 KB	Output is correct
18	Correct	9 ms	12652 KB	Output is correct
19	Correct	9 ms	12652 KB	Output is correct
20	Correct	9 ms	12652 KB	Output is correct
21	Correct	9 ms	12652 KB	Output is correct
22	Correct	9 ms	12652 KB	Output is correct
23	Correct	9 ms	12652 KB	Output is correct
24	Correct	9 ms	12652 KB	Output is correct
25	Correct	9 ms	12672 KB	Output is correct
26	Correct	9 ms	12652 KB	Output is correct
27	Correct	9 ms	12652 KB	Output is correct
28	Correct	9 ms	12652 KB	Output is correct
29	Correct	9 ms	12652 KB	Output is correct
30	Correct	9 ms	12652 KB	Output is correct
31	Correct	9 ms	12652 KB	Output is correct
32	Correct	9 ms	12652 KB	Output is correct
33	Correct	9 ms	12652 KB	Output is correct
34	Correct	9 ms	12660 KB	Output is correct
35	Correct	9 ms	12652 KB	Output is correct
36	Correct	9 ms	12652 KB	Output is correct
37	Correct	9 ms	12652 KB	Output is correct
38	Correct	9 ms	12652 KB	Output is correct
39	Correct	9 ms	12652 KB	Output is correct
40	Correct	9 ms	12652 KB	Output is correct
41	Correct	9 ms	12652 KB	Output is correct
42	Correct	9 ms	12652 KB	Output is correct
43	Correct	9 ms	12652 KB	Output is correct
44	Correct	9 ms	12652 KB	Output is correct
45	Correct	9 ms	12672 KB	Output is correct
46	Correct	9 ms	12652 KB	Output is correct
47	Correct	9 ms	12652 KB	Output is correct
48	Correct	9 ms	12652 KB	Output is correct
49	Correct	9 ms	12780 KB	Output is correct
50	Correct	9 ms	12652 KB	Output is correct
51	Correct	9 ms	12652 KB	Output is correct
52	Correct	9 ms	12652 KB	Output is correct
53	Correct	9 ms	12780 KB	Output is correct
54	Correct	9 ms	12780 KB	Output is correct
55	Correct	9 ms	12908 KB	Output is correct
56	Correct	10 ms	12780 KB	Output is correct
57	Correct	9 ms	12780 KB	Output is correct
58	Correct	9 ms	12800 KB	Output is correct
59	Correct	9 ms	12780 KB	Output is correct
60	Correct	9 ms	12652 KB	Output is correct
61	Correct	9 ms	12780 KB	Output is correct
62	Correct	9 ms	12780 KB	Output is correct
63	Correct	9 ms	12780 KB	Output is correct
64	Correct	9 ms	12780 KB	Output is correct

Subtask #4
0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	12652 KB	Output is correct
2	Correct	9 ms	12652 KB	Output is correct
3	Correct	9 ms	12652 KB	Output is correct
4	Correct	9 ms	12652 KB	Output is correct
5	Correct	9 ms	12652 KB	Output is correct
6	Correct	9 ms	12652 KB	Output is correct
7	Correct	9 ms	12652 KB	Output is correct
8	Correct	9 ms	12652 KB	Output is correct
9	Correct	9 ms	12652 KB	Output is correct
10	Correct	9 ms	12652 KB	Output is correct
11	Correct	9 ms	12652 KB	Output is correct
12	Correct	9 ms	12652 KB	Output is correct
13	Correct	9 ms	12672 KB	Output is correct
14	Correct	9 ms	12652 KB	Output is correct
15	Correct	9 ms	12652 KB	Output is correct
16	Correct	9 ms	12652 KB	Output is correct
17	Correct	9 ms	12652 KB	Output is correct
18	Correct	9 ms	12652 KB	Output is correct
19	Correct	9 ms	12652 KB	Output is correct
20	Correct	9 ms	12652 KB	Output is correct
21	Correct	9 ms	12652 KB	Output is correct
22	Correct	9 ms	12652 KB	Output is correct
23	Correct	9 ms	12652 KB	Output is correct
24	Correct	9 ms	12652 KB	Output is correct
25	Correct	9 ms	12672 KB	Output is correct
26	Correct	9 ms	12652 KB	Output is correct
27	Correct	9 ms	12652 KB	Output is correct
28	Correct	9 ms	12652 KB	Output is correct
29	Correct	9 ms	12652 KB	Output is correct
30	Correct	9 ms	12652 KB	Output is correct
31	Correct	9 ms	12652 KB	Output is correct
32	Correct	9 ms	12652 KB	Output is correct
33	Correct	9 ms	12652 KB	Output is correct
34	Correct	9 ms	12660 KB	Output is correct
35	Correct	9 ms	12652 KB	Output is correct
36	Correct	9 ms	12652 KB	Output is correct
37	Correct	9 ms	12652 KB	Output is correct
38	Correct	9 ms	12652 KB	Output is correct
39	Correct	9 ms	12652 KB	Output is correct
40	Correct	9 ms	12652 KB	Output is correct
41	Correct	9 ms	12652 KB	Output is correct
42	Correct	9 ms	12652 KB	Output is correct
43	Correct	9 ms	12652 KB	Output is correct
44	Correct	9 ms	12652 KB	Output is correct
45	Correct	9 ms	12672 KB	Output is correct
46	Correct	9 ms	12652 KB	Output is correct
47	Correct	9 ms	12652 KB	Output is correct
48	Correct	9 ms	12652 KB	Output is correct
49	Correct	9 ms	12780 KB	Output is correct
50	Correct	9 ms	12652 KB	Output is correct
51	Correct	9 ms	12652 KB	Output is correct
52	Correct	9 ms	12652 KB	Output is correct
53	Correct	9 ms	12780 KB	Output is correct
54	Correct	9 ms	12780 KB	Output is correct
55	Correct	9 ms	12908 KB	Output is correct
56	Correct	10 ms	12780 KB	Output is correct
57	Correct	9 ms	12780 KB	Output is correct
58	Correct	9 ms	12800 KB	Output is correct
59	Correct	9 ms	12780 KB	Output is correct
60	Correct	9 ms	12652 KB	Output is correct
61	Correct	9 ms	12780 KB	Output is correct
62	Correct	9 ms	12780 KB	Output is correct
63	Correct	9 ms	12780 KB	Output is correct
64	Correct	9 ms	12780 KB	Output is correct
65	Correct	32 ms	17396 KB	Output is correct
66	Correct	43 ms	18796 KB	Output is correct
67	Correct	39 ms	18304 KB	Output is correct
68	Incorrect	39 ms	18028 KB	Output isn't correct
69	Halted	0 ms	0 KB	-

Subtask #5
0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	12652 KB	Output is correct
2	Correct	9 ms	12652 KB	Output is correct
3	Correct	9 ms	12652 KB	Output is correct
4	Correct	9 ms	12652 KB	Output is correct
5	Correct	9 ms	12652 KB	Output is correct
6	Correct	9 ms	12652 KB	Output is correct
7	Correct	9 ms	12652 KB	Output is correct
8	Correct	9 ms	12652 KB	Output is correct
9	Correct	9 ms	12652 KB	Output is correct
10	Correct	9 ms	12652 KB	Output is correct
11	Correct	9 ms	12652 KB	Output is correct
12	Correct	9 ms	12652 KB	Output is correct
13	Correct	9 ms	12672 KB	Output is correct
14	Correct	9 ms	12652 KB	Output is correct
15	Correct	9 ms	12652 KB	Output is correct
16	Correct	9 ms	12652 KB	Output is correct
17	Correct	9 ms	12652 KB	Output is correct
18	Correct	9 ms	12652 KB	Output is correct
19	Correct	9 ms	12652 KB	Output is correct
20	Correct	9 ms	12652 KB	Output is correct
21	Correct	9 ms	12652 KB	Output is correct
22	Correct	9 ms	12652 KB	Output is correct
23	Correct	9 ms	12652 KB	Output is correct
24	Correct	9 ms	12652 KB	Output is correct
25	Correct	9 ms	12672 KB	Output is correct
26	Correct	9 ms	12652 KB	Output is correct
27	Correct	9 ms	12652 KB	Output is correct
28	Correct	9 ms	12652 KB	Output is correct
29	Correct	9 ms	12652 KB	Output is correct
30	Correct	9 ms	12652 KB	Output is correct
31	Correct	9 ms	12652 KB	Output is correct
32	Correct	9 ms	12652 KB	Output is correct
33	Correct	9 ms	12652 KB	Output is correct
34	Correct	9 ms	12660 KB	Output is correct
35	Correct	9 ms	12652 KB	Output is correct
36	Correct	9 ms	12652 KB	Output is correct
37	Correct	9 ms	12652 KB	Output is correct
38	Correct	9 ms	12652 KB	Output is correct
39	Correct	9 ms	12652 KB	Output is correct
40	Correct	9 ms	12652 KB	Output is correct
41	Correct	9 ms	12652 KB	Output is correct
42	Correct	9 ms	12652 KB	Output is correct
43	Correct	9 ms	12652 KB	Output is correct
44	Correct	9 ms	12652 KB	Output is correct
45	Correct	9 ms	12672 KB	Output is correct
46	Correct	9 ms	12652 KB	Output is correct
47	Correct	9 ms	12652 KB	Output is correct
48	Correct	9 ms	12652 KB	Output is correct
49	Correct	9 ms	12780 KB	Output is correct
50	Correct	9 ms	12652 KB	Output is correct
51	Correct	9 ms	12652 KB	Output is correct
52	Correct	9 ms	12652 KB	Output is correct
53	Correct	9 ms	12780 KB	Output is correct
54	Correct	9 ms	12780 KB	Output is correct
55	Correct	9 ms	12908 KB	Output is correct
56	Correct	10 ms	12780 KB	Output is correct
57	Correct	9 ms	12780 KB	Output is correct
58	Correct	9 ms	12800 KB	Output is correct
59	Correct	9 ms	12780 KB	Output is correct
60	Correct	9 ms	12652 KB	Output is correct
61	Correct	9 ms	12780 KB	Output is correct
62	Correct	9 ms	12780 KB	Output is correct
63	Correct	9 ms	12780 KB	Output is correct
64	Correct	9 ms	12780 KB	Output is correct
65	Correct	32 ms	17396 KB	Output is correct
66	Correct	43 ms	18796 KB	Output is correct
67	Correct	39 ms	18304 KB	Output is correct
68	Incorrect	39 ms	18028 KB	Output isn't correct
69	Halted	0 ms	0 KB	-

Submission #348742

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 12.0 / 12.0

Subtask #3 23.0 / 23.0

Subtask #4 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
0 / 21.0

Subtask #5
0 / 37.0