답안 #908710

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
908710	2024-01-16T17:26:52 Z	amirhoseinfar1385	Amusement Park (CEOI19_amusementpark)	C++17	63 / 100	3000 ms	386852 KB

amusementpark

#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

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	412 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 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

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	412 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 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	0 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	0 ms	348 KB	Output is correct
15	Correct	1 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	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 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

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	412 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 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	0 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	0 ms	348 KB	Output is correct
15	Correct	1 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	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 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	460 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	344 KB	Output is correct
34	Correct	2 ms	348 KB	Output is correct
35	Correct	1 ms	536 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	2 ms	344 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	3 ms	2648 KB	Output is correct
40	Correct	3 ms	2652 KB	Output is correct
41	Correct	3 ms	2716 KB	Output is correct
42	Correct	3 ms	2708 KB	Output is correct
43	Correct	3 ms	2652 KB	Output is correct
44	Correct	3 ms	2652 KB	Output is correct
45	Correct	3 ms	2652 KB	Output is correct
46	Correct	3 ms	2648 KB	Output is correct
47	Correct	3 ms	2652 KB	Output is correct
48	Correct	3 ms	2652 KB	Output is correct
49	Correct	3 ms	2652 KB	Output is correct
50	Correct	3 ms	2652 KB	Output is correct
51	Correct	3 ms	2652 KB	Output is correct
52	Correct	7 ms	2904 KB	Output is correct
53	Correct	7 ms	2764 KB	Output is correct
54	Correct	6 ms	2904 KB	Output is correct
55	Correct	7 ms	2908 KB	Output is correct
56	Correct	7 ms	2908 KB	Output is correct
57	Correct	6 ms	2908 KB	Output is correct
58	Correct	7 ms	2908 KB	Output is correct
59	Correct	7 ms	2648 KB	Output is correct
60	Correct	7 ms	2756 KB	Output is correct
61	Correct	7 ms	2908 KB	Output is correct
62	Correct	7 ms	2932 KB	Output is correct
63	Correct	6 ms	2652 KB	Output is correct
64	Correct	8 ms	2880 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	412 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 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	0 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	0 ms	348 KB	Output is correct
15	Correct	1 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	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 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	460 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	344 KB	Output is correct
34	Correct	2 ms	348 KB	Output is correct
35	Correct	1 ms	536 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	2 ms	344 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	3 ms	2648 KB	Output is correct
40	Correct	3 ms	2652 KB	Output is correct
41	Correct	3 ms	2716 KB	Output is correct
42	Correct	3 ms	2708 KB	Output is correct
43	Correct	3 ms	2652 KB	Output is correct
44	Correct	3 ms	2652 KB	Output is correct
45	Correct	3 ms	2652 KB	Output is correct
46	Correct	3 ms	2648 KB	Output is correct
47	Correct	3 ms	2652 KB	Output is correct
48	Correct	3 ms	2652 KB	Output is correct
49	Correct	3 ms	2652 KB	Output is correct
50	Correct	3 ms	2652 KB	Output is correct
51	Correct	3 ms	2652 KB	Output is correct
52	Correct	7 ms	2904 KB	Output is correct
53	Correct	7 ms	2764 KB	Output is correct
54	Correct	6 ms	2904 KB	Output is correct
55	Correct	7 ms	2908 KB	Output is correct
56	Correct	7 ms	2908 KB	Output is correct
57	Correct	6 ms	2908 KB	Output is correct
58	Correct	7 ms	2908 KB	Output is correct
59	Correct	7 ms	2648 KB	Output is correct
60	Correct	7 ms	2756 KB	Output is correct
61	Correct	7 ms	2908 KB	Output is correct
62	Correct	7 ms	2932 KB	Output is correct
63	Correct	6 ms	2652 KB	Output is correct
64	Correct	8 ms	2880 KB	Output is correct
65	Correct	598 ms	42344 KB	Output is correct
66	Correct	582 ms	38504 KB	Output is correct
67	Correct	594 ms	35592 KB	Output is correct
68	Correct	584 ms	35280 KB	Output is correct
69	Correct	570 ms	42212 KB	Output is correct
70	Correct	592 ms	42464 KB	Output is correct
71	Correct	589 ms	36768 KB	Output is correct
72	Correct	584 ms	31896 KB	Output is correct
73	Correct	581 ms	43896 KB	Output is correct
74	Correct	584 ms	37092 KB	Output is correct
75	Correct	569 ms	31536 KB	Output is correct
76	Correct	572 ms	29984 KB	Output is correct
77	Correct	1950 ms	121360 KB	Output is correct
78	Correct	1949 ms	119224 KB	Output is correct
79	Correct	1990 ms	111552 KB	Output is correct
80	Correct	1935 ms	111776 KB	Output is correct
81	Correct	1897 ms	101472 KB	Output is correct
82	Correct	1927 ms	93908 KB	Output is correct
83	Correct	1860 ms	93384 KB	Output is correct
84	Correct	1862 ms	87176 KB	Output is correct
85	Correct	1824 ms	123408 KB	Output is correct
86	Correct	1809 ms	120764 KB	Output is correct
87	Correct	1823 ms	105144 KB	Output is correct
88	Correct	1787 ms	90428 KB	Output is correct
89	Correct	1799 ms	124436 KB	Output is correct
90	Correct	1816 ms	106568 KB	Output is correct
91	Correct	1801 ms	91184 KB	Output is correct
92	Correct	1833 ms	82436 KB	Output is correct

Subtask #5
0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	412 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 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	0 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	0 ms	348 KB	Output is correct
15	Correct	1 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	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 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	460 KB	Output is correct
26	Correct	1 ms	344 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct
29	Correct	1 ms	344 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	344 KB	Output is correct
34	Correct	2 ms	348 KB	Output is correct
35	Correct	1 ms	536 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	2 ms	344 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	3 ms	2648 KB	Output is correct
40	Correct	3 ms	2652 KB	Output is correct
41	Correct	3 ms	2716 KB	Output is correct
42	Correct	3 ms	2708 KB	Output is correct
43	Correct	3 ms	2652 KB	Output is correct
44	Correct	3 ms	2652 KB	Output is correct
45	Correct	3 ms	2652 KB	Output is correct
46	Correct	3 ms	2648 KB	Output is correct
47	Correct	3 ms	2652 KB	Output is correct
48	Correct	3 ms	2652 KB	Output is correct
49	Correct	3 ms	2652 KB	Output is correct
50	Correct	3 ms	2652 KB	Output is correct
51	Correct	3 ms	2652 KB	Output is correct
52	Correct	7 ms	2904 KB	Output is correct
53	Correct	7 ms	2764 KB	Output is correct
54	Correct	6 ms	2904 KB	Output is correct
55	Correct	7 ms	2908 KB	Output is correct
56	Correct	7 ms	2908 KB	Output is correct
57	Correct	6 ms	2908 KB	Output is correct
58	Correct	7 ms	2908 KB	Output is correct
59	Correct	7 ms	2648 KB	Output is correct
60	Correct	7 ms	2756 KB	Output is correct
61	Correct	7 ms	2908 KB	Output is correct
62	Correct	7 ms	2932 KB	Output is correct
63	Correct	6 ms	2652 KB	Output is correct
64	Correct	8 ms	2880 KB	Output is correct
65	Correct	598 ms	42344 KB	Output is correct
66	Correct	582 ms	38504 KB	Output is correct
67	Correct	594 ms	35592 KB	Output is correct
68	Correct	584 ms	35280 KB	Output is correct
69	Correct	570 ms	42212 KB	Output is correct
70	Correct	592 ms	42464 KB	Output is correct
71	Correct	589 ms	36768 KB	Output is correct
72	Correct	584 ms	31896 KB	Output is correct
73	Correct	581 ms	43896 KB	Output is correct
74	Correct	584 ms	37092 KB	Output is correct
75	Correct	569 ms	31536 KB	Output is correct
76	Correct	572 ms	29984 KB	Output is correct
77	Correct	1950 ms	121360 KB	Output is correct
78	Correct	1949 ms	119224 KB	Output is correct
79	Correct	1990 ms	111552 KB	Output is correct
80	Correct	1935 ms	111776 KB	Output is correct
81	Correct	1897 ms	101472 KB	Output is correct
82	Correct	1927 ms	93908 KB	Output is correct
83	Correct	1860 ms	93384 KB	Output is correct
84	Correct	1862 ms	87176 KB	Output is correct
85	Correct	1824 ms	123408 KB	Output is correct
86	Correct	1809 ms	120764 KB	Output is correct
87	Correct	1823 ms	105144 KB	Output is correct
88	Correct	1787 ms	90428 KB	Output is correct
89	Correct	1799 ms	124436 KB	Output is correct
90	Correct	1816 ms	106568 KB	Output is correct
91	Correct	1801 ms	91184 KB	Output is correct
92	Correct	1833 ms	82436 KB	Output is correct
93	Execution timed out	3039 ms	386852 KB	Time limit exceeded
94	Halted	0 ms	0 KB	-

답안 #908710

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