oj.uz

Submission #936092

# Submission time Handle Problem Language Result Execution time Memory
936092 2024-03-01T06:20:02 Z Amirreza_Fakhri Amusement Park (CEOI19_amusementpark) C++17
100 / 100
 850 ms 4952 KB 
// In the name of the God
#include <bits/stdc++.h>
#define ll long long
#define int long long
#define pb push_back
#define F first
#define S second
#define mp make_pair
#define pii pair <int, int>
#define smin(x, y) (x) = min((x), (y))
#define smax(x, y) (x) = max((x), (y))
#define all(x) (x).begin(), (x).end()
using namespace std;

const int inf = 1e9+7;
const int mod = 998244353;
const int maxn = 18;

int n, m, adj[1<<maxn], ind[1<<maxn], dp[1<<maxn];

int32_t main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n >> m;
    for (int i = 0; i < m; i++) {
        int v, u; cin >> v >> u;
        adj[1<<(--v)] |= 1<<(--u);
        adj[1<<u] |= 1<<v;
    }
    ind[0] = 1;
    for (int mask = 1; mask < (1<<n); mask++) ind[mask] = ind[mask&(mask-1)]&!(adj[mask&(-mask)]&mask);
    dp[0] = 1;
    for (int mask = 1; mask < (1<<n); mask++) {
        for (int smask = mask; smask; smask = (smask-1)&mask) {
            if (ind[smask]) dp[mask] += (__builtin_parity(smask)*2-1)*dp[mask^smask];
        }
    }
    cout << (dp[(1<<n)-1]*m/2)%mod << '\n';
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4696 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4440 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4440 KB Output is correct
41 Correct 1 ms 4444 KB Output is correct
42 Correct 1 ms 4444 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 1 ms 4644 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 4444 KB Output is correct
51 Correct 1 ms 4440 KB Output is correct
52 Correct 1 ms 4440 KB Output is correct
53 Correct 1 ms 4564 KB Output is correct
54 Correct 1 ms 4440 KB Output is correct
55 Correct 1 ms 4444 KB Output is correct
56 Correct 1 ms 4444 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 1 ms 4444 KB Output is correct
59 Correct 1 ms 4444 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 1 ms 4444 KB Output is correct
62 Correct 1 ms 4444 KB Output is correct
63 Correct 1 ms 4444 KB Output is correct
64 Correct 1 ms 4444 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4696 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4440 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4440 KB Output is correct
41 Correct 1 ms 4444 KB Output is correct
42 Correct 1 ms 4444 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 1 ms 4644 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 4444 KB Output is correct
51 Correct 1 ms 4440 KB Output is correct
52 Correct 1 ms 4440 KB Output is correct
53 Correct 1 ms 4564 KB Output is correct
54 Correct 1 ms 4440 KB Output is correct
55 Correct 1 ms 4444 KB Output is correct
56 Correct 1 ms 4444 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 1 ms 4444 KB Output is correct
59 Correct 1 ms 4444 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 1 ms 4444 KB Output is correct
62 Correct 1 ms 4444 KB Output is correct
63 Correct 1 ms 4444 KB Output is correct
64 Correct 1 ms 4444 KB Output is correct
65 Correct 7 ms 4444 KB Output is correct
66 Correct 7 ms 4520 KB Output is correct
67 Correct 6 ms 4444 KB Output is correct
68 Correct 6 ms 4700 KB Output is correct
69 Correct 8 ms 4444 KB Output is correct
70 Correct 7 ms 4624 KB Output is correct
71 Correct 7 ms 4648 KB Output is correct
72 Correct 7 ms 4676 KB Output is correct
73 Correct 6 ms 4444 KB Output is correct
74 Correct 6 ms 4684 KB Output is correct
75 Correct 9 ms 4564 KB Output is correct
76 Correct 6 ms 4700 KB Output is correct
77 Correct 20 ms 4744 KB Output is correct
78 Correct 18 ms 4696 KB Output is correct
79 Correct 18 ms 4700 KB Output is correct
80 Correct 17 ms 4700 KB Output is correct
81 Correct 16 ms 4752 KB Output is correct
82 Correct 14 ms 4700 KB Output is correct
83 Correct 15 ms 4952 KB Output is correct
84 Correct 13 ms 4700 KB Output is correct
85 Correct 23 ms 4636 KB Output is correct
86 Correct 17 ms 4700 KB Output is correct
87 Correct 17 ms 4700 KB Output is correct
88 Correct 19 ms 4700 KB Output is correct
89 Correct 15 ms 4648 KB Output is correct
90 Correct 16 ms 4700 KB Output is correct
91 Correct 16 ms 4700 KB Output is correct
92 Correct 16 ms 4748 KB Output is correct

Subtask #5
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4440 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4696 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4440 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4440 KB Output is correct
41 Correct 1 ms 4444 KB Output is correct
42 Correct 1 ms 4444 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 1 ms 4644 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 1 ms 4444 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 4444 KB Output is correct
51 Correct 1 ms 4440 KB Output is correct
52 Correct 1 ms 4440 KB Output is correct
53 Correct 1 ms 4564 KB Output is correct
54 Correct 1 ms 4440 KB Output is correct
55 Correct 1 ms 4444 KB Output is correct
56 Correct 1 ms 4444 KB Output is correct
57 Correct 1 ms 4444 KB Output is correct
58 Correct 1 ms 4444 KB Output is correct
59 Correct 1 ms 4444 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 1 ms 4444 KB Output is correct
62 Correct 1 ms 4444 KB Output is correct
63 Correct 1 ms 4444 KB Output is correct
64 Correct 1 ms 4444 KB Output is correct
65 Correct 7 ms 4444 KB Output is correct
66 Correct 7 ms 4520 KB Output is correct
67 Correct 6 ms 4444 KB Output is correct
68 Correct 6 ms 4700 KB Output is correct
69 Correct 8 ms 4444 KB Output is correct
70 Correct 7 ms 4624 KB Output is correct
71 Correct 7 ms 4648 KB Output is correct
72 Correct 7 ms 4676 KB Output is correct
73 Correct 6 ms 4444 KB Output is correct
74 Correct 6 ms 4684 KB Output is correct
75 Correct 9 ms 4564 KB Output is correct
76 Correct 6 ms 4700 KB Output is correct
77 Correct 20 ms 4744 KB Output is correct
78 Correct 18 ms 4696 KB Output is correct
79 Correct 18 ms 4700 KB Output is correct
80 Correct 17 ms 4700 KB Output is correct
81 Correct 16 ms 4752 KB Output is correct
82 Correct 14 ms 4700 KB Output is correct
83 Correct 15 ms 4952 KB Output is correct
84 Correct 13 ms 4700 KB Output is correct
85 Correct 23 ms 4636 KB Output is correct
86 Correct 17 ms 4700 KB Output is correct
87 Correct 17 ms 4700 KB Output is correct
88 Correct 19 ms 4700 KB Output is correct
89 Correct 15 ms 4648 KB Output is correct
90 Correct 16 ms 4700 KB Output is correct
91 Correct 16 ms 4700 KB Output is correct
92 Correct 16 ms 4748 KB Output is correct
93 Correct 504 ms 4732 KB Output is correct
94 Correct 498 ms 4724 KB Output is correct
95 Correct 488 ms 4728 KB Output is correct
96 Correct 460 ms 4736 KB Output is correct
97 Correct 435 ms 4696 KB Output is correct
98 Correct 476 ms 4696 KB Output is correct
99 Correct 60 ms 4700 KB Output is correct
100 Correct 52 ms 4700 KB Output is correct
101 Correct 56 ms 4696 KB Output is correct
102 Correct 47 ms 4728 KB Output is correct
103 Correct 268 ms 3420 KB Output is correct
104 Correct 192 ms 4700 KB Output is correct
105 Correct 172 ms 4860 KB Output is correct
106 Correct 149 ms 4696 KB Output is correct
107 Correct 850 ms 4540 KB Output is correct
108 Correct 543 ms 4728 KB Output is correct
109 Correct 484 ms 4700 KB Output is correct
110 Correct 452 ms 4732 KB Output is correct
111 Correct 48 ms 4700 KB Output is correct
112 Correct 41 ms 4700 KB Output is correct
113 Correct 39 ms 4700 KB Output is correct
114 Correct 66 ms 4700 KB Output is correct
115 Correct 56 ms 4696 KB Output is correct
116 Correct 53 ms 4728 KB Output is correct
117 Correct 60 ms 4700 KB Output is correct
118 Correct 47 ms 4700 KB Output is correct
119 Correct 47 ms 4696 KB Output is correct
120 Correct 48 ms 4732 KB Output is correct
121 Correct 45 ms 4696 KB Output is correct
122 Correct 146 ms 4700 KB Output is correct
123 Correct 138 ms 4728 KB Output is correct
124 Correct 120 ms 4696 KB Output is correct
125 Correct 129 ms 4944 KB Output is correct
126 Correct 111 ms 4952 KB Output is correct
127 Correct 111 ms 4728 KB Output is correct
128 Correct 102 ms 4736 KB Output is correct
129 Correct 104 ms 4700 KB Output is correct
130 Correct 94 ms 4696 KB Output is correct
131 Correct 201 ms 4696 KB Output is correct
132 Correct 157 ms 4696 KB Output is correct
133 Correct 167 ms 4696 KB Output is correct
134 Correct 174 ms 4728 KB Output is correct
135 Correct 150 ms 4728 KB Output is correct
136 Correct 153 ms 4748 KB Output is correct
137 Correct 137 ms 4700 KB Output is correct
138 Correct 148 ms 4736 KB Output is correct
139 Correct 139 ms 4728 KB Output is correct
140 Correct 155 ms 4700 KB Output is correct
141 Correct 121 ms 4728 KB Output is correct
142 Correct 401 ms 4736 KB Output is correct
143 Correct 366 ms 4696 KB Output is correct
144 Correct 369 ms 4696 KB Output is correct
145 Correct 334 ms 4696 KB Output is correct
146 Correct 335 ms 4700 KB Output is correct
147 Correct 330 ms 4736 KB Output is correct
148 Correct 412 ms 4696 KB Output is correct
149 Correct 397 ms 4944 KB Output is correct
150 Correct 407 ms 4944 KB Output is correct
151 Correct 427 ms 4732 KB Output is correct
152 Correct 431 ms 4732 KB Output is correct
153 Correct 444 ms 4700 KB Output is correct
154 Correct 476 ms 4940 KB Output is correct
155 Correct 508 ms 4932 KB Output is correct
156 Correct 442 ms 4696 KB Output is correct
157 Correct 435 ms 4732 KB Output is correct
158 Correct 454 ms 4696 KB Output is correct
159 Correct 429 ms 4724 KB Output is correct
160 Correct 397 ms 4736 KB Output is correct
161 Correct 398 ms 4732 KB Output is correct
162 Correct 432 ms 4944 KB Output is correct
163 Correct 386 ms 4732 KB Output is correct
164 Correct 362 ms 4700 KB Output is correct
165 Correct 355 ms 4700 KB Output is correct
166 Correct 378 ms 4736 KB Output is correct
167 Correct 374 ms 4736 KB Output is correct