답안 #742057

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
742057 2023-05-15T13:36:06 Z nishkarsh Amusement Park (CEOI19_amusementpark) C++14
63 / 100
799 ms 3780 KB
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int N = 18;
const int mod = 998244353;
bool isindep[1<<N];
ll dp[1<<N];
int popcnt[1<<N];
int undirected_edge[N];
int main(){
	int n,m,a,b;
	cin >> n >> m;
	for(int i = 1; i <= m; i++){
		cin >> a >> b;
		a--;b--;
		undirected_edge[a] ^= (1<<b);
		undirected_edge[b] ^= (1<<a);
	}
	for(int i = 0; i < (1<<n); i++){
		int edges = 0;
		for(int j = 0; j < n; j++){
			if(i&(1<<j)){
				popcnt[i]++;
				edges |= undirected_edge[j];
			}
		}
		if((edges&i) == 0) isindep[i] = true;
	}
	dp[0] = 1;
	for(int i = 1; i < (1<<n); i++){
		for(int j = i; j > 0; j = (j-1)&i){
			if(isindep[j]){
				if(popcnt[j]&1) dp[i] += dp[i^j];
				else dp[i] -= dp[i^j];
			}
		}
		dp[i]%=mod;
	}
	ll ans = dp[(1<<n)-1];
	if(ans&1) ans += mod;
	ans >>= 1;
	ans *= m; ans %= mod;
	cout << ans;
	return 0;
}
# 결과 실행 시간 메모리 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 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
# 결과 실행 시간 메모리 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 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 1 ms 308 KB Output is correct
10 Correct 1 ms 316 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 0 ms 312 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 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 316 KB Output is correct
23 Correct 1 ms 312 KB Output is correct
24 Correct 1 ms 312 KB Output is correct
# 결과 실행 시간 메모리 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 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 1 ms 308 KB Output is correct
10 Correct 1 ms 316 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 0 ms 312 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 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 316 KB Output is correct
23 Correct 1 ms 312 KB Output is correct
24 Correct 1 ms 312 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 304 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 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 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 316 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 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 308 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 324 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 312 KB Output is correct
50 Correct 1 ms 308 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 308 KB Output is correct
55 Correct 1 ms 312 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 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 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 1 ms 308 KB Output is correct
10 Correct 1 ms 316 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 0 ms 312 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 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 316 KB Output is correct
23 Correct 1 ms 312 KB Output is correct
24 Correct 1 ms 312 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 304 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 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 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 316 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 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 308 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 324 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 312 KB Output is correct
50 Correct 1 ms 308 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 308 KB Output is correct
55 Correct 1 ms 312 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 8 ms 524 KB Output is correct
66 Correct 9 ms 468 KB Output is correct
67 Correct 8 ms 524 KB Output is correct
68 Correct 8 ms 468 KB Output is correct
69 Correct 14 ms 444 KB Output is correct
70 Correct 13 ms 436 KB Output is correct
71 Correct 9 ms 456 KB Output is correct
72 Correct 7 ms 440 KB Output is correct
73 Correct 9 ms 468 KB Output is correct
74 Correct 8 ms 436 KB Output is correct
75 Correct 8 ms 468 KB Output is correct
76 Correct 7 ms 468 KB Output is correct
77 Correct 27 ms 716 KB Output is correct
78 Correct 25 ms 652 KB Output is correct
79 Correct 25 ms 668 KB Output is correct
80 Correct 22 ms 680 KB Output is correct
81 Correct 24 ms 688 KB Output is correct
82 Correct 19 ms 692 KB Output is correct
83 Correct 18 ms 680 KB Output is correct
84 Correct 16 ms 692 KB Output is correct
85 Correct 32 ms 672 KB Output is correct
86 Correct 29 ms 724 KB Output is correct
87 Correct 25 ms 724 KB Output is correct
88 Correct 18 ms 692 KB Output is correct
89 Correct 25 ms 696 KB Output is correct
90 Correct 25 ms 652 KB Output is correct
91 Correct 26 ms 640 KB Output is correct
92 Correct 19 ms 724 KB Output is correct
# 결과 실행 시간 메모리 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 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 1 ms 308 KB Output is correct
10 Correct 1 ms 316 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 0 ms 312 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 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 316 KB Output is correct
23 Correct 1 ms 312 KB Output is correct
24 Correct 1 ms 312 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 304 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 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 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 316 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 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 308 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 324 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 312 KB Output is correct
50 Correct 1 ms 308 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 308 KB Output is correct
55 Correct 1 ms 312 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 8 ms 524 KB Output is correct
66 Correct 9 ms 468 KB Output is correct
67 Correct 8 ms 524 KB Output is correct
68 Correct 8 ms 468 KB Output is correct
69 Correct 14 ms 444 KB Output is correct
70 Correct 13 ms 436 KB Output is correct
71 Correct 9 ms 456 KB Output is correct
72 Correct 7 ms 440 KB Output is correct
73 Correct 9 ms 468 KB Output is correct
74 Correct 8 ms 436 KB Output is correct
75 Correct 8 ms 468 KB Output is correct
76 Correct 7 ms 468 KB Output is correct
77 Correct 27 ms 716 KB Output is correct
78 Correct 25 ms 652 KB Output is correct
79 Correct 25 ms 668 KB Output is correct
80 Correct 22 ms 680 KB Output is correct
81 Correct 24 ms 688 KB Output is correct
82 Correct 19 ms 692 KB Output is correct
83 Correct 18 ms 680 KB Output is correct
84 Correct 16 ms 692 KB Output is correct
85 Correct 32 ms 672 KB Output is correct
86 Correct 29 ms 724 KB Output is correct
87 Correct 25 ms 724 KB Output is correct
88 Correct 18 ms 692 KB Output is correct
89 Correct 25 ms 696 KB Output is correct
90 Correct 25 ms 652 KB Output is correct
91 Correct 26 ms 640 KB Output is correct
92 Correct 19 ms 724 KB Output is correct
93 Correct 799 ms 3696 KB Output is correct
94 Correct 768 ms 3600 KB Output is correct
95 Correct 749 ms 3528 KB Output is correct
96 Correct 659 ms 3568 KB Output is correct
97 Correct 581 ms 3780 KB Output is correct
98 Correct 681 ms 3596 KB Output is correct
99 Correct 81 ms 1044 KB Output is correct
100 Correct 69 ms 1088 KB Output is correct
101 Correct 66 ms 1072 KB Output is correct
102 Correct 59 ms 1104 KB Output is correct
103 Correct 287 ms 1956 KB Output is correct
104 Correct 200 ms 1936 KB Output is correct
105 Correct 205 ms 1936 KB Output is correct
106 Correct 215 ms 1908 KB Output is correct
107 Correct 664 ms 3580 KB Output is correct
108 Correct 569 ms 3560 KB Output is correct
109 Correct 538 ms 3496 KB Output is correct
110 Incorrect 480 ms 3360 KB Output isn't correct
111 Halted 0 ms 0 KB -