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#768765#5089. 环覆盖NineSuns20 552ms62736kbC++141.3kb2024-11-21 14:22:062024-11-21 14:22:06

Judging History

你现在查看的是最新测评结果

  • [2024-11-21 14:22:06]
  • 评测
  • 测评结果：20
  • 用时：552ms
  • 内存：62736kb
查看
  • [2024-11-21 14:22:06]
  • 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 = 505, mod = 1e9+7; 
int n, m, d[N], v[N]; 
vector <int> e[N]; 
unordered_map <int, int> fl[N], fr[N], g[N]; 

void solve () {
	cin >> n >> m; 
	for (int i = 1;i <= m;i++) {
		int x, y; cin >> x >> y; 
		x--; y--;
		v[i] = (1<<x)|(1<<y); 
	}
	sort(v+1, v+1+m); 
	int mid = m/2; 
	fl[0][0] = 1; 
	for (int i = 1;i <= mid;i++) {
		for (int j = 0;j <= m;j++) g[j] = fl[j]; 
		for (int j = 0;j <= m;j++) {
			for (auto z : fl[j]) (g[j+1][z.fi^v[i]] += z.se) %= mod;//, cout << "CHECK:" << z.fi << " " << z.se << endl; 
		}
		for (int j = 0;j <= m;j++) swap(fl[j], g[j]); 
	} 
	
	fr[0][0] = 1; 
	for (int i = m;i > mid;i--) {
		for (int j = 0;j <= m;j++) g[j] = fr[j]; 
		for (int j = 0;j <= m;j++) {
			for (auto z : fr[j]) (g[j+1][z.fi^v[i]] += z.se) %= mod;  
		}
		for (int j = 0;j <= m;j++) swap(fr[j], g[j]); 
	}
	for (int i = 0;i <= m;i++) {
		int ans = 0; 
		for (int j = 0;j <= i;j++) for (auto z : fl[j]) if (fr[i-j].count(z.fi)) (ans += 1ll*z.se*fr[i-j][z.fi]) %= mod; 
		cout << ans << " "; 
	}
}

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: 3636kb

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: 1ms
memory: 3640kb

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: 1ms
memory: 3796kb

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: 3908kb

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: 3868kb

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: 0ms
memory: 3764kb

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: 3728kb

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: 1ms
memory: 3800kb

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: 0ms
memory: 3924kb

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: 0ms
memory: 3756kb

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: 15
Accepted

Dependency #1:

100%
Accepted

Test #11:

score: 15
Accepted
time: 1ms
memory: 3780kb

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: 4ms
memory: 4780kb

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: 1ms
memory: 3904kb

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: 3ms
memory: 4652kb

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: 2ms
memory: 4012kb

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: 1ms
memory: 3900kb

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: 2ms
memory: 4032kb

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: 2ms
memory: 4452kb

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: 0ms
memory: 3788kb

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: 7ms
memory: 5332kb

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: 1ms
memory: 3804kb

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: 2ms
memory: 4536kb

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: 2ms
memory: 4096kb

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: 0ms
memory: 4136kb

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: 0ms
memory: 4020kb

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: 16ms
memory: 7428kb

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: 15
Accepted
time: 26ms
memory: 13520kb

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:

1 0 0 15 35 114 403 1162 3281 8752 21580 49554 105445 207380 375007 621544 945721 1318606 1677800 1947770 2063989 1989450 1738049 1375770 984863 634460 367508 191810 89635 37264 13901 4628 1334 326 56 3 0 0 0 0 0

result:

ok 41 numbers

Test #28:

score: 15
Accepted
time: 1ms
memory: 3876kb

input:

19 22
1 8
1 17
2 7
2 13
3 6
3 8
3 9
3 17
4 8
5 10
5 12
5 17
6 9
7 10
8 11
9 11
9 13
10 16
11 12
11 15
12 17
15 19

output:

1 0 0 2 2 4 6 6 7 7 7 7 5 5 3 1 1 0 0 0 0 0 0

result:

ok 23 numbers

Test #29:

score: 15
Accepted
time: 41ms
memory: 14532kb

input:

18 37
1 3
1 12
2 14
3 4
3 8
3 11
3 14
3 16
4 12
5 6
5 7
5 17
6 7
6 8
6 12
6 14
6 18
7 8
7 9
7 12
7 14
8 15
8 18
9 13
9 18
10 12
10 15
11 17
12 13
12 14
13 14
13 16
13 18
14 17
15 16
16 18
17 18

output:

1 0 0 10 33 82 233 654 1551 3511 7445 14215 25024 40511 60096 82061 102886 118406 124842 120512 106865 86464 63433 42184 24919 12915 6033 2495 862 255 62 13 3 0 0 0 0 0

result:

ok 38 numbers

Test #30:

score: 15
Accepted
time: 1ms
memory: 3864kb

input:

16 22
1 4
1 7
1 13
1 14
2 4
2 11
3 6
3 8
3 9
4 7
4 8
4 14
5 14
6 13
8 11
8 15
10 16
12 14
12 15
13 15
14 16
15 16

output:

1 0 0 2 3 6 7 13 18 15 14 14 15 10 3 3 3 1 0 0 0 0 0

result:

ok 23 numbers

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
Wrong Answer

Dependency #2:

100%
Accepted

Test #51:

score: 0
Wrong Answer
time: 552ms
memory: 62736kb

input:

15 104
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
2 3
2 4
2 5
2 6
2 7
2 8
2 9
2 10
2 11
2 12
2 13
2 14
2 15
3 4
3 5
3 6
3 7
3 8
3 9
3 10
3 11
3 12
3 13
3 14
3 15
4 5
4 6
4 7
4 8
4 9
4 10
4 11
4 12
4 13
4 14
4 15
5 6
5 7
5 8
5 9
5 10
5 11
5 12
5 13
5 14
5 15
6 7
6 8
6 9
6 10
6 11
6...

output:

1 0 0 442 3939 34320 372801 3661658 32985238 283075936 294329881 441417693 293007257 143610417 587126378 802243743 459459242 20007458 42595205 267273168 816068364 -381033129 802937662 984434689 18723519 90758735 257758395 354912230 22951897 353818134 223430056 111536811 707221023 692047652 261878380...

result:

wrong answer 14th numbers differ - expected: '733544953', found: '143610417'

Subtask #5:

score: 0
Skipped

Dependency #4:

0%
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服务器时间: 2024-12-05 04:43:25 | 开源项目