Submission #579555

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
579555	2022-06-19T11:19:52 Z	amunduzbaev	Amusement Park (CEOI19_amusementpark)	C++17	63 / 100	3000 ms	28236 KB

amusementpark

#include "bits/stdc++.h"
using namespace std;
 
#define ar array
typedef int64_t ll;
//~ #define int ll
 
const int mod = 119 << 23 | 1;
const int N = 18;
map<int, int> dp[1 << N];
int is[N];
 
int bp(int a, int b){
	int c = 1;
	while(b){
		if(b & 1) c = c * 1ll * a % mod;
		a = a * 1ll * a % mod, b >>= 1;
	} return c;
}
 
signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n, m; cin>>n>>m;
	for(int i=0;i<m;i++){
		int a, b; cin>>a>>b;
		--a, --b;
		is[a] |= (1 << b);
		is[b] |= (1 << a);
	}
	
	dp[0][0] = 1;
	for(int mask=0;mask < (1 << n);mask++){
		for(int j=0;j<n;j++){
			if(mask >> j & 1) continue;
			
			int on_j = mask | (1 << j);
			for(int m2=on_j;m2 < (1 << n); m2++, m2 |= on_j){
				int bad = m2 ^ on_j;
				if(!dp[mask].count(bad)) continue;
				int edge_out = ((1 << n) - 1) ^ (is[j] ^ (is[j] & mask));
				int bad2 = ((bad | ((1 << j) - 1)) ^ (mask & ((1 << j) - 1))) & edge_out;
				int& res = dp[on_j][bad2];
				res = (res + dp[mask][bad]);
				if(res >= mod) res -= mod;
			}
		}
	}
	
	int res = dp[(1 << n) - 1][0];
	//~ cout<<res<<"\n";
	cout<<res * 1ll * bp(2, mod - 2) % mod * m % mod<<"\n";
}

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	12500 KB	Output is correct
2	Correct	8 ms	12628 KB	Output is correct
3	Correct	8 ms	12628 KB	Output is correct
4	Correct	8 ms	12628 KB	Output is correct
5	Correct	7 ms	12628 KB	Output is correct
6	Correct	8 ms	12628 KB	Output is correct
7	Correct	8 ms	12500 KB	Output is correct
8	Correct	7 ms	12628 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	12500 KB	Output is correct
2	Correct	8 ms	12628 KB	Output is correct
3	Correct	8 ms	12628 KB	Output is correct
4	Correct	8 ms	12628 KB	Output is correct
5	Correct	7 ms	12628 KB	Output is correct
6	Correct	8 ms	12628 KB	Output is correct
7	Correct	8 ms	12500 KB	Output is correct
8	Correct	7 ms	12628 KB	Output is correct
9	Correct	8 ms	12628 KB	Output is correct
10	Correct	7 ms	12628 KB	Output is correct
11	Correct	7 ms	12628 KB	Output is correct
12	Correct	8 ms	12628 KB	Output is correct
13	Correct	6 ms	12628 KB	Output is correct
14	Correct	8 ms	12504 KB	Output is correct
15	Correct	9 ms	12628 KB	Output is correct
16	Correct	7 ms	12624 KB	Output is correct
17	Correct	7 ms	12628 KB	Output is correct
18	Correct	8 ms	12632 KB	Output is correct
19	Correct	7 ms	12612 KB	Output is correct
20	Correct	7 ms	12628 KB	Output is correct
21	Correct	8 ms	12628 KB	Output is correct
22	Correct	7 ms	12632 KB	Output is correct
23	Correct	8 ms	12636 KB	Output is correct
24	Correct	7 ms	12552 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	12500 KB	Output is correct
2	Correct	8 ms	12628 KB	Output is correct
3	Correct	8 ms	12628 KB	Output is correct
4	Correct	8 ms	12628 KB	Output is correct
5	Correct	7 ms	12628 KB	Output is correct
6	Correct	8 ms	12628 KB	Output is correct
7	Correct	8 ms	12500 KB	Output is correct
8	Correct	7 ms	12628 KB	Output is correct
9	Correct	8 ms	12628 KB	Output is correct
10	Correct	7 ms	12628 KB	Output is correct
11	Correct	7 ms	12628 KB	Output is correct
12	Correct	8 ms	12628 KB	Output is correct
13	Correct	6 ms	12628 KB	Output is correct
14	Correct	8 ms	12504 KB	Output is correct
15	Correct	9 ms	12628 KB	Output is correct
16	Correct	7 ms	12624 KB	Output is correct
17	Correct	7 ms	12628 KB	Output is correct
18	Correct	8 ms	12632 KB	Output is correct
19	Correct	7 ms	12612 KB	Output is correct
20	Correct	7 ms	12628 KB	Output is correct
21	Correct	8 ms	12628 KB	Output is correct
22	Correct	7 ms	12632 KB	Output is correct
23	Correct	8 ms	12636 KB	Output is correct
24	Correct	7 ms	12552 KB	Output is correct
25	Correct	6 ms	12628 KB	Output is correct
26	Correct	7 ms	12628 KB	Output is correct
27	Correct	9 ms	12628 KB	Output is correct
28	Correct	7 ms	12628 KB	Output is correct
29	Correct	9 ms	12628 KB	Output is correct
30	Correct	7 ms	12632 KB	Output is correct
31	Correct	7 ms	12588 KB	Output is correct
32	Correct	8 ms	12628 KB	Output is correct
33	Correct	7 ms	12628 KB	Output is correct
34	Correct	9 ms	12628 KB	Output is correct
35	Correct	7 ms	12628 KB	Output is correct
36	Correct	7 ms	12584 KB	Output is correct
37	Correct	7 ms	12628 KB	Output is correct
38	Correct	8 ms	12628 KB	Output is correct
39	Correct	9 ms	12596 KB	Output is correct
40	Correct	9 ms	12628 KB	Output is correct
41	Correct	7 ms	12628 KB	Output is correct
42	Correct	10 ms	12628 KB	Output is correct
43	Correct	8 ms	12628 KB	Output is correct
44	Correct	8 ms	12572 KB	Output is correct
45	Correct	7 ms	12628 KB	Output is correct
46	Correct	7 ms	12628 KB	Output is correct
47	Correct	7 ms	12628 KB	Output is correct
48	Correct	8 ms	12628 KB	Output is correct
49	Correct	10 ms	12628 KB	Output is correct
50	Correct	9 ms	12668 KB	Output is correct
51	Correct	7 ms	12628 KB	Output is correct
52	Correct	7 ms	12628 KB	Output is correct
53	Correct	10 ms	12620 KB	Output is correct
54	Correct	8 ms	12628 KB	Output is correct
55	Correct	10 ms	12744 KB	Output is correct
56	Correct	9 ms	12820 KB	Output is correct
57	Correct	10 ms	12684 KB	Output is correct
58	Correct	10 ms	12628 KB	Output is correct
59	Correct	9 ms	12628 KB	Output is correct
60	Correct	8 ms	12628 KB	Output is correct
61	Correct	9 ms	12628 KB	Output is correct
62	Correct	8 ms	12628 KB	Output is correct
63	Correct	8 ms	12628 KB	Output is correct
64	Correct	8 ms	12740 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	12500 KB	Output is correct
2	Correct	8 ms	12628 KB	Output is correct
3	Correct	8 ms	12628 KB	Output is correct
4	Correct	8 ms	12628 KB	Output is correct
5	Correct	7 ms	12628 KB	Output is correct
6	Correct	8 ms	12628 KB	Output is correct
7	Correct	8 ms	12500 KB	Output is correct
8	Correct	7 ms	12628 KB	Output is correct
9	Correct	8 ms	12628 KB	Output is correct
10	Correct	7 ms	12628 KB	Output is correct
11	Correct	7 ms	12628 KB	Output is correct
12	Correct	8 ms	12628 KB	Output is correct
13	Correct	6 ms	12628 KB	Output is correct
14	Correct	8 ms	12504 KB	Output is correct
15	Correct	9 ms	12628 KB	Output is correct
16	Correct	7 ms	12624 KB	Output is correct
17	Correct	7 ms	12628 KB	Output is correct
18	Correct	8 ms	12632 KB	Output is correct
19	Correct	7 ms	12612 KB	Output is correct
20	Correct	7 ms	12628 KB	Output is correct
21	Correct	8 ms	12628 KB	Output is correct
22	Correct	7 ms	12632 KB	Output is correct
23	Correct	8 ms	12636 KB	Output is correct
24	Correct	7 ms	12552 KB	Output is correct
25	Correct	6 ms	12628 KB	Output is correct
26	Correct	7 ms	12628 KB	Output is correct
27	Correct	9 ms	12628 KB	Output is correct
28	Correct	7 ms	12628 KB	Output is correct
29	Correct	9 ms	12628 KB	Output is correct
30	Correct	7 ms	12632 KB	Output is correct
31	Correct	7 ms	12588 KB	Output is correct
32	Correct	8 ms	12628 KB	Output is correct
33	Correct	7 ms	12628 KB	Output is correct
34	Correct	9 ms	12628 KB	Output is correct
35	Correct	7 ms	12628 KB	Output is correct
36	Correct	7 ms	12584 KB	Output is correct
37	Correct	7 ms	12628 KB	Output is correct
38	Correct	8 ms	12628 KB	Output is correct
39	Correct	9 ms	12596 KB	Output is correct
40	Correct	9 ms	12628 KB	Output is correct
41	Correct	7 ms	12628 KB	Output is correct
42	Correct	10 ms	12628 KB	Output is correct
43	Correct	8 ms	12628 KB	Output is correct
44	Correct	8 ms	12572 KB	Output is correct
45	Correct	7 ms	12628 KB	Output is correct
46	Correct	7 ms	12628 KB	Output is correct
47	Correct	7 ms	12628 KB	Output is correct
48	Correct	8 ms	12628 KB	Output is correct
49	Correct	10 ms	12628 KB	Output is correct
50	Correct	9 ms	12668 KB	Output is correct
51	Correct	7 ms	12628 KB	Output is correct
52	Correct	7 ms	12628 KB	Output is correct
53	Correct	10 ms	12620 KB	Output is correct
54	Correct	8 ms	12628 KB	Output is correct
55	Correct	10 ms	12744 KB	Output is correct
56	Correct	9 ms	12820 KB	Output is correct
57	Correct	10 ms	12684 KB	Output is correct
58	Correct	10 ms	12628 KB	Output is correct
59	Correct	9 ms	12628 KB	Output is correct
60	Correct	8 ms	12628 KB	Output is correct
61	Correct	9 ms	12628 KB	Output is correct
62	Correct	8 ms	12628 KB	Output is correct
63	Correct	8 ms	12628 KB	Output is correct
64	Correct	8 ms	12740 KB	Output is correct
65	Correct	106 ms	17304 KB	Output is correct
66	Correct	191 ms	18752 KB	Output is correct
67	Correct	135 ms	18196 KB	Output is correct
68	Correct	123 ms	17908 KB	Output is correct
69	Correct	88 ms	14436 KB	Output is correct
70	Correct	83 ms	14872 KB	Output is correct
71	Correct	82 ms	14912 KB	Output is correct
72	Correct	86 ms	14932 KB	Output is correct
73	Correct	93 ms	15016 KB	Output is correct
74	Correct	88 ms	15056 KB	Output is correct
75	Correct	83 ms	14984 KB	Output is correct
76	Correct	91 ms	15056 KB	Output is correct
77	Correct	392 ms	23808 KB	Output is correct
78	Correct	328 ms	25048 KB	Output is correct
79	Correct	439 ms	28236 KB	Output is correct
80	Correct	361 ms	25496 KB	Output is correct
81	Correct	410 ms	26636 KB	Output is correct
82	Correct	373 ms	25248 KB	Output is correct
83	Correct	400 ms	24884 KB	Output is correct
84	Correct	353 ms	21420 KB	Output is correct
85	Correct	270 ms	16580 KB	Output is correct
86	Correct	277 ms	17592 KB	Output is correct
87	Correct	295 ms	17512 KB	Output is correct
88	Correct	252 ms	17676 KB	Output is correct
89	Correct	242 ms	17744 KB	Output is correct
90	Correct	252 ms	17744 KB	Output is correct
91	Correct	259 ms	17768 KB	Output is correct
92	Correct	264 ms	17740 KB	Output is correct

Subtask #5
0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	12500 KB	Output is correct
2	Correct	8 ms	12628 KB	Output is correct
3	Correct	8 ms	12628 KB	Output is correct
4	Correct	8 ms	12628 KB	Output is correct
5	Correct	7 ms	12628 KB	Output is correct
6	Correct	8 ms	12628 KB	Output is correct
7	Correct	8 ms	12500 KB	Output is correct
8	Correct	7 ms	12628 KB	Output is correct
9	Correct	8 ms	12628 KB	Output is correct
10	Correct	7 ms	12628 KB	Output is correct
11	Correct	7 ms	12628 KB	Output is correct
12	Correct	8 ms	12628 KB	Output is correct
13	Correct	6 ms	12628 KB	Output is correct
14	Correct	8 ms	12504 KB	Output is correct
15	Correct	9 ms	12628 KB	Output is correct
16	Correct	7 ms	12624 KB	Output is correct
17	Correct	7 ms	12628 KB	Output is correct
18	Correct	8 ms	12632 KB	Output is correct
19	Correct	7 ms	12612 KB	Output is correct
20	Correct	7 ms	12628 KB	Output is correct
21	Correct	8 ms	12628 KB	Output is correct
22	Correct	7 ms	12632 KB	Output is correct
23	Correct	8 ms	12636 KB	Output is correct
24	Correct	7 ms	12552 KB	Output is correct
25	Correct	6 ms	12628 KB	Output is correct
26	Correct	7 ms	12628 KB	Output is correct
27	Correct	9 ms	12628 KB	Output is correct
28	Correct	7 ms	12628 KB	Output is correct
29	Correct	9 ms	12628 KB	Output is correct
30	Correct	7 ms	12632 KB	Output is correct
31	Correct	7 ms	12588 KB	Output is correct
32	Correct	8 ms	12628 KB	Output is correct
33	Correct	7 ms	12628 KB	Output is correct
34	Correct	9 ms	12628 KB	Output is correct
35	Correct	7 ms	12628 KB	Output is correct
36	Correct	7 ms	12584 KB	Output is correct
37	Correct	7 ms	12628 KB	Output is correct
38	Correct	8 ms	12628 KB	Output is correct
39	Correct	9 ms	12596 KB	Output is correct
40	Correct	9 ms	12628 KB	Output is correct
41	Correct	7 ms	12628 KB	Output is correct
42	Correct	10 ms	12628 KB	Output is correct
43	Correct	8 ms	12628 KB	Output is correct
44	Correct	8 ms	12572 KB	Output is correct
45	Correct	7 ms	12628 KB	Output is correct
46	Correct	7 ms	12628 KB	Output is correct
47	Correct	7 ms	12628 KB	Output is correct
48	Correct	8 ms	12628 KB	Output is correct
49	Correct	10 ms	12628 KB	Output is correct
50	Correct	9 ms	12668 KB	Output is correct
51	Correct	7 ms	12628 KB	Output is correct
52	Correct	7 ms	12628 KB	Output is correct
53	Correct	10 ms	12620 KB	Output is correct
54	Correct	8 ms	12628 KB	Output is correct
55	Correct	10 ms	12744 KB	Output is correct
56	Correct	9 ms	12820 KB	Output is correct
57	Correct	10 ms	12684 KB	Output is correct
58	Correct	10 ms	12628 KB	Output is correct
59	Correct	9 ms	12628 KB	Output is correct
60	Correct	8 ms	12628 KB	Output is correct
61	Correct	9 ms	12628 KB	Output is correct
62	Correct	8 ms	12628 KB	Output is correct
63	Correct	8 ms	12628 KB	Output is correct
64	Correct	8 ms	12740 KB	Output is correct
65	Correct	106 ms	17304 KB	Output is correct
66	Correct	191 ms	18752 KB	Output is correct
67	Correct	135 ms	18196 KB	Output is correct
68	Correct	123 ms	17908 KB	Output is correct
69	Correct	88 ms	14436 KB	Output is correct
70	Correct	83 ms	14872 KB	Output is correct
71	Correct	82 ms	14912 KB	Output is correct
72	Correct	86 ms	14932 KB	Output is correct
73	Correct	93 ms	15016 KB	Output is correct
74	Correct	88 ms	15056 KB	Output is correct
75	Correct	83 ms	14984 KB	Output is correct
76	Correct	91 ms	15056 KB	Output is correct
77	Correct	392 ms	23808 KB	Output is correct
78	Correct	328 ms	25048 KB	Output is correct
79	Correct	439 ms	28236 KB	Output is correct
80	Correct	361 ms	25496 KB	Output is correct
81	Correct	410 ms	26636 KB	Output is correct
82	Correct	373 ms	25248 KB	Output is correct
83	Correct	400 ms	24884 KB	Output is correct
84	Correct	353 ms	21420 KB	Output is correct
85	Correct	270 ms	16580 KB	Output is correct
86	Correct	277 ms	17592 KB	Output is correct
87	Correct	295 ms	17512 KB	Output is correct
88	Correct	252 ms	17676 KB	Output is correct
89	Correct	242 ms	17744 KB	Output is correct
90	Correct	252 ms	17744 KB	Output is correct
91	Correct	259 ms	17768 KB	Output is correct
92	Correct	264 ms	17740 KB	Output is correct
93	Execution timed out	3066 ms	25124 KB	Time limit exceeded
94	Halted	0 ms	0 KB	-

Submission #579555

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 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
0 / 37.0