#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int nx=11, mx=1e3+5, mod=998244353, mod2=1e9+7;
ll n, m, a[mx], b[mx], res, pw[mx];
set<ll> s;
int main()
{
cin.tie(NULL)->sync_with_stdio(false);
cin>>n>>m;
pw[0]=1;
for (int i=1; i<=m; i++) pw[i]=(pw[i-1]*2)%mod2;
for (int i=1; i<=m; i++) cin>>a[i]>>b[i];
vector<int> v;
for (int i=1; i<=n; i++) v.push_back(i);
do
{
ll sm=0, cnt=0;
for (int i=1; i<=m; i++) if (v[a[i]-1]>v[b[i]-1]) cnt++, sm=(sm+pw[i])%mod2;
if (s.find(sm)==s.end()) res=(res+cnt)%mod, s.insert(sm);
} while (next_permutation(v.begin(), v.end()));
cout<<res;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
456 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
456 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
456 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
456 KB |
Output is correct |
27 |
Correct |
0 ms |
468 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
2 ms |
604 KB |
Output is correct |
31 |
Correct |
1 ms |
604 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
2 ms |
464 KB |
Output is correct |
34 |
Correct |
3 ms |
524 KB |
Output is correct |
35 |
Correct |
5 ms |
456 KB |
Output is correct |
36 |
Correct |
6 ms |
712 KB |
Output is correct |
37 |
Correct |
10 ms |
1372 KB |
Output is correct |
38 |
Correct |
14 ms |
2224 KB |
Output is correct |
39 |
Correct |
6 ms |
344 KB |
Output is correct |
40 |
Correct |
7 ms |
348 KB |
Output is correct |
41 |
Correct |
19 ms |
532 KB |
Output is correct |
42 |
Correct |
21 ms |
580 KB |
Output is correct |
43 |
Correct |
46 ms |
2032 KB |
Output is correct |
44 |
Correct |
50 ms |
2756 KB |
Output is correct |
45 |
Correct |
82 ms |
6000 KB |
Output is correct |
46 |
Incorrect |
106 ms |
10836 KB |
Output isn't correct |
47 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
456 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
456 KB |
Output is correct |
27 |
Correct |
0 ms |
468 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
2 ms |
604 KB |
Output is correct |
31 |
Correct |
1 ms |
604 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
2 ms |
464 KB |
Output is correct |
34 |
Correct |
3 ms |
524 KB |
Output is correct |
35 |
Correct |
5 ms |
456 KB |
Output is correct |
36 |
Correct |
6 ms |
712 KB |
Output is correct |
37 |
Correct |
10 ms |
1372 KB |
Output is correct |
38 |
Correct |
14 ms |
2224 KB |
Output is correct |
39 |
Correct |
6 ms |
344 KB |
Output is correct |
40 |
Correct |
7 ms |
348 KB |
Output is correct |
41 |
Correct |
19 ms |
532 KB |
Output is correct |
42 |
Correct |
21 ms |
580 KB |
Output is correct |
43 |
Correct |
46 ms |
2032 KB |
Output is correct |
44 |
Correct |
50 ms |
2756 KB |
Output is correct |
45 |
Correct |
82 ms |
6000 KB |
Output is correct |
46 |
Incorrect |
106 ms |
10836 KB |
Output isn't correct |
47 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
456 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
456 KB |
Output is correct |
27 |
Correct |
0 ms |
468 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
2 ms |
604 KB |
Output is correct |
31 |
Correct |
1 ms |
604 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
2 ms |
464 KB |
Output is correct |
34 |
Correct |
3 ms |
524 KB |
Output is correct |
35 |
Correct |
5 ms |
456 KB |
Output is correct |
36 |
Correct |
6 ms |
712 KB |
Output is correct |
37 |
Correct |
10 ms |
1372 KB |
Output is correct |
38 |
Correct |
14 ms |
2224 KB |
Output is correct |
39 |
Correct |
6 ms |
344 KB |
Output is correct |
40 |
Correct |
7 ms |
348 KB |
Output is correct |
41 |
Correct |
19 ms |
532 KB |
Output is correct |
42 |
Correct |
21 ms |
580 KB |
Output is correct |
43 |
Correct |
46 ms |
2032 KB |
Output is correct |
44 |
Correct |
50 ms |
2756 KB |
Output is correct |
45 |
Correct |
82 ms |
6000 KB |
Output is correct |
46 |
Incorrect |
106 ms |
10836 KB |
Output isn't correct |
47 |
Halted |
0 ms |
0 KB |
- |