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#768539#5089. 环覆盖NineSuns5 788ms117500kbC++14869b2024-11-21 12:00:492024-11-21 12:00:51

Judging History

你现在查看的是最新测评结果

  • [2024-11-21 12:00:51]
  • 评测
  • 测评结果：5
  • 用时：788ms
  • 内存：117500kb
查看
  • [2024-11-21 12:00:49]
  • 提交

answer

#include <bits/stdc++.h>
#define ll long long
#define pii pair <int, int>
#define fi first
#define se second
#define pb push_back

using namespace std;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
const int N = 45, mod = 1e9+7; 
int n, m, d[N], v[N]; 
unordered_map <int, int> f[N], g[N]; 

void solve () {
	cin >> n >> m; 
	for (int i = 1;i <= m;i++) {
		int x, y; cin >> x >> y; 
		v[i] = (1<<x-1)|(1<<y-1); 
	}
	f[0][0] = 1; 
	for (int i = 1;i <= m;i++) {
		for (int j = 0;j <= i;j++) g[j].clear(); 
		for (int z = 0;z < i;z++) {
			for (auto j : f[z]) {
				(g[z+1][j.fi^v[i]] += j.se) %= mod; 
				(g[z][j.fi] += j.se) %= mod; 
			}
		}
		swap(f, g); 
	}
	for (int i = 0;i <= m;i++) {
		int ans = 0; 
		cout << f[i][0] << " "; 
	}
}

signed main () {
	int T = 1; 
	while (T--) solve();
	return 0;
}
源文件, 语言: C++14

详细

Subtask #1:

score: 5
Accepted

Test #1:

score: 5
Accepted
time: 0ms
memory: 3632kb

input:

10 9
3 5
3 10
4 7
4 8
5 6
5 9
6 9
7 9
9 10

output:

1 0 0 1 1 1 0 0 0 0

result:

ok 10 numbers

Test #2:

score: 5
Accepted
time: 0ms
memory: 3812kb

input:

8 15
1 4
1 5
1 8
2 4
2 6
3 6
4 5
4 6
4 7
5 6
5 7
5 8
6 7
6 8
7 8

output:

1 0 0 10 18 26 46 54 43 30 18 8 2 0 0 0

result:

ok 16 numbers

Test #3:

score: 5
Accepted
time: 93ms
memory: 29556kb

input:

19 19
1 12
1 16
1 18
2 8
2 17
3 11
3 17
4 9
4 19
5 17
7 13
8 17
9 13
9 15
9 17
10 16
10 18
14 17
15 16

output:

1 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0

result:

ok 20 numbers

Test #4:

score: 5
Accepted
time: 1ms
memory: 3736kb

input:

7 14
1 3
1 4
1 7
2 3
2 5
2 6
2 7
3 4
3 5
3 7
4 7
5 6
5 7
6 7

output:

1 0 0 11 16 18 46 64 47 30 18 5 0 0 0

result:

ok 15 numbers

Test #5:

score: 5
Accepted
time: 0ms
memory: 3884kb

input:

10 9
1 9
2 6
3 5
3 8
3 10
4 6
4 8
5 6
7 10

output:

1 0 0 0 0 1 0 0 0 0

result:

ok 10 numbers

Test #6:

score: 5
Accepted
time: 2ms
memory: 4528kb

input:

15 14
2 9
2 10
3 5
3 10
3 12
3 14
4 6
5 10
5 15
6 9
6 15
7 11
7 13
9 15

output:

1 0 0 2 0 1 3 1 0 0 0 0 0 0 0

result:

ok 15 numbers

Test #7:

score: 5
Accepted
time: 0ms
memory: 3628kb

input:

9 8
1 3
2 4
2 7
3 5
3 9
4 6
7 9
8 9

output:

1 0 0 0 0 0 0 0 0

result:

ok 9 numbers

Test #8:

score: 5
Accepted
time: 25ms
memory: 13816kb

input:

19 18
1 5
1 9
1 15
2 4
2 11
2 15
3 6
3 8
3 17
4 19
5 12
6 13
6 15
8 10
8 15
9 19
12 17
13 16

output:

1 0 0 0 1 0 1 2 0 0 1 2 0 0 0 0 0 0 0

result:

ok 19 numbers

Test #9:

score: 5
Accepted
time: 1ms
memory: 3636kb

input:

7 18
1 2
1 3
1 4
1 6
1 7
2 3
2 5
2 6
2 7
3 4
3 5
3 7
4 5
4 6
4 7
5 6
5 7
6 7

output:

1 0 0 20 51 108 278 528 711 760 660 468 293 156 54 8 0 0 0

result:

ok 19 numbers

Test #10:

score: 5
Accepted
time: 1ms
memory: 3996kb

input:

10 15
1 6
2 4
2 6
2 9
2 10
3 5
3 8
3 9
3 10
4 5
4 8
5 8
5 10
7 9
8 9

output:

1 0 0 4 6 12 16 12 9 4 0 0 0 0 0 0

result:

ok 16 numbers

Subtask #2:

score: 0
Time Limit Exceeded

Dependency #1:

100%
Accepted

Test #11:

score: 15
Accepted
time: 4ms
memory: 4540kb

input:

10 22
1 2
1 3
1 4
1 6
1 8
1 9
2 3
2 4
2 5
2 7
2 8
2 10
3 8
3 10
4 7
4 8
5 7
5 10
6 10
7 9
8 10
9 10

output:

1 0 0 13 33 64 162 367 621 906 1216 1343 1215 988 682 353 146 58 20 4 0 0 0

result:

ok 23 numbers

Test #12:

score: 15
Accepted
time: 26ms
memory: 6248kb

input:

11 38
1 2
1 3
1 4
1 6
1 7
1 8
1 10
2 5
2 8
2 9
2 10
2 11
3 5
3 6
3 7
3 9
3 10
3 11
4 5
4 7
4 11
5 6
5 7
5 9
5 10
5 11
6 7
6 8
6 9
6 10
6 11
7 8
7 9
7 10
8 9
8 11
9 11
10 11

output:

1 0 0 50 210 800 3661 14805 51947 164232 466335 1177265 2639525 5274024 9420013 15077609 21687685 28100640 32827271 34579721 32851761 28140784 21708463 15062239 9394113 5261128 2639589 1183171 472151 166600 51607 13987 3278 656 117 17 1 0 0

result:

ok 39 numbers

Test #13:

score: 15
Accepted
time: 8ms
memory: 5152kb

input:

11 24
1 3
1 4
1 7
1 8
2 6
2 7
2 8
3 4
3 5
3 6
3 8
3 10
4 7
4 9
5 7
5 9
5 11
6 8
6 10
6 11
7 10
7 11
8 9
8 10

output:

1 0 0 9 26 65 147 343 709 1179 1783 2437 2715 2489 1993 1341 702 297 109 30 7 2 0 0 0

result:

ok 25 numbers

Test #14:

score: 15
Accepted
time: 23ms
memory: 6284kb

input:

11 37
1 2
1 4
1 5
1 6
1 7
1 10
2 3
2 4
2 6
2 7
2 8
2 9
2 10
3 5
3 6
3 8
3 10
3 11
4 5
4 6
4 9
4 10
4 11
5 7
5 9
6 7
6 8
6 10
6 11
7 9
7 10
7 11
8 9
8 10
8 11
9 10
10 11

output:

1 0 0 46 189 675 2952 11644 39587 121171 335150 825420 1798517 3475223 5977332 9174036 12597741 15530759 17234898 17229504 15512559 12574521 9163776 5982788 3484905 1805833 829874 336708 120415 37965 10436 2476 518 93 14 2 0 0

result:

ok 38 numbers

Test #15:

score: 15
Accepted
time: 490ms
memory: 67908kb

input:

19 24
1 9
1 10
1 17
1 19
2 3
3 6
4 8
4 10
4 13
4 14
5 7
7 11
8 13
8 17
9 12
9 16
10 19
11 15
11 17
12 16
13 15
14 15
14 17
14 19

output:

1 0 0 3 5 8 14 25 31 36 40 33 27 20 10 3 0 0 0 0 0 0 0 0 0

result:

ok 25 numbers

Test #16:

score: 15
Accepted
time: 4ms
memory: 4084kb

input:

9 30
1 3
1 4
1 5
1 6
1 7
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 4
3 5
3 6
3 7
3 8
4 5
4 6
4 8
4 9
5 6
5 7
5 8
5 9
6 7
6 8
6 9
7 9
8 9

output:

1 0 0 48 175 568 2365 8050 22348 54852 117479 214858 338872 467840 567602 604996 567273 467832 338270 213748 117607 55912 22753 7882 2298 548 107 18 2 0 0

result:

ok 31 numbers

Test #17:

score: 15
Accepted
time: 788ms
memory: 117500kb

input:

18 24
1 2
1 7
1 13
1 15
1 17
2 3
2 17
3 9
4 6
4 7
5 8
5 15
5 16
6 7
6 14
7 14
8 11
8 16
10 16
11 12
11 18
14 16
14 17
15 16

output:

1 0 0 5 3 4 14 15 16 21 21 16 8 3 1 0 0 0 0 0 0 0 0 0 0

result:

ok 25 numbers

Test #18:

score: 15
Accepted
time: 19ms
memory: 6960kb

input:

13 27
1 2
1 5
1 7
1 10
1 11
1 12
2 3
2 4
2 12
3 4
3 11
3 12
4 5
4 7
4 12
4 13
5 9
5 10
5 11
7 8
7 9
7 11
7 12
8 11
9 13
10 12
11 13

output:

1 0 0 12 37 85 229 607 1265 2371 4146 6130 7924 9384 9660 8504 6605 4404 2430 1122 423 139 47 9 1 1 0 0

result:

ok 28 numbers

Test #19:

score: 15
Accepted
time: 1ms
memory: 3720kb

input:

7 21
1 2
1 3
1 4
1 5
1 6
1 7
2 3
2 4
2 5
2 6
2 7
3 4
3 5
3 6
3 7
4 5
4 6
4 7
5 6
5 7
6 7

output:

1 0 0 35 105 252 805 1935 3255 4515 5481 5481 4515 3255 1935 805 252 105 35 0 0 1

result:

ok 22 numbers

Test #20:

score: 15
Accepted
time: 760ms
memory: 93708kb

input:

18 32
1 4
1 7
1 12
1 16
1 17
1 18
2 3
2 4
2 6
2 8
2 9
2 10
2 17
2 18
3 9
3 15
3 18
4 11
4 12
4 15
4 16
5 17
6 10
6 15
6 17
7 8
9 16
9 18
10 11
11 12
11 16
14 17

output:

1 0 0 10 18 41 122 291 623 1198 2148 3576 5244 6798 8004 8546 8223 7176 5608 3798 2226 1153 498 163 49 18 4 0 0 0 0 0 0

result:

ok 33 numbers

Test #21:

score: 15
Accepted
time: 14ms
memory: 8232kb

input:

17 21
1 5
1 9
1 12
2 3
2 9
2 11
2 12
2 13
2 15
3 13
4 5
4 9
4 11
4 13
5 8
5 15
7 8
7 9
8 10
8 15
12 13

output:

1 0 0 3 6 15 21 32 55 75 87 75 56 45 27 10 2 1 1 0 0 0

result:

ok 22 numbers

Test #22:

score: 15
Accepted
time: 412ms
memory: 75964kb

input:

18 25
1 5
1 6
1 7
1 18
3 4
3 9
3 18
4 9
4 15
5 8
5 10
5 13
5 16
5 17
6 14
6 16
7 8
8 9
9 10
9 14
10 12
10 15
11 12
13 18
16 17

output:

1 0 0 2 5 2 17 21 25 49 57 68 59 68 67 37 22 9 3 0 0 0 0 0 0 0

result:

ok 26 numbers

Test #23:

score: 15
Accepted
time: 15ms
memory: 5920kb

input:

11 31
1 2
1 6
1 7
1 8
1 10
1 11
2 3
2 4
2 7
2 8
3 5
3 6
3 10
3 11
4 5
4 6
4 7
4 8
4 10
5 6
5 8
5 9
5 10
6 10
6 11
7 8
7 10
7 11
8 9
8 11
9 10

output:

1 0 0 25 80 252 931 2947 8105 19882 43247 82492 137162 199904 257302 292622 293531 259948 203238 139705 83764 43252 18951 6991 2155 538 107 18 2 0 0 0

result:

ok 32 numbers

Test #24:

score: 15
Accepted
time: 7ms
memory: 5100kb

input:

11 23
1 3
1 6
1 7
1 8
1 10
1 11
2 4
2 7
2 9
2 10
3 4
3 6
3 8
3 9
3 11
4 5
4 6
4 9
5 8
5 10
6 11
8 9
9 11

output:

1 0 0 10 22 49 126 253 455 770 1080 1267 1327 1146 774 475 272 114 36 11 3 1 0 0

result:

ok 24 numbers

Test #25:

score: 15
Accepted
time: 18ms
memory: 6920kb

input:

12 26
1 2
1 4
1 5
1 6
1 8
1 9
1 11
1 12
2 3
2 6
2 8
2 10
2 12
3 10
3 11
3 12
4 6
4 7
4 9
5 9
5 10
6 7
6 8
6 11
7 10
8 9

output:

1 0 0 13 25 58 172 367 751 1471 2425 3509 4595 5207 4957 3973 2676 1501 699 266 80 19 3 0 0 0 0

result:

ok 27 numbers

Test #26:

score: 15
Accepted
time: 420ms
memory: 41152kb

input:

15 36
1 3
1 6
2 5
2 11
2 14
2 15
3 6
3 7
3 9
3 11
3 12
3 13
4 10
4 11
4 14
5 6
5 9
5 10
5 11
5 12
5 15
6 13
6 14
7 8
7 12
7 13
7 15
8 9
8 13
8 14
10 14
11 13
12 13
12 14
12 15
13 14

output:

1 0 0 16 47 142 453 1358 3739 9187 20868 43655 82997 144331 229041 329775 431023 509806 542672 519878 448465 346692 239031 146924 80469 38975 16428 5939 1835 467 83 7 0 0 0 0 0

result:

ok 37 numbers

Test #27:

score: 0
Time Limit Exceeded

input:

17 40
1 3
1 5
1 6
1 8
2 3
2 7
2 8
2 9
2 17
3 5
3 7
3 8
3 9
3 11
4 5
4 7
4 10
4 12
5 6
5 8
5 15
6 12
6 13
6 15
6 17
7 15
8 11
8 14
8 16
9 12
9 13
9 14
9 16
10 11
10 16
11 12
11 16
11 17
12 14
12 17

output:

result:

Subtask #3:

score: 0
Time Limit Exceeded

Test #31:

score: 0
Time Limit Exceeded

input:

25 45
1 6
1 12
1 17
2 3
2 4
2 6
3 6
3 8
4 5
4 12
4 16
5 17
6 21
7 14
7 22
7 23
8 15
8 19
8 24
9 11
9 19
9 23
9 25
10 17
10 18
11 16
11 19
11 22
12 19
13 18
14 19
15 19
16 24
17 19
17 22
17 25
18 19
18 21
18 24
19 23
20 22
21 25
22 23
23 25
24 25

output:

result:

Subtask #4:

score: 0
Skipped

Dependency #2:

0%

Subtask #5:

score: 0
Skipped

Dependency #4:

0%
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服务器时间: 2024-12-05 05:01:23 | 开源项目