답안 #579565

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
579565	2022-06-19T11:31:43 Z	amunduzbaev	Amusement Park (CEOI19_amusementpark)	C++17	100 / 100	1548 ms	234764 KB

amusementpark

#include "bits/stdc++.h"
using namespace std;
 
#define ar array
typedef int64_t ll;
//~ #define int ll
 
const int mod = 119 << 23 | 1;
const int N = 18;
map<int, int> dp[1 << N];
int is[N];
 
int bp(int a, int b){
	int c = 1;
	while(b){
		if(b & 1) c = c * 1ll * a % mod;
		a = a * 1ll * a % mod, b >>= 1;
	} return c;
}

signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n, m; cin>>n>>m;
	for(int i=0;i<m;i++){
		int a, b; cin>>a>>b;
		--a, --b;
		is[a] |= (1 << b);
		is[b] |= (1 << a);
	}
	
	dp[0][0] = 1;
	for(int mask=0;mask < (1 << n);mask++){
		vector<int> rem;
		for(int i=0;i<n;i++) if(!(mask >> i & 1)) rem.push_back(i);
		for(auto& [bad, cur] : dp[mask]){
			for(auto j : rem){
				if(bad >> j & 1) continue;
				int on_j = mask | (1 << j);
				int edge_out = ((1 << n) - 1) ^ (is[j] ^ (is[j] & mask));
				int bad2 = ((bad | ((1 << j) - 1)) ^ (mask & ((1 << j) - 1))) & edge_out;
				int& res = dp[on_j][bad2];
				res = (res + cur);
				if(res >= mod) res -= mod; 
			}
		}
	}
	
	int res = dp[(1 << n) - 1][0];
	//~ cout<<res<<"\n";
	cout<<res * 1ll * bp(2, mod - 2) % mod * m % mod<<"\n";
}

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	12628 KB	Output is correct
2	Correct	7 ms	12584 KB	Output is correct
3	Correct	7 ms	12628 KB	Output is correct
4	Correct	8 ms	12580 KB	Output is correct
5	Correct	7 ms	12500 KB	Output is correct
6	Correct	7 ms	12624 KB	Output is correct
7	Correct	6 ms	12628 KB	Output is correct
8	Correct	7 ms	12500 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	12628 KB	Output is correct
2	Correct	7 ms	12584 KB	Output is correct
3	Correct	7 ms	12628 KB	Output is correct
4	Correct	8 ms	12580 KB	Output is correct
5	Correct	7 ms	12500 KB	Output is correct
6	Correct	7 ms	12624 KB	Output is correct
7	Correct	6 ms	12628 KB	Output is correct
8	Correct	7 ms	12500 KB	Output is correct
9	Correct	6 ms	12612 KB	Output is correct
10	Correct	6 ms	12628 KB	Output is correct
11	Correct	7 ms	12628 KB	Output is correct
12	Correct	6 ms	12628 KB	Output is correct
13	Correct	7 ms	12628 KB	Output is correct
14	Correct	6 ms	12500 KB	Output is correct
15	Correct	7 ms	12628 KB	Output is correct
16	Correct	7 ms	12628 KB	Output is correct
17	Correct	7 ms	12532 KB	Output is correct
18	Correct	8 ms	12628 KB	Output is correct
19	Correct	7 ms	12628 KB	Output is correct
20	Correct	8 ms	12632 KB	Output is correct
21	Correct	6 ms	12628 KB	Output is correct
22	Correct	6 ms	12628 KB	Output is correct
23	Correct	6 ms	12628 KB	Output is correct
24	Correct	7 ms	12628 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	12628 KB	Output is correct
2	Correct	7 ms	12584 KB	Output is correct
3	Correct	7 ms	12628 KB	Output is correct
4	Correct	8 ms	12580 KB	Output is correct
5	Correct	7 ms	12500 KB	Output is correct
6	Correct	7 ms	12624 KB	Output is correct
7	Correct	6 ms	12628 KB	Output is correct
8	Correct	7 ms	12500 KB	Output is correct
9	Correct	6 ms	12612 KB	Output is correct
10	Correct	6 ms	12628 KB	Output is correct
11	Correct	7 ms	12628 KB	Output is correct
12	Correct	6 ms	12628 KB	Output is correct
13	Correct	7 ms	12628 KB	Output is correct
14	Correct	6 ms	12500 KB	Output is correct
15	Correct	7 ms	12628 KB	Output is correct
16	Correct	7 ms	12628 KB	Output is correct
17	Correct	7 ms	12532 KB	Output is correct
18	Correct	8 ms	12628 KB	Output is correct
19	Correct	7 ms	12628 KB	Output is correct
20	Correct	8 ms	12632 KB	Output is correct
21	Correct	6 ms	12628 KB	Output is correct
22	Correct	6 ms	12628 KB	Output is correct
23	Correct	6 ms	12628 KB	Output is correct
24	Correct	7 ms	12628 KB	Output is correct
25	Correct	7 ms	12636 KB	Output is correct
26	Correct	7 ms	12628 KB	Output is correct
27	Correct	6 ms	12628 KB	Output is correct
28	Correct	6 ms	12628 KB	Output is correct
29	Correct	7 ms	12628 KB	Output is correct
30	Correct	7 ms	12628 KB	Output is correct
31	Correct	7 ms	12628 KB	Output is correct
32	Correct	7 ms	12580 KB	Output is correct
33	Correct	9 ms	12628 KB	Output is correct
34	Correct	8 ms	12596 KB	Output is correct
35	Correct	7 ms	12628 KB	Output is correct
36	Correct	8 ms	12600 KB	Output is correct
37	Correct	7 ms	12628 KB	Output is correct
38	Correct	9 ms	12628 KB	Output is correct
39	Correct	8 ms	12628 KB	Output is correct
40	Correct	8 ms	12628 KB	Output is correct
41	Correct	7 ms	12576 KB	Output is correct
42	Correct	7 ms	12676 KB	Output is correct
43	Correct	8 ms	12628 KB	Output is correct
44	Correct	7 ms	12628 KB	Output is correct
45	Correct	7 ms	12628 KB	Output is correct
46	Correct	7 ms	12628 KB	Output is correct
47	Correct	9 ms	12628 KB	Output is correct
48	Correct	7 ms	12628 KB	Output is correct
49	Correct	7 ms	12664 KB	Output is correct
50	Correct	9 ms	12628 KB	Output is correct
51	Correct	7 ms	12628 KB	Output is correct
52	Correct	8 ms	12628 KB	Output is correct
53	Correct	7 ms	12628 KB	Output is correct
54	Correct	7 ms	12760 KB	Output is correct
55	Correct	8 ms	12628 KB	Output is correct
56	Correct	7 ms	12740 KB	Output is correct
57	Correct	7 ms	12800 KB	Output is correct
58	Correct	10 ms	12748 KB	Output is correct
59	Correct	7 ms	12628 KB	Output is correct
60	Correct	10 ms	12628 KB	Output is correct
61	Correct	7 ms	12628 KB	Output is correct
62	Correct	7 ms	12628 KB	Output is correct
63	Correct	7 ms	12628 KB	Output is correct
64	Correct	7 ms	12628 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	12628 KB	Output is correct
2	Correct	7 ms	12584 KB	Output is correct
3	Correct	7 ms	12628 KB	Output is correct
4	Correct	8 ms	12580 KB	Output is correct
5	Correct	7 ms	12500 KB	Output is correct
6	Correct	7 ms	12624 KB	Output is correct
7	Correct	6 ms	12628 KB	Output is correct
8	Correct	7 ms	12500 KB	Output is correct
9	Correct	6 ms	12612 KB	Output is correct
10	Correct	6 ms	12628 KB	Output is correct
11	Correct	7 ms	12628 KB	Output is correct
12	Correct	6 ms	12628 KB	Output is correct
13	Correct	7 ms	12628 KB	Output is correct
14	Correct	6 ms	12500 KB	Output is correct
15	Correct	7 ms	12628 KB	Output is correct
16	Correct	7 ms	12628 KB	Output is correct
17	Correct	7 ms	12532 KB	Output is correct
18	Correct	8 ms	12628 KB	Output is correct
19	Correct	7 ms	12628 KB	Output is correct
20	Correct	8 ms	12632 KB	Output is correct
21	Correct	6 ms	12628 KB	Output is correct
22	Correct	6 ms	12628 KB	Output is correct
23	Correct	6 ms	12628 KB	Output is correct
24	Correct	7 ms	12628 KB	Output is correct
25	Correct	7 ms	12636 KB	Output is correct
26	Correct	7 ms	12628 KB	Output is correct
27	Correct	6 ms	12628 KB	Output is correct
28	Correct	6 ms	12628 KB	Output is correct
29	Correct	7 ms	12628 KB	Output is correct
30	Correct	7 ms	12628 KB	Output is correct
31	Correct	7 ms	12628 KB	Output is correct
32	Correct	7 ms	12580 KB	Output is correct
33	Correct	9 ms	12628 KB	Output is correct
34	Correct	8 ms	12596 KB	Output is correct
35	Correct	7 ms	12628 KB	Output is correct
36	Correct	8 ms	12600 KB	Output is correct
37	Correct	7 ms	12628 KB	Output is correct
38	Correct	9 ms	12628 KB	Output is correct
39	Correct	8 ms	12628 KB	Output is correct
40	Correct	8 ms	12628 KB	Output is correct
41	Correct	7 ms	12576 KB	Output is correct
42	Correct	7 ms	12676 KB	Output is correct
43	Correct	8 ms	12628 KB	Output is correct
44	Correct	7 ms	12628 KB	Output is correct
45	Correct	7 ms	12628 KB	Output is correct
46	Correct	7 ms	12628 KB	Output is correct
47	Correct	9 ms	12628 KB	Output is correct
48	Correct	7 ms	12628 KB	Output is correct
49	Correct	7 ms	12664 KB	Output is correct
50	Correct	9 ms	12628 KB	Output is correct
51	Correct	7 ms	12628 KB	Output is correct
52	Correct	8 ms	12628 KB	Output is correct
53	Correct	7 ms	12628 KB	Output is correct
54	Correct	7 ms	12760 KB	Output is correct
55	Correct	8 ms	12628 KB	Output is correct
56	Correct	7 ms	12740 KB	Output is correct
57	Correct	7 ms	12800 KB	Output is correct
58	Correct	10 ms	12748 KB	Output is correct
59	Correct	7 ms	12628 KB	Output is correct
60	Correct	10 ms	12628 KB	Output is correct
61	Correct	7 ms	12628 KB	Output is correct
62	Correct	7 ms	12628 KB	Output is correct
63	Correct	7 ms	12628 KB	Output is correct
64	Correct	7 ms	12628 KB	Output is correct
65	Correct	29 ms	17200 KB	Output is correct
66	Correct	40 ms	18768 KB	Output is correct
67	Correct	36 ms	18236 KB	Output is correct
68	Correct	34 ms	17916 KB	Output is correct
69	Correct	15 ms	14524 KB	Output is correct
70	Correct	18 ms	14904 KB	Output is correct
71	Correct	17 ms	14988 KB	Output is correct
72	Correct	19 ms	14876 KB	Output is correct
73	Correct	17 ms	14984 KB	Output is correct
74	Correct	17 ms	15060 KB	Output is correct
75	Correct	17 ms	15060 KB	Output is correct
76	Correct	18 ms	15060 KB	Output is correct
77	Correct	64 ms	23812 KB	Output is correct
78	Correct	73 ms	25060 KB	Output is correct
79	Correct	92 ms	28104 KB	Output is correct
80	Correct	81 ms	25420 KB	Output is correct
81	Correct	91 ms	26800 KB	Output is correct
82	Correct	78 ms	25292 KB	Output is correct
83	Correct	77 ms	24752 KB	Output is correct
84	Correct	54 ms	21292 KB	Output is correct
85	Correct	25 ms	16552 KB	Output is correct
86	Correct	35 ms	17492 KB	Output is correct
87	Correct	30 ms	17612 KB	Output is correct
88	Correct	30 ms	17520 KB	Output is correct
89	Correct	28 ms	17860 KB	Output is correct
90	Correct	30 ms	17780 KB	Output is correct
91	Correct	29 ms	17784 KB	Output is correct
92	Correct	29 ms	17820 KB	Output is correct

Subtask #5
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	12628 KB	Output is correct
2	Correct	7 ms	12584 KB	Output is correct
3	Correct	7 ms	12628 KB	Output is correct
4	Correct	8 ms	12580 KB	Output is correct
5	Correct	7 ms	12500 KB	Output is correct
6	Correct	7 ms	12624 KB	Output is correct
7	Correct	6 ms	12628 KB	Output is correct
8	Correct	7 ms	12500 KB	Output is correct
9	Correct	6 ms	12612 KB	Output is correct
10	Correct	6 ms	12628 KB	Output is correct
11	Correct	7 ms	12628 KB	Output is correct
12	Correct	6 ms	12628 KB	Output is correct
13	Correct	7 ms	12628 KB	Output is correct
14	Correct	6 ms	12500 KB	Output is correct
15	Correct	7 ms	12628 KB	Output is correct
16	Correct	7 ms	12628 KB	Output is correct
17	Correct	7 ms	12532 KB	Output is correct
18	Correct	8 ms	12628 KB	Output is correct
19	Correct	7 ms	12628 KB	Output is correct
20	Correct	8 ms	12632 KB	Output is correct
21	Correct	6 ms	12628 KB	Output is correct
22	Correct	6 ms	12628 KB	Output is correct
23	Correct	6 ms	12628 KB	Output is correct
24	Correct	7 ms	12628 KB	Output is correct
25	Correct	7 ms	12636 KB	Output is correct
26	Correct	7 ms	12628 KB	Output is correct
27	Correct	6 ms	12628 KB	Output is correct
28	Correct	6 ms	12628 KB	Output is correct
29	Correct	7 ms	12628 KB	Output is correct
30	Correct	7 ms	12628 KB	Output is correct
31	Correct	7 ms	12628 KB	Output is correct
32	Correct	7 ms	12580 KB	Output is correct
33	Correct	9 ms	12628 KB	Output is correct
34	Correct	8 ms	12596 KB	Output is correct
35	Correct	7 ms	12628 KB	Output is correct
36	Correct	8 ms	12600 KB	Output is correct
37	Correct	7 ms	12628 KB	Output is correct
38	Correct	9 ms	12628 KB	Output is correct
39	Correct	8 ms	12628 KB	Output is correct
40	Correct	8 ms	12628 KB	Output is correct
41	Correct	7 ms	12576 KB	Output is correct
42	Correct	7 ms	12676 KB	Output is correct
43	Correct	8 ms	12628 KB	Output is correct
44	Correct	7 ms	12628 KB	Output is correct
45	Correct	7 ms	12628 KB	Output is correct
46	Correct	7 ms	12628 KB	Output is correct
47	Correct	9 ms	12628 KB	Output is correct
48	Correct	7 ms	12628 KB	Output is correct
49	Correct	7 ms	12664 KB	Output is correct
50	Correct	9 ms	12628 KB	Output is correct
51	Correct	7 ms	12628 KB	Output is correct
52	Correct	8 ms	12628 KB	Output is correct
53	Correct	7 ms	12628 KB	Output is correct
54	Correct	7 ms	12760 KB	Output is correct
55	Correct	8 ms	12628 KB	Output is correct
56	Correct	7 ms	12740 KB	Output is correct
57	Correct	7 ms	12800 KB	Output is correct
58	Correct	10 ms	12748 KB	Output is correct
59	Correct	7 ms	12628 KB	Output is correct
60	Correct	10 ms	12628 KB	Output is correct
61	Correct	7 ms	12628 KB	Output is correct
62	Correct	7 ms	12628 KB	Output is correct
63	Correct	7 ms	12628 KB	Output is correct
64	Correct	7 ms	12628 KB	Output is correct
65	Correct	29 ms	17200 KB	Output is correct
66	Correct	40 ms	18768 KB	Output is correct
67	Correct	36 ms	18236 KB	Output is correct
68	Correct	34 ms	17916 KB	Output is correct
69	Correct	15 ms	14524 KB	Output is correct
70	Correct	18 ms	14904 KB	Output is correct
71	Correct	17 ms	14988 KB	Output is correct
72	Correct	19 ms	14876 KB	Output is correct
73	Correct	17 ms	14984 KB	Output is correct
74	Correct	17 ms	15060 KB	Output is correct
75	Correct	17 ms	15060 KB	Output is correct
76	Correct	18 ms	15060 KB	Output is correct
77	Correct	64 ms	23812 KB	Output is correct
78	Correct	73 ms	25060 KB	Output is correct
79	Correct	92 ms	28104 KB	Output is correct
80	Correct	81 ms	25420 KB	Output is correct
81	Correct	91 ms	26800 KB	Output is correct
82	Correct	78 ms	25292 KB	Output is correct
83	Correct	77 ms	24752 KB	Output is correct
84	Correct	54 ms	21292 KB	Output is correct
85	Correct	25 ms	16552 KB	Output is correct
86	Correct	35 ms	17492 KB	Output is correct
87	Correct	30 ms	17612 KB	Output is correct
88	Correct	30 ms	17520 KB	Output is correct
89	Correct	28 ms	17860 KB	Output is correct
90	Correct	30 ms	17780 KB	Output is correct
91	Correct	29 ms	17784 KB	Output is correct
92	Correct	29 ms	17820 KB	Output is correct
93	Correct	258 ms	59500 KB	Output is correct
94	Correct	130 ms	32424 KB	Output is correct
95	Correct	94 ms	26508 KB	Output is correct
96	Correct	271 ms	62604 KB	Output is correct
97	Correct	266 ms	61956 KB	Output is correct
98	Correct	251 ms	58576 KB	Output is correct
99	Correct	97 ms	29388 KB	Output is correct
100	Correct	157 ms	38876 KB	Output is correct
101	Correct	212 ms	46796 KB	Output is correct
102	Correct	245 ms	48620 KB	Output is correct
103	Correct	43 ms	18768 KB	Output is correct
104	Correct	46 ms	19296 KB	Output is correct
105	Correct	95 ms	30836 KB	Output is correct
106	Correct	313 ms	66512 KB	Output is correct
107	Correct	88 ms	24928 KB	Output is correct
108	Correct	191 ms	54536 KB	Output is correct
109	Correct	762 ms	130968 KB	Output is correct
110	Correct	1548 ms	234764 KB	Output is correct
111	Correct	235 ms	48624 KB	Output is correct
112	Correct	196 ms	41576 KB	Output is correct
113	Correct	181 ms	40096 KB	Output is correct
114	Correct	54 ms	21072 KB	Output is correct
115	Correct	60 ms	23112 KB	Output is correct
116	Correct	55 ms	23096 KB	Output is correct
117	Correct	53 ms	23076 KB	Output is correct
118	Correct	55 ms	23652 KB	Output is correct
119	Correct	64 ms	23732 KB	Output is correct
120	Correct	58 ms	23756 KB	Output is correct
121	Correct	55 ms	23688 KB	Output is correct
122	Correct	395 ms	73252 KB	Output is correct
123	Correct	546 ms	95056 KB	Output is correct
124	Correct	537 ms	90032 KB	Output is correct
125	Correct	468 ms	83024 KB	Output is correct
126	Correct	413 ms	74744 KB	Output is correct
127	Correct	263 ms	54388 KB	Output is correct
128	Correct	176 ms	39516 KB	Output is correct
129	Correct	149 ms	29224 KB	Output is correct
130	Correct	57 ms	18772 KB	Output is correct
131	Correct	115 ms	30300 KB	Output is correct
132	Correct	113 ms	34896 KB	Output is correct
133	Correct	135 ms	34944 KB	Output is correct
134	Correct	115 ms	34872 KB	Output is correct
135	Correct	121 ms	36176 KB	Output is correct
136	Correct	128 ms	36312 KB	Output is correct
137	Correct	133 ms	36180 KB	Output is correct
138	Correct	115 ms	36216 KB	Output is correct
139	Correct	119 ms	35968 KB	Output is correct
140	Correct	152 ms	35960 KB	Output is correct
141	Correct	152 ms	36044 KB	Output is correct
142	Correct	1285 ms	196836 KB	Output is correct
143	Correct	1210 ms	182896 KB	Output is correct
144	Correct	883 ms	135076 KB	Output is correct
145	Correct	647 ms	101452 KB	Output is correct
146	Correct	292 ms	58444 KB	Output is correct
147	Correct	105 ms	24940 KB	Output is correct
148	Correct	1211 ms	186460 KB	Output is correct
149	Correct	1205 ms	181948 KB	Output is correct
150	Correct	1436 ms	206732 KB	Output is correct
151	Correct	247 ms	60460 KB	Output is correct
152	Correct	279 ms	63736 KB	Output is correct
153	Correct	265 ms	62680 KB	Output is correct
154	Correct	273 ms	62632 KB	Output is correct
155	Correct	283 ms	62536 KB	Output is correct
156	Correct	256 ms	62704 KB	Output is correct
157	Correct	309 ms	62788 KB	Output is correct
158	Correct	257 ms	62588 KB	Output is correct
159	Correct	281 ms	62380 KB	Output is correct
160	Correct	278 ms	62412 KB	Output is correct
161	Correct	251 ms	62416 KB	Output is correct
162	Correct	264 ms	60644 KB	Output is correct
163	Correct	283 ms	60696 KB	Output is correct
164	Correct	278 ms	60588 KB	Output is correct
165	Correct	279 ms	60708 KB	Output is correct
166	Correct	251 ms	60668 KB	Output is correct
167	Correct	250 ms	60596 KB	Output is correct

답안 #579565

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