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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#466142#5089. 环覆盖wdnmdwrnmmp20 574ms173648kbC++14859b2024-07-07 16:21:552024-07-07 16:21:55

Judging History

你现在查看的是最新测评结果

  • [2024-07-07 16:21:55]
  • 评测
  • 测评结果：20
  • 用时：574ms
  • 内存：173648kb
查看
  • [2024-07-07 16:21:55]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
// #define int long long
#define rep(i,j,k) for(int i=(j);i<=(k);i++)
#define per(i,j,k) for(int i=(j);i>=(k);i--)
#define pb push_back
#define mp make_pair
#define fi first
#define se second
typedef vector<int> vi;
typedef pair<int,int> pi;

const int N=20, M=41, S=1<<N, mod=1e9+7;
void add(int &x,int y){
	if((x+=y)>=mod){
		x-=mod;
	}
}
int f[2][S][M];

signed main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	
	int n,m; cin>>n>>m;
	bool o=0;
	f[o][0][0]=1;
	rep(i,1,m){
		o=1-o;
		int u,v; cin>>u>>v;
		u--, v--;
		int s=(1<<u)+(1<<v);
		rep(j,0,(1<<n)-1){
			rep(k,0,i-1){
				f[o][j][k]=f[1-o][j][k];
			}
		}
		rep(j,0,(1<<n)-1){
			rep(k,1,i){
				add(f[o][j^s][k], f[1-o][j][k-1]);
			}
		}
	}
	rep(i,0,m){
		cout<<f[o][0][i]<<' ';
	}
	cout<<'\n';
}
Source code, Language: C++14

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 5
Accepted

Test #1:

score: 5
Accepted
time: 1ms
memory: 7856kb

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: 0
Accepted
time: 1ms
memory: 5772kb

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: 0
Accepted
time: 450ms
memory: 173580kb

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: 0
Accepted
time: 0ms
memory: 5668kb

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: 0
Accepted
time: 1ms
memory: 5804kb

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: 0
Accepted
time: 8ms
memory: 15072kb

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: 0
Accepted
time: 1ms
memory: 5796kb

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: 0
Accepted
time: 415ms
memory: 173648kb

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: 0
Accepted
time: 1ms
memory: 5660kb

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: 0
Accepted
time: 1ms
memory: 5820kb

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: 5820kb

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: 0
Accepted
time: 3ms
memory: 6044kb

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: 0
Accepted
time: 0ms
memory: 6024kb

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: 0
Accepted
time: 3ms
memory: 8084kb

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: 0
Accepted
time: 574ms
memory: 173584kb

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: 0
Accepted
time: 1ms
memory: 5792kb

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: 0
Accepted
time: 307ms
memory: 90712kb

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: 0
Accepted
time: 7ms
memory: 9072kb

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: 0
Accepted
time: 1ms
memory: 5672kb

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: 0
Accepted
time: 389ms
memory: 90700kb

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: 0
Accepted
time: 82ms
memory: 47128kb

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: 0
Accepted
time: 291ms
memory: 90644kb

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: 0
Accepted
time: 2ms
memory: 5972kb

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: 0
Accepted
time: 2ms
memory: 8056kb

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: 0
Accepted
time: 0ms
memory: 6364kb

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: 0
Accepted
time: 32ms
memory: 14996kb

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
Accepted
time: 230ms
memory: 49164kb

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: 0
Accepted
time: 544ms
memory: 173580kb

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: 0
Accepted
time: 458ms
memory: 90716kb

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: 0
Accepted
time: 32ms
memory: 26392kb

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
Runtime Error

Test #31:

score: 0
Runtime Error

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: 211ms
memory: 17104kb

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 330741610 627859295 357522743 175206130 380920122 688816949 413533089 707589109 794588364 306994609 659022240 947014723 365169352 864686828 193824139 944714497 838668338 595920200 387005146 190695315 902364566 634901063 672151324 924486349 719899196 633234637 940011947 303963065 200299735 11108232...

result:

wrong answer 2nd numbers differ - expected: '0', found: '330741610'

Subtask #5:

score: 0
Skipped

Dependency #4:

0%
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