답안 #572962

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
572962	2022-06-05T15:03:28 Z	piOOE	Amusement Park (CEOI19_amusementpark)	C++17	100 / 100	1620 ms	234792 KB

amusementpark

#include <bits/stdc++.h>

using namespace std;

#define sz(x) ((int)size(x))
#define all(x) begin(x), end(x)
#define trace(x) cout << #x << ": " << (x) << endl;

typedef long long ll;

mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

int rand(int l, int r) { return (int) ((ll) rnd() % (r - l + 1)) + l; }

const int N = 18, MOD = 998244353;

int adj[N];

map<int, int> dp[1 << N];

int add(int a, int b) {
    return a + b < MOD ? a + b : a + b - MOD;
}

int mul(int a, int b) {
    return a * (ll) b % MOD;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, m;
    cin >> n >> m;
    for (int i = 0; i < m; ++i) {
        int a, b;
        cin >> a >> b;
        --a, --b;
        adj[a] |= (1 << b);
        adj[b] |= (1 << a);
    }
    dp[0][(1 << n) - 1] = 1;
    for (int a = 0; a < (1 << n); ++a) {
        for (auto [b, cnt] : dp[a]) {
            for (int i = 0; i < n; ++i) {
                if (b & 1 << i) {
                    int newb = b & ((1 << n) - (1 << (i + 1)));
                    newb = newb | ((adj[i] | a) ^ a);
                    dp[a ^ (1 << i)][newb] = add(dp[a ^ (1 << i)][newb], cnt);
                }
            }
        }
    }
    cout << mul(dp[(1 << n) - 1][0], mul(m, (MOD + 1) / 2));
    return 0;
}

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	12628 KB	Output is correct
2	Correct	7 ms	12628 KB	Output is correct
3	Correct	8 ms	12640 KB	Output is correct
4	Correct	8 ms	12612 KB	Output is correct
5	Correct	7 ms	12628 KB	Output is correct
6	Correct	7 ms	12636 KB	Output is correct
7	Correct	7 ms	12632 KB	Output is correct
8	Correct	8 ms	12628 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	12628 KB	Output is correct
2	Correct	7 ms	12628 KB	Output is correct
3	Correct	8 ms	12640 KB	Output is correct
4	Correct	8 ms	12612 KB	Output is correct
5	Correct	7 ms	12628 KB	Output is correct
6	Correct	7 ms	12636 KB	Output is correct
7	Correct	7 ms	12632 KB	Output is correct
8	Correct	8 ms	12628 KB	Output is correct
9	Correct	6 ms	12628 KB	Output is correct
10	Correct	7 ms	12564 KB	Output is correct
11	Correct	8 ms	12636 KB	Output is correct
12	Correct	6 ms	12640 KB	Output is correct
13	Correct	7 ms	12628 KB	Output is correct
14	Correct	7 ms	12640 KB	Output is correct
15	Correct	7 ms	12632 KB	Output is correct
16	Correct	7 ms	12520 KB	Output is correct
17	Correct	7 ms	12628 KB	Output is correct
18	Correct	7 ms	12628 KB	Output is correct
19	Correct	8 ms	12648 KB	Output is correct
20	Correct	6 ms	12628 KB	Output is correct
21	Correct	7 ms	12632 KB	Output is correct
22	Correct	7 ms	12632 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	6 ms	12628 KB	Output is correct
2	Correct	7 ms	12628 KB	Output is correct
3	Correct	8 ms	12640 KB	Output is correct
4	Correct	8 ms	12612 KB	Output is correct
5	Correct	7 ms	12628 KB	Output is correct
6	Correct	7 ms	12636 KB	Output is correct
7	Correct	7 ms	12632 KB	Output is correct
8	Correct	8 ms	12628 KB	Output is correct
9	Correct	6 ms	12628 KB	Output is correct
10	Correct	7 ms	12564 KB	Output is correct
11	Correct	8 ms	12636 KB	Output is correct
12	Correct	6 ms	12640 KB	Output is correct
13	Correct	7 ms	12628 KB	Output is correct
14	Correct	7 ms	12640 KB	Output is correct
15	Correct	7 ms	12632 KB	Output is correct
16	Correct	7 ms	12520 KB	Output is correct
17	Correct	7 ms	12628 KB	Output is correct
18	Correct	7 ms	12628 KB	Output is correct
19	Correct	8 ms	12648 KB	Output is correct
20	Correct	6 ms	12628 KB	Output is correct
21	Correct	7 ms	12632 KB	Output is correct
22	Correct	7 ms	12632 KB	Output is correct
23	Correct	6 ms	12628 KB	Output is correct
24	Correct	7 ms	12628 KB	Output is correct
25	Correct	6 ms	12632 KB	Output is correct
26	Correct	7 ms	12628 KB	Output is correct
27	Correct	6 ms	12628 KB	Output is correct
28	Correct	7 ms	12640 KB	Output is correct
29	Correct	6 ms	12632 KB	Output is correct
30	Correct	8 ms	12628 KB	Output is correct
31	Correct	7 ms	12628 KB	Output is correct
32	Correct	6 ms	12628 KB	Output is correct
33	Correct	8 ms	12628 KB	Output is correct
34	Correct	6 ms	12628 KB	Output is correct
35	Correct	7 ms	12628 KB	Output is correct
36	Correct	6 ms	12628 KB	Output is correct
37	Correct	7 ms	12640 KB	Output is correct
38	Correct	6 ms	12628 KB	Output is correct
39	Correct	6 ms	12640 KB	Output is correct
40	Correct	7 ms	12628 KB	Output is correct
41	Correct	6 ms	12628 KB	Output is correct
42	Correct	7 ms	12628 KB	Output is correct
43	Correct	7 ms	12628 KB	Output is correct
44	Correct	7 ms	12596 KB	Output is correct
45	Correct	6 ms	12648 KB	Output is correct
46	Correct	6 ms	12628 KB	Output is correct
47	Correct	7 ms	12636 KB	Output is correct
48	Correct	7 ms	12628 KB	Output is correct
49	Correct	6 ms	12644 KB	Output is correct
50	Correct	7 ms	12628 KB	Output is correct
51	Correct	6 ms	12628 KB	Output is correct
52	Correct	7 ms	12628 KB	Output is correct
53	Correct	7 ms	12640 KB	Output is correct
54	Correct	7 ms	12768 KB	Output is correct
55	Correct	7 ms	12672 KB	Output is correct
56	Correct	8 ms	12772 KB	Output is correct
57	Correct	7 ms	12756 KB	Output is correct
58	Correct	7 ms	12756 KB	Output is correct
59	Correct	7 ms	12640 KB	Output is correct
60	Correct	7 ms	12640 KB	Output is correct
61	Correct	7 ms	12628 KB	Output is correct
62	Correct	7 ms	12628 KB	Output is correct
63	Correct	8 ms	12644 KB	Output is correct
64	Correct	7 ms	12644 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	12628 KB	Output is correct
2	Correct	7 ms	12628 KB	Output is correct
3	Correct	8 ms	12640 KB	Output is correct
4	Correct	8 ms	12612 KB	Output is correct
5	Correct	7 ms	12628 KB	Output is correct
6	Correct	7 ms	12636 KB	Output is correct
7	Correct	7 ms	12632 KB	Output is correct
8	Correct	8 ms	12628 KB	Output is correct
9	Correct	6 ms	12628 KB	Output is correct
10	Correct	7 ms	12564 KB	Output is correct
11	Correct	8 ms	12636 KB	Output is correct
12	Correct	6 ms	12640 KB	Output is correct
13	Correct	7 ms	12628 KB	Output is correct
14	Correct	7 ms	12640 KB	Output is correct
15	Correct	7 ms	12632 KB	Output is correct
16	Correct	7 ms	12520 KB	Output is correct
17	Correct	7 ms	12628 KB	Output is correct
18	Correct	7 ms	12628 KB	Output is correct
19	Correct	8 ms	12648 KB	Output is correct
20	Correct	6 ms	12628 KB	Output is correct
21	Correct	7 ms	12632 KB	Output is correct
22	Correct	7 ms	12632 KB	Output is correct
23	Correct	6 ms	12628 KB	Output is correct
24	Correct	7 ms	12628 KB	Output is correct
25	Correct	6 ms	12632 KB	Output is correct
26	Correct	7 ms	12628 KB	Output is correct
27	Correct	6 ms	12628 KB	Output is correct
28	Correct	7 ms	12640 KB	Output is correct
29	Correct	6 ms	12632 KB	Output is correct
30	Correct	8 ms	12628 KB	Output is correct
31	Correct	7 ms	12628 KB	Output is correct
32	Correct	6 ms	12628 KB	Output is correct
33	Correct	8 ms	12628 KB	Output is correct
34	Correct	6 ms	12628 KB	Output is correct
35	Correct	7 ms	12628 KB	Output is correct
36	Correct	6 ms	12628 KB	Output is correct
37	Correct	7 ms	12640 KB	Output is correct
38	Correct	6 ms	12628 KB	Output is correct
39	Correct	6 ms	12640 KB	Output is correct
40	Correct	7 ms	12628 KB	Output is correct
41	Correct	6 ms	12628 KB	Output is correct
42	Correct	7 ms	12628 KB	Output is correct
43	Correct	7 ms	12628 KB	Output is correct
44	Correct	7 ms	12596 KB	Output is correct
45	Correct	6 ms	12648 KB	Output is correct
46	Correct	6 ms	12628 KB	Output is correct
47	Correct	7 ms	12636 KB	Output is correct
48	Correct	7 ms	12628 KB	Output is correct
49	Correct	6 ms	12644 KB	Output is correct
50	Correct	7 ms	12628 KB	Output is correct
51	Correct	6 ms	12628 KB	Output is correct
52	Correct	7 ms	12628 KB	Output is correct
53	Correct	7 ms	12640 KB	Output is correct
54	Correct	7 ms	12768 KB	Output is correct
55	Correct	7 ms	12672 KB	Output is correct
56	Correct	8 ms	12772 KB	Output is correct
57	Correct	7 ms	12756 KB	Output is correct
58	Correct	7 ms	12756 KB	Output is correct
59	Correct	7 ms	12640 KB	Output is correct
60	Correct	7 ms	12640 KB	Output is correct
61	Correct	7 ms	12628 KB	Output is correct
62	Correct	7 ms	12628 KB	Output is correct
63	Correct	8 ms	12644 KB	Output is correct
64	Correct	7 ms	12644 KB	Output is correct
65	Correct	29 ms	17312 KB	Output is correct
66	Correct	37 ms	18764 KB	Output is correct
67	Correct	34 ms	18260 KB	Output is correct
68	Correct	33 ms	17880 KB	Output is correct
69	Correct	13 ms	14568 KB	Output is correct
70	Correct	13 ms	14932 KB	Output is correct
71	Correct	18 ms	14932 KB	Output is correct
72	Correct	13 ms	14996 KB	Output is correct
73	Correct	14 ms	15072 KB	Output is correct
74	Correct	14 ms	15060 KB	Output is correct
75	Correct	14 ms	15060 KB	Output is correct
76	Correct	13 ms	15060 KB	Output is correct
77	Correct	61 ms	23860 KB	Output is correct
78	Correct	69 ms	25036 KB	Output is correct
79	Correct	91 ms	28080 KB	Output is correct
80	Correct	74 ms	25436 KB	Output is correct
81	Correct	87 ms	26704 KB	Output is correct
82	Correct	74 ms	25320 KB	Output is correct
83	Correct	75 ms	24792 KB	Output is correct
84	Correct	50 ms	21324 KB	Output is correct
85	Correct	17 ms	16660 KB	Output is correct
86	Correct	23 ms	17520 KB	Output is correct
87	Correct	23 ms	17632 KB	Output is correct
88	Correct	21 ms	17620 KB	Output is correct
89	Correct	23 ms	17740 KB	Output is correct
90	Correct	23 ms	17736 KB	Output is correct
91	Correct	24 ms	17764 KB	Output is correct
92	Correct	22 ms	17776 KB	Output is correct

Subtask #5
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	12628 KB	Output is correct
2	Correct	7 ms	12628 KB	Output is correct
3	Correct	8 ms	12640 KB	Output is correct
4	Correct	8 ms	12612 KB	Output is correct
5	Correct	7 ms	12628 KB	Output is correct
6	Correct	7 ms	12636 KB	Output is correct
7	Correct	7 ms	12632 KB	Output is correct
8	Correct	8 ms	12628 KB	Output is correct
9	Correct	6 ms	12628 KB	Output is correct
10	Correct	7 ms	12564 KB	Output is correct
11	Correct	8 ms	12636 KB	Output is correct
12	Correct	6 ms	12640 KB	Output is correct
13	Correct	7 ms	12628 KB	Output is correct
14	Correct	7 ms	12640 KB	Output is correct
15	Correct	7 ms	12632 KB	Output is correct
16	Correct	7 ms	12520 KB	Output is correct
17	Correct	7 ms	12628 KB	Output is correct
18	Correct	7 ms	12628 KB	Output is correct
19	Correct	8 ms	12648 KB	Output is correct
20	Correct	6 ms	12628 KB	Output is correct
21	Correct	7 ms	12632 KB	Output is correct
22	Correct	7 ms	12632 KB	Output is correct
23	Correct	6 ms	12628 KB	Output is correct
24	Correct	7 ms	12628 KB	Output is correct
25	Correct	6 ms	12632 KB	Output is correct
26	Correct	7 ms	12628 KB	Output is correct
27	Correct	6 ms	12628 KB	Output is correct
28	Correct	7 ms	12640 KB	Output is correct
29	Correct	6 ms	12632 KB	Output is correct
30	Correct	8 ms	12628 KB	Output is correct
31	Correct	7 ms	12628 KB	Output is correct
32	Correct	6 ms	12628 KB	Output is correct
33	Correct	8 ms	12628 KB	Output is correct
34	Correct	6 ms	12628 KB	Output is correct
35	Correct	7 ms	12628 KB	Output is correct
36	Correct	6 ms	12628 KB	Output is correct
37	Correct	7 ms	12640 KB	Output is correct
38	Correct	6 ms	12628 KB	Output is correct
39	Correct	6 ms	12640 KB	Output is correct
40	Correct	7 ms	12628 KB	Output is correct
41	Correct	6 ms	12628 KB	Output is correct
42	Correct	7 ms	12628 KB	Output is correct
43	Correct	7 ms	12628 KB	Output is correct
44	Correct	7 ms	12596 KB	Output is correct
45	Correct	6 ms	12648 KB	Output is correct
46	Correct	6 ms	12628 KB	Output is correct
47	Correct	7 ms	12636 KB	Output is correct
48	Correct	7 ms	12628 KB	Output is correct
49	Correct	6 ms	12644 KB	Output is correct
50	Correct	7 ms	12628 KB	Output is correct
51	Correct	6 ms	12628 KB	Output is correct
52	Correct	7 ms	12628 KB	Output is correct
53	Correct	7 ms	12640 KB	Output is correct
54	Correct	7 ms	12768 KB	Output is correct
55	Correct	7 ms	12672 KB	Output is correct
56	Correct	8 ms	12772 KB	Output is correct
57	Correct	7 ms	12756 KB	Output is correct
58	Correct	7 ms	12756 KB	Output is correct
59	Correct	7 ms	12640 KB	Output is correct
60	Correct	7 ms	12640 KB	Output is correct
61	Correct	7 ms	12628 KB	Output is correct
62	Correct	7 ms	12628 KB	Output is correct
63	Correct	8 ms	12644 KB	Output is correct
64	Correct	7 ms	12644 KB	Output is correct
65	Correct	29 ms	17312 KB	Output is correct
66	Correct	37 ms	18764 KB	Output is correct
67	Correct	34 ms	18260 KB	Output is correct
68	Correct	33 ms	17880 KB	Output is correct
69	Correct	13 ms	14568 KB	Output is correct
70	Correct	13 ms	14932 KB	Output is correct
71	Correct	18 ms	14932 KB	Output is correct
72	Correct	13 ms	14996 KB	Output is correct
73	Correct	14 ms	15072 KB	Output is correct
74	Correct	14 ms	15060 KB	Output is correct
75	Correct	14 ms	15060 KB	Output is correct
76	Correct	13 ms	15060 KB	Output is correct
77	Correct	61 ms	23860 KB	Output is correct
78	Correct	69 ms	25036 KB	Output is correct
79	Correct	91 ms	28080 KB	Output is correct
80	Correct	74 ms	25436 KB	Output is correct
81	Correct	87 ms	26704 KB	Output is correct
82	Correct	74 ms	25320 KB	Output is correct
83	Correct	75 ms	24792 KB	Output is correct
84	Correct	50 ms	21324 KB	Output is correct
85	Correct	17 ms	16660 KB	Output is correct
86	Correct	23 ms	17520 KB	Output is correct
87	Correct	23 ms	17632 KB	Output is correct
88	Correct	21 ms	17620 KB	Output is correct
89	Correct	23 ms	17740 KB	Output is correct
90	Correct	23 ms	17736 KB	Output is correct
91	Correct	24 ms	17764 KB	Output is correct
92	Correct	22 ms	17776 KB	Output is correct
93	Correct	208 ms	59648 KB	Output is correct
94	Correct	78 ms	32332 KB	Output is correct
95	Correct	40 ms	26496 KB	Output is correct
96	Correct	211 ms	62628 KB	Output is correct
97	Correct	218 ms	62028 KB	Output is correct
98	Correct	190 ms	58656 KB	Output is correct
99	Correct	79 ms	29400 KB	Output is correct
100	Correct	149 ms	38892 KB	Output is correct
101	Correct	232 ms	46872 KB	Output is correct
102	Correct	293 ms	48716 KB	Output is correct
103	Correct	24 ms	18720 KB	Output is correct
104	Correct	22 ms	19284 KB	Output is correct
105	Correct	78 ms	30968 KB	Output is correct
106	Correct	310 ms	66440 KB	Output is correct
107	Correct	30 ms	24916 KB	Output is correct
108	Correct	173 ms	54512 KB	Output is correct
109	Correct	725 ms	131068 KB	Output is correct
110	Correct	1620 ms	234792 KB	Output is correct
111	Correct	220 ms	48456 KB	Output is correct
112	Correct	179 ms	41816 KB	Output is correct
113	Correct	168 ms	40064 KB	Output is correct
114	Correct	32 ms	21076 KB	Output is correct
115	Correct	42 ms	23112 KB	Output is correct
116	Correct	41 ms	23116 KB	Output is correct
117	Correct	39 ms	23120 KB	Output is correct
118	Correct	46 ms	23776 KB	Output is correct
119	Correct	53 ms	23692 KB	Output is correct
120	Correct	43 ms	23700 KB	Output is correct
121	Correct	41 ms	23664 KB	Output is correct
122	Correct	360 ms	73252 KB	Output is correct
123	Correct	535 ms	95164 KB	Output is correct
124	Correct	507 ms	90032 KB	Output is correct
125	Correct	463 ms	83108 KB	Output is correct
126	Correct	419 ms	74796 KB	Output is correct
127	Correct	265 ms	54392 KB	Output is correct
128	Correct	151 ms	39496 KB	Output is correct
129	Correct	90 ms	29132 KB	Output is correct
130	Correct	28 ms	18800 KB	Output is correct
131	Correct	66 ms	30296 KB	Output is correct
132	Correct	86 ms	34888 KB	Output is correct
133	Correct	88 ms	34892 KB	Output is correct
134	Correct	90 ms	34904 KB	Output is correct
135	Correct	98 ms	36428 KB	Output is correct
136	Correct	98 ms	36284 KB	Output is correct
137	Correct	92 ms	36268 KB	Output is correct
138	Correct	87 ms	36264 KB	Output is correct
139	Correct	101 ms	36084 KB	Output is correct
140	Correct	109 ms	36172 KB	Output is correct
141	Correct	124 ms	36036 KB	Output is correct
142	Correct	1245 ms	196672 KB	Output is correct
143	Correct	1233 ms	182736 KB	Output is correct
144	Correct	850 ms	135020 KB	Output is correct
145	Correct	603 ms	101428 KB	Output is correct
146	Correct	272 ms	58572 KB	Output is correct
147	Correct	51 ms	24828 KB	Output is correct
148	Correct	1212 ms	186412 KB	Output is correct
149	Correct	1177 ms	181992 KB	Output is correct
150	Correct	1425 ms	206844 KB	Output is correct
151	Correct	191 ms	60492 KB	Output is correct
152	Correct	220 ms	63700 KB	Output is correct
153	Correct	206 ms	62636 KB	Output is correct
154	Correct	214 ms	62628 KB	Output is correct
155	Correct	229 ms	62696 KB	Output is correct
156	Correct	192 ms	62636 KB	Output is correct
157	Correct	221 ms	62564 KB	Output is correct
158	Correct	229 ms	62704 KB	Output is correct
159	Correct	214 ms	62448 KB	Output is correct
160	Correct	217 ms	62432 KB	Output is correct
161	Correct	202 ms	62396 KB	Output is correct
162	Correct	209 ms	60704 KB	Output is correct
163	Correct	220 ms	60712 KB	Output is correct
164	Correct	229 ms	60696 KB	Output is correct
165	Correct	231 ms	60620 KB	Output is correct
166	Correct	193 ms	60640 KB	Output is correct
167	Correct	193 ms	60656 KB	Output is correct

답안 #572962

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