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Submission #599785

# Submission time Handle Problem Language Result Execution time Memory
599785 2022-07-19T22:48:18 Z flappybird Amusement Park (CEOI19_amusementpark) C++17
63 / 100
 3000 ms 1468 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#define MAX 20
#define MAXS 18
#define INF 1000000000000000001
#define bb ' '
#define ln '\n'
#define Ln '\n'
#define smin(a, x) (a)=(min((a), (x)))
ll dp[303030];
int ban[MAX];
const int mod = 998244353;
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	int N, M;
	cin >> N >> M;
	int i, a, b;
	for (i = 1; i <= M; i++) {
		cin >> a >> b;
		ban[--a] |= 1 << --b;
		ban[b] |= 1 << a;
	}
	int K = 1 << N;
	dp[0] = 1;
	for (i = 0; i < K; i++) {
		int j;
		for (j = i; j; (--j) &= i) {
			int c = 0;
			for (int k = 0; k < N; k++) if ((j & (1 << k)) && (ban[k] & j)) c = 1;
			if (c) continue;
			int mul = -1;
			for (int k = 0; k < N; k++) if (j & (1 << k)) mul *= -1;
			dp[i] += dp[i ^ j] * mul;
			dp[i] %= mod;
		}
	}
	if (dp[K - 1] < 0) dp[K - 1] += mod;
	dp[K - 1] *= M;
	dp[K - 1] %= mod;
	if (dp[K - 1] % 2) dp[K - 1] += mod;
	dp[K - 1] /= 2;
	cout << dp[K - 1] << ln;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 324 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 324 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 328 KB Output is correct
24 Correct 1 ms 328 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 324 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 324 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 328 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 324 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 324 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 324 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 328 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 324 KB Output is correct
49 Correct 1 ms 328 KB Output is correct
50 Correct 1 ms 324 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 2 ms 340 KB Output is correct
53 Correct 1 ms 328 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 1 ms 328 KB Output is correct
56 Correct 2 ms 212 KB Output is correct
57 Correct 1 ms 324 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 1 ms 324 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 2 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 2 ms 212 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 324 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 324 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 328 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 324 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 324 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 324 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 328 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 324 KB Output is correct
49 Correct 1 ms 328 KB Output is correct
50 Correct 1 ms 324 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 2 ms 340 KB Output is correct
53 Correct 1 ms 328 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 1 ms 328 KB Output is correct
56 Correct 2 ms 212 KB Output is correct
57 Correct 1 ms 324 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 1 ms 324 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 2 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 2 ms 212 KB Output is correct
65 Correct 80 ms 372 KB Output is correct
66 Correct 76 ms 412 KB Output is correct
67 Correct 73 ms 324 KB Output is correct
68 Correct 70 ms 380 KB Output is correct
69 Correct 114 ms 372 KB Output is correct
70 Correct 120 ms 504 KB Output is correct
71 Correct 100 ms 372 KB Output is correct
72 Correct 99 ms 356 KB Output is correct
73 Correct 88 ms 340 KB Output is correct
74 Correct 89 ms 428 KB Output is correct
75 Correct 100 ms 544 KB Output is correct
76 Correct 94 ms 348 KB Output is correct
77 Correct 242 ms 500 KB Output is correct
78 Correct 236 ms 484 KB Output is correct
79 Correct 249 ms 688 KB Output is correct
80 Correct 228 ms 504 KB Output is correct
81 Correct 217 ms 688 KB Output is correct
82 Correct 213 ms 556 KB Output is correct
83 Correct 217 ms 564 KB Output is correct
84 Correct 206 ms 552 KB Output is correct
85 Correct 291 ms 596 KB Output is correct
86 Correct 311 ms 568 KB Output is correct
87 Correct 281 ms 520 KB Output is correct
88 Correct 283 ms 632 KB Output is correct
89 Correct 244 ms 620 KB Output is correct
90 Correct 265 ms 600 KB Output is correct
91 Correct 254 ms 492 KB Output is correct
92 Correct 306 ms 604 KB Output is correct

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 324 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 324 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 328 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 ms 324 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 324 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 324 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 328 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 324 KB Output is correct
49 Correct 1 ms 328 KB Output is correct
50 Correct 1 ms 324 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 2 ms 340 KB Output is correct
53 Correct 1 ms 328 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 1 ms 328 KB Output is correct
56 Correct 2 ms 212 KB Output is correct
57 Correct 1 ms 324 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 1 ms 324 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 2 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 2 ms 212 KB Output is correct
65 Correct 80 ms 372 KB Output is correct
66 Correct 76 ms 412 KB Output is correct
67 Correct 73 ms 324 KB Output is correct
68 Correct 70 ms 380 KB Output is correct
69 Correct 114 ms 372 KB Output is correct
70 Correct 120 ms 504 KB Output is correct
71 Correct 100 ms 372 KB Output is correct
72 Correct 99 ms 356 KB Output is correct
73 Correct 88 ms 340 KB Output is correct
74 Correct 89 ms 428 KB Output is correct
75 Correct 100 ms 544 KB Output is correct
76 Correct 94 ms 348 KB Output is correct
77 Correct 242 ms 500 KB Output is correct
78 Correct 236 ms 484 KB Output is correct
79 Correct 249 ms 688 KB Output is correct
80 Correct 228 ms 504 KB Output is correct
81 Correct 217 ms 688 KB Output is correct
82 Correct 213 ms 556 KB Output is correct
83 Correct 217 ms 564 KB Output is correct
84 Correct 206 ms 552 KB Output is correct
85 Correct 291 ms 596 KB Output is correct
86 Correct 311 ms 568 KB Output is correct
87 Correct 281 ms 520 KB Output is correct
88 Correct 283 ms 632 KB Output is correct
89 Correct 244 ms 620 KB Output is correct
90 Correct 265 ms 600 KB Output is correct
91 Correct 254 ms 492 KB Output is correct
92 Correct 306 ms 604 KB Output is correct
93 Execution timed out 3064 ms 1468 KB Time limit exceeded
94 Halted 0 ms 0 KB -