Submission #908728

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
908728	2024-01-16T17:45:48 Z	amirhoseinfar1385	Amusement Park (CEOI19_amusementpark)	C++17	63 / 100	3000 ms	452716 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]){
			if(pd[x]==0){
				continue;
			}
			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	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	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	600 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	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	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	600 KB	Output is correct
9	Correct	0 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	1 ms	344 KB	Output is correct
15	Correct	1 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	1 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	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	344 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	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	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	600 KB	Output is correct
9	Correct	0 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	1 ms	344 KB	Output is correct
15	Correct	1 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	1 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	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 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	1 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	1 ms	348 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	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	1 ms	2652 KB	Output is correct
40	Correct	1 ms	2652 KB	Output is correct
41	Correct	1 ms	2652 KB	Output is correct
42	Correct	1 ms	2652 KB	Output is correct
43	Correct	1 ms	2652 KB	Output is correct
44	Correct	2 ms	2648 KB	Output is correct
45	Correct	1 ms	2652 KB	Output is correct
46	Correct	1 ms	2652 KB	Output is correct
47	Correct	1 ms	2652 KB	Output is correct
48	Correct	1 ms	2652 KB	Output is correct
49	Correct	1 ms	2652 KB	Output is correct
50	Correct	1 ms	2652 KB	Output is correct
51	Correct	1 ms	2648 KB	Output is correct
52	Correct	2 ms	2652 KB	Output is correct
53	Correct	2 ms	2652 KB	Output is correct
54	Correct	3 ms	2652 KB	Output is correct
55	Correct	2 ms	2652 KB	Output is correct
56	Correct	2 ms	2652 KB	Output is correct
57	Correct	2 ms	2652 KB	Output is correct
58	Correct	2 ms	2652 KB	Output is correct
59	Correct	2 ms	2652 KB	Output is correct
60	Correct	2 ms	2652 KB	Output is correct
61	Correct	3 ms	2652 KB	Output is correct
62	Correct	2 ms	2648 KB	Output is correct
63	Correct	2 ms	2652 KB	Output is correct
64	Correct	3 ms	2652 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	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	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	600 KB	Output is correct
9	Correct	0 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	1 ms	344 KB	Output is correct
15	Correct	1 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	1 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	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 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	1 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	1 ms	348 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	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	1 ms	2652 KB	Output is correct
40	Correct	1 ms	2652 KB	Output is correct
41	Correct	1 ms	2652 KB	Output is correct
42	Correct	1 ms	2652 KB	Output is correct
43	Correct	1 ms	2652 KB	Output is correct
44	Correct	2 ms	2648 KB	Output is correct
45	Correct	1 ms	2652 KB	Output is correct
46	Correct	1 ms	2652 KB	Output is correct
47	Correct	1 ms	2652 KB	Output is correct
48	Correct	1 ms	2652 KB	Output is correct
49	Correct	1 ms	2652 KB	Output is correct
50	Correct	1 ms	2652 KB	Output is correct
51	Correct	1 ms	2648 KB	Output is correct
52	Correct	2 ms	2652 KB	Output is correct
53	Correct	2 ms	2652 KB	Output is correct
54	Correct	3 ms	2652 KB	Output is correct
55	Correct	2 ms	2652 KB	Output is correct
56	Correct	2 ms	2652 KB	Output is correct
57	Correct	2 ms	2652 KB	Output is correct
58	Correct	2 ms	2652 KB	Output is correct
59	Correct	2 ms	2652 KB	Output is correct
60	Correct	2 ms	2652 KB	Output is correct
61	Correct	3 ms	2652 KB	Output is correct
62	Correct	2 ms	2648 KB	Output is correct
63	Correct	2 ms	2652 KB	Output is correct
64	Correct	3 ms	2652 KB	Output is correct
65	Correct	152 ms	28068 KB	Output is correct
66	Correct	159 ms	29108 KB	Output is correct
67	Correct	155 ms	28384 KB	Output is correct
68	Correct	160 ms	27108 KB	Output is correct
69	Correct	146 ms	26340 KB	Output is correct
70	Correct	152 ms	26772 KB	Output is correct
71	Correct	164 ms	27868 KB	Output is correct
72	Correct	145 ms	25592 KB	Output is correct
73	Correct	148 ms	26340 KB	Output is correct
74	Correct	147 ms	27180 KB	Output is correct
75	Correct	155 ms	25752 KB	Output is correct
76	Correct	147 ms	26992 KB	Output is correct
77	Correct	480 ms	79044 KB	Output is correct
78	Correct	484 ms	80420 KB	Output is correct
79	Correct	494 ms	79572 KB	Output is correct
80	Correct	489 ms	78560 KB	Output is correct
81	Correct	491 ms	78768 KB	Output is correct
82	Correct	481 ms	75808 KB	Output is correct
83	Correct	484 ms	72912 KB	Output is correct
84	Correct	478 ms	70928 KB	Output is correct
85	Correct	453 ms	73760 KB	Output is correct
86	Correct	462 ms	72112 KB	Output is correct
87	Correct	458 ms	73192 KB	Output is correct
88	Correct	458 ms	73240 KB	Output is correct
89	Correct	460 ms	75436 KB	Output is correct
90	Correct	459 ms	71104 KB	Output is correct
91	Correct	456 ms	70992 KB	Output is correct
92	Correct	451 ms	70588 KB	Output is correct

Subtask #5
0 / 37.0

#	Verdict	Execution time	Memory	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	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	600 KB	Output is correct
9	Correct	0 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	1 ms	344 KB	Output is correct
15	Correct	1 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	1 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	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	344 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	1 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	1 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	1 ms	348 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	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	1 ms	2652 KB	Output is correct
40	Correct	1 ms	2652 KB	Output is correct
41	Correct	1 ms	2652 KB	Output is correct
42	Correct	1 ms	2652 KB	Output is correct
43	Correct	1 ms	2652 KB	Output is correct
44	Correct	2 ms	2648 KB	Output is correct
45	Correct	1 ms	2652 KB	Output is correct
46	Correct	1 ms	2652 KB	Output is correct
47	Correct	1 ms	2652 KB	Output is correct
48	Correct	1 ms	2652 KB	Output is correct
49	Correct	1 ms	2652 KB	Output is correct
50	Correct	1 ms	2652 KB	Output is correct
51	Correct	1 ms	2648 KB	Output is correct
52	Correct	2 ms	2652 KB	Output is correct
53	Correct	2 ms	2652 KB	Output is correct
54	Correct	3 ms	2652 KB	Output is correct
55	Correct	2 ms	2652 KB	Output is correct
56	Correct	2 ms	2652 KB	Output is correct
57	Correct	2 ms	2652 KB	Output is correct
58	Correct	2 ms	2652 KB	Output is correct
59	Correct	2 ms	2652 KB	Output is correct
60	Correct	2 ms	2652 KB	Output is correct
61	Correct	3 ms	2652 KB	Output is correct
62	Correct	2 ms	2648 KB	Output is correct
63	Correct	2 ms	2652 KB	Output is correct
64	Correct	3 ms	2652 KB	Output is correct
65	Correct	152 ms	28068 KB	Output is correct
66	Correct	159 ms	29108 KB	Output is correct
67	Correct	155 ms	28384 KB	Output is correct
68	Correct	160 ms	27108 KB	Output is correct
69	Correct	146 ms	26340 KB	Output is correct
70	Correct	152 ms	26772 KB	Output is correct
71	Correct	164 ms	27868 KB	Output is correct
72	Correct	145 ms	25592 KB	Output is correct
73	Correct	148 ms	26340 KB	Output is correct
74	Correct	147 ms	27180 KB	Output is correct
75	Correct	155 ms	25752 KB	Output is correct
76	Correct	147 ms	26992 KB	Output is correct
77	Correct	480 ms	79044 KB	Output is correct
78	Correct	484 ms	80420 KB	Output is correct
79	Correct	494 ms	79572 KB	Output is correct
80	Correct	489 ms	78560 KB	Output is correct
81	Correct	491 ms	78768 KB	Output is correct
82	Correct	481 ms	75808 KB	Output is correct
83	Correct	484 ms	72912 KB	Output is correct
84	Correct	478 ms	70928 KB	Output is correct
85	Correct	453 ms	73760 KB	Output is correct
86	Correct	462 ms	72112 KB	Output is correct
87	Correct	458 ms	73192 KB	Output is correct
88	Correct	458 ms	73240 KB	Output is correct
89	Correct	460 ms	75436 KB	Output is correct
90	Correct	459 ms	71104 KB	Output is correct
91	Correct	456 ms	70992 KB	Output is correct
92	Correct	451 ms	70588 KB	Output is correct
93	Execution timed out	3019 ms	452716 KB	Time limit exceeded
94	Halted	0 ms	0 KB	-

Submission #908728

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