Submission #908727

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
908727	2024-01-16T17:43:59 Z	amirhoseinfar1385	Amusement Park (CEOI19_amusementpark)	C++17	63 / 100	3000 ms	450612 KB

amusementpark

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
#include<bits/stdc++.h>
using namespace std;
const int maxn=15,maxm=14348907,mod=998244353;
int pd[maxm],t[(1<<maxn)];
long long mypow(long long m,long long y){
    if(y==0){
        return 1;
    }
    long long p=mypow(m,(y>>1));
    p*=p;
    p%=mod;
    if(y&1){
        p*=m;
        p%=mod;
    }
    return p;
}

int ww(int a){
	if(a>=mod){
		a-=mod;
	}
	return a;
}

pair<int,int>tab2(int a){
	int now=0;
	pair<int,int>ret=make_pair(0,0);
	while(a!=0){
		if(a%3==1){
			ret.first+=(1<<now);
		}else if(a%3==2){
			ret.second+=(1<<now);
		}
		now++;
		a/=3;
	}
	return ret;
}

int back3(int a,int b){
	int ret=t[a]+2*t[b];
	return ret;
}
vector<int>tartib[18];
int adj[maxn],adja[maxn];
int n,m;

void aval(){
	int nx=1;
	for(int i=0;i<(1<<n);i++){
		int now=1,ret=0;
		for(int j=0;j<n;j++){
			if((i>>j)&1){
				ret+=now;
			}
			now*=3;
		}
		t[i]=ret;
	}
	for(int i=1;i<=n;i++){
		nx*=3;
	}
	for(int i=0;i<nx;i++){
		pair<int,int>fake=tab2(i);
		tartib[__builtin_popcount(fake.first)].push_back(i);
	}
}

void solve(){
	for(int i=0;i<maxn;i++){
		for(auto x:tartib[i]){
			pair<int,int>now=tab2(x);
			for(int j=0;j<n;j++){
				if((now.second>>j)&1){
					now.second^=(1<<j);
					pair<int,int>fake=now;
					fake.first|=(1<<j);
					fake.second|=(adj[j]^(adj[j]&now.first));
					int tof=back3(fake.first,fake.second);
					pd[tof]+=pd[x];
					pd[tof]=ww(pd[tof]);
				}
			}
		}
	}
}

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>m;
	aval();	
	for(int i=0;i<m;i++){
		int u,v;
		cin>>u>>v;
		u--;
		v--;
		adj[u]|=(1<<v);
		adj[v]|=(1<<u);
		adja[u]|=(1<<v);
	}
	pd[back3(0,(1<<n)-1)]=1;
	solve();
	int res=back3((1<<n)-1,0);
	pd[res]=1ll*pd[res]*m%mod;
	pd[res]=1ll*pd[res]*mypow(2,mod-2)%mod;
	cout<<pd[res]<<"\n";
}

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 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	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 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	0 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	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 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	0 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	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	344 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	344 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	3 ms	2652 KB	Output is correct
40	Correct	2 ms	2648 KB	Output is correct
41	Correct	3 ms	2648 KB	Output is correct
42	Correct	4 ms	2648 KB	Output is correct
43	Correct	3 ms	2648 KB	Output is correct
44	Correct	2 ms	2652 KB	Output is correct
45	Correct	3 ms	2652 KB	Output is correct
46	Correct	2 ms	2652 KB	Output is correct
47	Correct	2 ms	2668 KB	Output is correct
48	Correct	3 ms	2648 KB	Output is correct
49	Correct	3 ms	2652 KB	Output is correct
50	Correct	2 ms	2652 KB	Output is correct
51	Correct	2 ms	2672 KB	Output is correct
52	Correct	6 ms	2908 KB	Output is correct
53	Correct	6 ms	2816 KB	Output is correct
54	Correct	8 ms	2908 KB	Output is correct
55	Correct	8 ms	2652 KB	Output is correct
56	Correct	6 ms	2688 KB	Output is correct
57	Correct	6 ms	2664 KB	Output is correct
58	Correct	6 ms	2652 KB	Output is correct
59	Correct	6 ms	2648 KB	Output is correct
60	Correct	6 ms	2648 KB	Output is correct
61	Correct	6 ms	2908 KB	Output is correct
62	Correct	7 ms	2908 KB	Output is correct
63	Correct	6 ms	2652 KB	Output is correct
64	Correct	6 ms	2652 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 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	0 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	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	344 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	344 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	3 ms	2652 KB	Output is correct
40	Correct	2 ms	2648 KB	Output is correct
41	Correct	3 ms	2648 KB	Output is correct
42	Correct	4 ms	2648 KB	Output is correct
43	Correct	3 ms	2648 KB	Output is correct
44	Correct	2 ms	2652 KB	Output is correct
45	Correct	3 ms	2652 KB	Output is correct
46	Correct	2 ms	2652 KB	Output is correct
47	Correct	2 ms	2668 KB	Output is correct
48	Correct	3 ms	2648 KB	Output is correct
49	Correct	3 ms	2652 KB	Output is correct
50	Correct	2 ms	2652 KB	Output is correct
51	Correct	2 ms	2672 KB	Output is correct
52	Correct	6 ms	2908 KB	Output is correct
53	Correct	6 ms	2816 KB	Output is correct
54	Correct	8 ms	2908 KB	Output is correct
55	Correct	8 ms	2652 KB	Output is correct
56	Correct	6 ms	2688 KB	Output is correct
57	Correct	6 ms	2664 KB	Output is correct
58	Correct	6 ms	2652 KB	Output is correct
59	Correct	6 ms	2648 KB	Output is correct
60	Correct	6 ms	2648 KB	Output is correct
61	Correct	6 ms	2908 KB	Output is correct
62	Correct	7 ms	2908 KB	Output is correct
63	Correct	6 ms	2652 KB	Output is correct
64	Correct	6 ms	2652 KB	Output is correct
65	Correct	582 ms	40904 KB	Output is correct
66	Correct	557 ms	39160 KB	Output is correct
67	Correct	593 ms	37516 KB	Output is correct
68	Correct	561 ms	34496 KB	Output is correct
69	Correct	546 ms	43588 KB	Output is correct
70	Correct	541 ms	43228 KB	Output is correct
71	Correct	541 ms	35908 KB	Output is correct
72	Correct	576 ms	33212 KB	Output is correct
73	Correct	544 ms	43160 KB	Output is correct
74	Correct	563 ms	35772 KB	Output is correct
75	Correct	538 ms	31568 KB	Output is correct
76	Correct	523 ms	30232 KB	Output is correct
77	Correct	1822 ms	122432 KB	Output is correct
78	Correct	1821 ms	122108 KB	Output is correct
79	Correct	1842 ms	112560 KB	Output is correct
80	Correct	1799 ms	112444 KB	Output is correct
81	Correct	1780 ms	100464 KB	Output is correct
82	Correct	1739 ms	94100 KB	Output is correct
83	Correct	1736 ms	91128 KB	Output is correct
84	Correct	1696 ms	84776 KB	Output is correct
85	Correct	1752 ms	121712 KB	Output is correct
86	Correct	1703 ms	122752 KB	Output is correct
87	Correct	1691 ms	103132 KB	Output is correct
88	Correct	1682 ms	92416 KB	Output is correct
89	Correct	1700 ms	125100 KB	Output is correct
90	Correct	1710 ms	104888 KB	Output is correct
91	Correct	1685 ms	90656 KB	Output is correct
92	Correct	1728 ms	85264 KB	Output is correct

Subtask #5
0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 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	0 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	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	344 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	1 ms	344 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	3 ms	2652 KB	Output is correct
40	Correct	2 ms	2648 KB	Output is correct
41	Correct	3 ms	2648 KB	Output is correct
42	Correct	4 ms	2648 KB	Output is correct
43	Correct	3 ms	2648 KB	Output is correct
44	Correct	2 ms	2652 KB	Output is correct
45	Correct	3 ms	2652 KB	Output is correct
46	Correct	2 ms	2652 KB	Output is correct
47	Correct	2 ms	2668 KB	Output is correct
48	Correct	3 ms	2648 KB	Output is correct
49	Correct	3 ms	2652 KB	Output is correct
50	Correct	2 ms	2652 KB	Output is correct
51	Correct	2 ms	2672 KB	Output is correct
52	Correct	6 ms	2908 KB	Output is correct
53	Correct	6 ms	2816 KB	Output is correct
54	Correct	8 ms	2908 KB	Output is correct
55	Correct	8 ms	2652 KB	Output is correct
56	Correct	6 ms	2688 KB	Output is correct
57	Correct	6 ms	2664 KB	Output is correct
58	Correct	6 ms	2652 KB	Output is correct
59	Correct	6 ms	2648 KB	Output is correct
60	Correct	6 ms	2648 KB	Output is correct
61	Correct	6 ms	2908 KB	Output is correct
62	Correct	7 ms	2908 KB	Output is correct
63	Correct	6 ms	2652 KB	Output is correct
64	Correct	6 ms	2652 KB	Output is correct
65	Correct	582 ms	40904 KB	Output is correct
66	Correct	557 ms	39160 KB	Output is correct
67	Correct	593 ms	37516 KB	Output is correct
68	Correct	561 ms	34496 KB	Output is correct
69	Correct	546 ms	43588 KB	Output is correct
70	Correct	541 ms	43228 KB	Output is correct
71	Correct	541 ms	35908 KB	Output is correct
72	Correct	576 ms	33212 KB	Output is correct
73	Correct	544 ms	43160 KB	Output is correct
74	Correct	563 ms	35772 KB	Output is correct
75	Correct	538 ms	31568 KB	Output is correct
76	Correct	523 ms	30232 KB	Output is correct
77	Correct	1822 ms	122432 KB	Output is correct
78	Correct	1821 ms	122108 KB	Output is correct
79	Correct	1842 ms	112560 KB	Output is correct
80	Correct	1799 ms	112444 KB	Output is correct
81	Correct	1780 ms	100464 KB	Output is correct
82	Correct	1739 ms	94100 KB	Output is correct
83	Correct	1736 ms	91128 KB	Output is correct
84	Correct	1696 ms	84776 KB	Output is correct
85	Correct	1752 ms	121712 KB	Output is correct
86	Correct	1703 ms	122752 KB	Output is correct
87	Correct	1691 ms	103132 KB	Output is correct
88	Correct	1682 ms	92416 KB	Output is correct
89	Correct	1700 ms	125100 KB	Output is correct
90	Correct	1710 ms	104888 KB	Output is correct
91	Correct	1685 ms	90656 KB	Output is correct
92	Correct	1728 ms	85264 KB	Output is correct
93	Execution timed out	3047 ms	450612 KB	Time limit exceeded
94	Halted	0 ms	0 KB	-

Submission #908727

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