답안 #441145

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
441145	2021-07-04T11:45:02 Z	hhhhaura	Amusement Park (CEOI19_amusementpark)	C++14	100 / 100	2003 ms	6596 KB

amusementpark

#define wiwihorz
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma loop-opt(on)

#define rep(i, a, b) for(int i = a; i <= b; i++)
#define rrep(i, a, b) for(int i = b; i >= a; i--)
#define all(x) x.begin(), x.end()
#define ceil(a, b) ((a + b - 1) / (b))

#define INF 1000000000000000000
#define MOD 998244353
#define eps (1e-9)

using namespace std;

#define int long long int
#define lld long double
#define pii pair<int, int>
#define random mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count())

#ifdef wiwihorz
#define print(a...) kout("[" + string(#a) + "] = ", a)
void vprint(auto L, auto R) {while(L < R) cerr << *L << " \n"[next(L) == R], ++L;}
void kout() { cerr << endl; }
template<class T1, class ... T2> void kout(T1 a, T2 ... e) { cerr << a << " ", kout(e...); }
#else
#define print(...) 0
#define vprint(...) 0
#endif
namespace solver {
	int n, m, inv2 = 499122177;
	vector<int> dp, ok, cnt;
	vector<pii> es;
	void init_(int _n, int _m) {
		n = _n, m = _m;
		es.clear();
		dp.assign(1 << n, 0);
		ok.assign(1 << n, 0);
		cnt.assign(1 << n, 0);
	}
	int solve() {
		rep(i, 1, (1 << n) - 1) {
			bool yes = 0;
			for(auto j : es) {
				yes |= (((i >> (j.first - 1)) & 1) 
					&& ((i >> (j.second - 1)) & 1));
			}
			cnt[i] = __builtin_popcount(i);
			ok[i] = !yes; 
		}
		dp[0] = 1;
		rep(i, 1, (1 << n) - 1) {
			for(int j = i; j > 0; j = (j - 1) & i) {
				if(!ok[j]) continue;
				dp[i] = (dp[i] + ((cnt[j] & 1) ? 1 : -1) * dp[i ^ j]);
				if(dp[i] < 0) dp[i] += MOD;
				if(dp[i] >= MOD) dp[i] -= MOD;
			}
		}
		int ans = m * inv2 % MOD * dp[(1 << n) - 1] % MOD;
		return (ans + MOD) % MOD;
	}
};
using namespace solver;
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	int n, m; cin >> n >> m;
	init_(n, m);
	rep(i, 1, m) {
		int a, b; cin >> a >> b;
		es.push_back({a, b});
	}
	cout << solve() << "\n";
	return 0;
}

Compilation message

amusementpark.cpp:4: warning: ignoring '#pragma loop ' [-Wunknown-pragmas]
    4 | #pragma loop-opt(on)
      | 
amusementpark.cpp:24:13: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   24 | void vprint(auto L, auto R) {while(L < R) cerr << *L << " \n"[next(L) == R], ++L;}
      |             ^~~~
amusementpark.cpp:24:21: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   24 | void vprint(auto L, auto R) {while(L < R) cerr << *L << " \n"[next(L) == R], ++L;}
      |                     ^~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	1 ms	204 KB	Output is correct
42	Correct	1 ms	204 KB	Output is correct
43	Correct	0 ms	204 KB	Output is correct
44	Correct	0 ms	332 KB	Output is correct
45	Correct	1 ms	204 KB	Output is correct
46	Correct	1 ms	204 KB	Output is correct
47	Correct	0 ms	204 KB	Output is correct
48	Correct	1 ms	204 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	1 ms	204 KB	Output is correct
51	Correct	1 ms	204 KB	Output is correct
52	Correct	1 ms	332 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	204 KB	Output is correct
55	Correct	1 ms	204 KB	Output is correct
56	Correct	1 ms	332 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	1 ms	332 KB	Output is correct
59	Correct	1 ms	332 KB	Output is correct
60	Correct	1 ms	332 KB	Output is correct
61	Correct	1 ms	332 KB	Output is correct
62	Correct	1 ms	332 KB	Output is correct
63	Correct	1 ms	204 KB	Output is correct
64	Correct	1 ms	344 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	1 ms	204 KB	Output is correct
42	Correct	1 ms	204 KB	Output is correct
43	Correct	0 ms	204 KB	Output is correct
44	Correct	0 ms	332 KB	Output is correct
45	Correct	1 ms	204 KB	Output is correct
46	Correct	1 ms	204 KB	Output is correct
47	Correct	0 ms	204 KB	Output is correct
48	Correct	1 ms	204 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	1 ms	204 KB	Output is correct
51	Correct	1 ms	204 KB	Output is correct
52	Correct	1 ms	332 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	204 KB	Output is correct
55	Correct	1 ms	204 KB	Output is correct
56	Correct	1 ms	332 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	1 ms	332 KB	Output is correct
59	Correct	1 ms	332 KB	Output is correct
60	Correct	1 ms	332 KB	Output is correct
61	Correct	1 ms	332 KB	Output is correct
62	Correct	1 ms	332 KB	Output is correct
63	Correct	1 ms	204 KB	Output is correct
64	Correct	1 ms	344 KB	Output is correct
65	Correct	12 ms	732 KB	Output is correct
66	Correct	13 ms	728 KB	Output is correct
67	Correct	10 ms	728 KB	Output is correct
68	Correct	12 ms	724 KB	Output is correct
69	Correct	16 ms	600 KB	Output is correct
70	Correct	13 ms	736 KB	Output is correct
71	Correct	13 ms	592 KB	Output is correct
72	Correct	14 ms	732 KB	Output is correct
73	Correct	13 ms	736 KB	Output is correct
74	Correct	10 ms	588 KB	Output is correct
75	Correct	11 ms	716 KB	Output is correct
76	Correct	11 ms	716 KB	Output is correct
77	Correct	34 ms	972 KB	Output is correct
78	Correct	29 ms	1100 KB	Output is correct
79	Correct	28 ms	1100 KB	Output is correct
80	Correct	26 ms	1100 KB	Output is correct
81	Correct	26 ms	1100 KB	Output is correct
82	Correct	25 ms	1104 KB	Output is correct
83	Correct	24 ms	1104 KB	Output is correct
84	Correct	24 ms	1108 KB	Output is correct
85	Correct	47 ms	972 KB	Output is correct
86	Correct	35 ms	972 KB	Output is correct
87	Correct	43 ms	1100 KB	Output is correct
88	Correct	38 ms	1100 KB	Output is correct
89	Correct	74 ms	1100 KB	Output is correct
90	Correct	30 ms	1080 KB	Output is correct
91	Correct	31 ms	1100 KB	Output is correct
92	Correct	35 ms	1100 KB	Output is correct

Subtask #5
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	1 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	1 ms	204 KB	Output is correct
38	Correct	1 ms	204 KB	Output is correct
39	Correct	1 ms	204 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	1 ms	204 KB	Output is correct
42	Correct	1 ms	204 KB	Output is correct
43	Correct	0 ms	204 KB	Output is correct
44	Correct	0 ms	332 KB	Output is correct
45	Correct	1 ms	204 KB	Output is correct
46	Correct	1 ms	204 KB	Output is correct
47	Correct	0 ms	204 KB	Output is correct
48	Correct	1 ms	204 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	1 ms	204 KB	Output is correct
51	Correct	1 ms	204 KB	Output is correct
52	Correct	1 ms	332 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	204 KB	Output is correct
55	Correct	1 ms	204 KB	Output is correct
56	Correct	1 ms	332 KB	Output is correct
57	Correct	1 ms	204 KB	Output is correct
58	Correct	1 ms	332 KB	Output is correct
59	Correct	1 ms	332 KB	Output is correct
60	Correct	1 ms	332 KB	Output is correct
61	Correct	1 ms	332 KB	Output is correct
62	Correct	1 ms	332 KB	Output is correct
63	Correct	1 ms	204 KB	Output is correct
64	Correct	1 ms	344 KB	Output is correct
65	Correct	12 ms	732 KB	Output is correct
66	Correct	13 ms	728 KB	Output is correct
67	Correct	10 ms	728 KB	Output is correct
68	Correct	12 ms	724 KB	Output is correct
69	Correct	16 ms	600 KB	Output is correct
70	Correct	13 ms	736 KB	Output is correct
71	Correct	13 ms	592 KB	Output is correct
72	Correct	14 ms	732 KB	Output is correct
73	Correct	13 ms	736 KB	Output is correct
74	Correct	10 ms	588 KB	Output is correct
75	Correct	11 ms	716 KB	Output is correct
76	Correct	11 ms	716 KB	Output is correct
77	Correct	34 ms	972 KB	Output is correct
78	Correct	29 ms	1100 KB	Output is correct
79	Correct	28 ms	1100 KB	Output is correct
80	Correct	26 ms	1100 KB	Output is correct
81	Correct	26 ms	1100 KB	Output is correct
82	Correct	25 ms	1104 KB	Output is correct
83	Correct	24 ms	1104 KB	Output is correct
84	Correct	24 ms	1108 KB	Output is correct
85	Correct	47 ms	972 KB	Output is correct
86	Correct	35 ms	972 KB	Output is correct
87	Correct	43 ms	1100 KB	Output is correct
88	Correct	38 ms	1100 KB	Output is correct
89	Correct	74 ms	1100 KB	Output is correct
90	Correct	30 ms	1080 KB	Output is correct
91	Correct	31 ms	1100 KB	Output is correct
92	Correct	35 ms	1100 KB	Output is correct
93	Correct	1088 ms	6476 KB	Output is correct
94	Correct	1096 ms	6476 KB	Output is correct
95	Correct	1108 ms	6476 KB	Output is correct
96	Correct	918 ms	6476 KB	Output is correct
97	Correct	872 ms	6476 KB	Output is correct
98	Correct	919 ms	6596 KB	Output is correct
99	Correct	105 ms	1868 KB	Output is correct
100	Correct	92 ms	1868 KB	Output is correct
101	Correct	91 ms	1868 KB	Output is correct
102	Correct	70 ms	1868 KB	Output is correct
103	Correct	634 ms	3404 KB	Output is correct
104	Correct	396 ms	3404 KB	Output is correct
105	Correct	315 ms	3404 KB	Output is correct
106	Correct	259 ms	3404 KB	Output is correct
107	Correct	2003 ms	6476 KB	Output is correct
108	Correct	941 ms	6496 KB	Output is correct
109	Correct	754 ms	6476 KB	Output is correct
110	Correct	623 ms	6476 KB	Output is correct
111	Correct	66 ms	1868 KB	Output is correct
112	Correct	71 ms	1868 KB	Output is correct
113	Correct	61 ms	1868 KB	Output is correct
114	Correct	156 ms	1852 KB	Output is correct
115	Correct	112 ms	1868 KB	Output is correct
116	Correct	120 ms	1848 KB	Output is correct
117	Correct	116 ms	1848 KB	Output is correct
118	Correct	94 ms	1868 KB	Output is correct
119	Correct	89 ms	1868 KB	Output is correct
120	Correct	94 ms	1852 KB	Output is correct
121	Correct	90 ms	1868 KB	Output is correct
122	Correct	234 ms	3404 KB	Output is correct
123	Correct	217 ms	3404 KB	Output is correct
124	Correct	179 ms	3404 KB	Output is correct
125	Correct	183 ms	3404 KB	Output is correct
126	Correct	182 ms	3404 KB	Output is correct
127	Correct	180 ms	3404 KB	Output is correct
128	Correct	161 ms	3404 KB	Output is correct
129	Correct	156 ms	3404 KB	Output is correct
130	Correct	162 ms	3404 KB	Output is correct
131	Correct	451 ms	3404 KB	Output is correct
132	Correct	381 ms	3404 KB	Output is correct
133	Correct	339 ms	3404 KB	Output is correct
134	Correct	340 ms	3404 KB	Output is correct
135	Correct	276 ms	3404 KB	Output is correct
136	Correct	261 ms	3404 KB	Output is correct
137	Correct	266 ms	3404 KB	Output is correct
138	Correct	269 ms	3404 KB	Output is correct
139	Correct	235 ms	3404 KB	Output is correct
140	Correct	256 ms	3404 KB	Output is correct
141	Correct	228 ms	3404 KB	Output is correct
142	Correct	557 ms	6476 KB	Output is correct
143	Correct	508 ms	6492 KB	Output is correct
144	Correct	488 ms	6596 KB	Output is correct
145	Correct	471 ms	6596 KB	Output is correct
146	Correct	468 ms	6476 KB	Output is correct
147	Correct	443 ms	6476 KB	Output is correct
148	Correct	558 ms	6476 KB	Output is correct
149	Correct	531 ms	6476 KB	Output is correct
150	Correct	537 ms	6596 KB	Output is correct
151	Correct	673 ms	6476 KB	Output is correct
152	Correct	650 ms	6484 KB	Output is correct
153	Correct	907 ms	6476 KB	Output is correct
154	Correct	884 ms	6596 KB	Output is correct
155	Correct	850 ms	6596 KB	Output is correct
156	Correct	834 ms	6596 KB	Output is correct
157	Correct	812 ms	6596 KB	Output is correct
158	Correct	808 ms	6476 KB	Output is correct
159	Correct	749 ms	6484 KB	Output is correct
160	Correct	670 ms	6476 KB	Output is correct
161	Correct	696 ms	6476 KB	Output is correct
162	Correct	689 ms	6476 KB	Output is correct
163	Correct	616 ms	6596 KB	Output is correct
164	Correct	590 ms	6596 KB	Output is correct
165	Correct	591 ms	6476 KB	Output is correct
166	Correct	590 ms	6488 KB	Output is correct
167	Correct	605 ms	6476 KB	Output is correct

답안 #441145

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