#include "bits/stdc++.h"
using namespace std;
#define int long long
typedef array<int, 2> pii;
int a[200], b[200];
int32_t main(){
int n, m; cin >> n >> m;
for(int i=0; i<m; ++i){
cin >> a[i] >> b[i];
--a[i], --b[i];
}
unordered_set<int> ans;
vector<int> perm(n);
for(int i=0; i<n; ++i) perm[i] = i; //height of ith start point
int ret = 0;
do {
int x = 0;
int y = 0;
for(int i=0; i<m; ++i){
if(perm[a[i]] < perm[b[i]]) x |= 1ll << i, ++y;
}
if(!ans.count(x)){
ans.insert(x);
ret += y;
}
} while(next_permutation(perm.begin(), perm.end()));
cout << ret % 998244353 << endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
368 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
368 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
1 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
1 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
1 ms |
256 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
256 KB |
Output is correct |
21 |
Correct |
1 ms |
256 KB |
Output is correct |
22 |
Correct |
1 ms |
256 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
368 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
1 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
1 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
1 ms |
256 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
256 KB |
Output is correct |
21 |
Correct |
1 ms |
256 KB |
Output is correct |
22 |
Correct |
1 ms |
256 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
256 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
512 KB |
Output is correct |
32 |
Correct |
1 ms |
256 KB |
Output is correct |
33 |
Correct |
2 ms |
276 KB |
Output is correct |
34 |
Correct |
4 ms |
384 KB |
Output is correct |
35 |
Correct |
5 ms |
580 KB |
Output is correct |
36 |
Correct |
7 ms |
768 KB |
Output is correct |
37 |
Correct |
9 ms |
1280 KB |
Output is correct |
38 |
Correct |
12 ms |
2060 KB |
Output is correct |
39 |
Correct |
8 ms |
384 KB |
Output is correct |
40 |
Correct |
13 ms |
384 KB |
Output is correct |
41 |
Correct |
20 ms |
384 KB |
Output is correct |
42 |
Correct |
26 ms |
512 KB |
Output is correct |
43 |
Correct |
42 ms |
1404 KB |
Output is correct |
44 |
Correct |
84 ms |
2440 KB |
Output is correct |
45 |
Correct |
78 ms |
5020 KB |
Output is correct |
46 |
Correct |
142 ms |
9412 KB |
Output is correct |
47 |
Correct |
184 ms |
15720 KB |
Output is correct |
48 |
Correct |
10 ms |
384 KB |
Output is correct |
49 |
Correct |
17 ms |
512 KB |
Output is correct |
50 |
Correct |
22 ms |
512 KB |
Output is correct |
51 |
Correct |
25 ms |
512 KB |
Output is correct |
52 |
Correct |
75 ms |
376 KB |
Output is correct |
53 |
Correct |
127 ms |
392 KB |
Output is correct |
54 |
Correct |
225 ms |
632 KB |
Output is correct |
55 |
Correct |
411 ms |
2044 KB |
Output is correct |
56 |
Correct |
450 ms |
7996 KB |
Output is correct |
57 |
Correct |
774 ms |
19300 KB |
Output is correct |
58 |
Correct |
1352 ms |
40744 KB |
Output is correct |
59 |
Correct |
1896 ms |
80348 KB |
Output is correct |
60 |
Correct |
2644 ms |
148092 KB |
Output is correct |
61 |
Correct |
105 ms |
376 KB |
Output is correct |
62 |
Correct |
158 ms |
888 KB |
Output is correct |
63 |
Correct |
241 ms |
888 KB |
Output is correct |
64 |
Correct |
264 ms |
888 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
368 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
1 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
1 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
1 ms |
256 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
256 KB |
Output is correct |
21 |
Correct |
1 ms |
256 KB |
Output is correct |
22 |
Correct |
1 ms |
256 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
256 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
512 KB |
Output is correct |
32 |
Correct |
1 ms |
256 KB |
Output is correct |
33 |
Correct |
2 ms |
276 KB |
Output is correct |
34 |
Correct |
4 ms |
384 KB |
Output is correct |
35 |
Correct |
5 ms |
580 KB |
Output is correct |
36 |
Correct |
7 ms |
768 KB |
Output is correct |
37 |
Correct |
9 ms |
1280 KB |
Output is correct |
38 |
Correct |
12 ms |
2060 KB |
Output is correct |
39 |
Correct |
8 ms |
384 KB |
Output is correct |
40 |
Correct |
13 ms |
384 KB |
Output is correct |
41 |
Correct |
20 ms |
384 KB |
Output is correct |
42 |
Correct |
26 ms |
512 KB |
Output is correct |
43 |
Correct |
42 ms |
1404 KB |
Output is correct |
44 |
Correct |
84 ms |
2440 KB |
Output is correct |
45 |
Correct |
78 ms |
5020 KB |
Output is correct |
46 |
Correct |
142 ms |
9412 KB |
Output is correct |
47 |
Correct |
184 ms |
15720 KB |
Output is correct |
48 |
Correct |
10 ms |
384 KB |
Output is correct |
49 |
Correct |
17 ms |
512 KB |
Output is correct |
50 |
Correct |
22 ms |
512 KB |
Output is correct |
51 |
Correct |
25 ms |
512 KB |
Output is correct |
52 |
Correct |
75 ms |
376 KB |
Output is correct |
53 |
Correct |
127 ms |
392 KB |
Output is correct |
54 |
Correct |
225 ms |
632 KB |
Output is correct |
55 |
Correct |
411 ms |
2044 KB |
Output is correct |
56 |
Correct |
450 ms |
7996 KB |
Output is correct |
57 |
Correct |
774 ms |
19300 KB |
Output is correct |
58 |
Correct |
1352 ms |
40744 KB |
Output is correct |
59 |
Correct |
1896 ms |
80348 KB |
Output is correct |
60 |
Correct |
2644 ms |
148092 KB |
Output is correct |
61 |
Correct |
105 ms |
376 KB |
Output is correct |
62 |
Correct |
158 ms |
888 KB |
Output is correct |
63 |
Correct |
241 ms |
888 KB |
Output is correct |
64 |
Correct |
264 ms |
888 KB |
Output is correct |
65 |
Execution timed out |
3065 ms |
5412 KB |
Time limit exceeded |
66 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
368 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
1 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
1 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
1 ms |
256 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
256 KB |
Output is correct |
21 |
Correct |
1 ms |
256 KB |
Output is correct |
22 |
Correct |
1 ms |
256 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
256 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
512 KB |
Output is correct |
32 |
Correct |
1 ms |
256 KB |
Output is correct |
33 |
Correct |
2 ms |
276 KB |
Output is correct |
34 |
Correct |
4 ms |
384 KB |
Output is correct |
35 |
Correct |
5 ms |
580 KB |
Output is correct |
36 |
Correct |
7 ms |
768 KB |
Output is correct |
37 |
Correct |
9 ms |
1280 KB |
Output is correct |
38 |
Correct |
12 ms |
2060 KB |
Output is correct |
39 |
Correct |
8 ms |
384 KB |
Output is correct |
40 |
Correct |
13 ms |
384 KB |
Output is correct |
41 |
Correct |
20 ms |
384 KB |
Output is correct |
42 |
Correct |
26 ms |
512 KB |
Output is correct |
43 |
Correct |
42 ms |
1404 KB |
Output is correct |
44 |
Correct |
84 ms |
2440 KB |
Output is correct |
45 |
Correct |
78 ms |
5020 KB |
Output is correct |
46 |
Correct |
142 ms |
9412 KB |
Output is correct |
47 |
Correct |
184 ms |
15720 KB |
Output is correct |
48 |
Correct |
10 ms |
384 KB |
Output is correct |
49 |
Correct |
17 ms |
512 KB |
Output is correct |
50 |
Correct |
22 ms |
512 KB |
Output is correct |
51 |
Correct |
25 ms |
512 KB |
Output is correct |
52 |
Correct |
75 ms |
376 KB |
Output is correct |
53 |
Correct |
127 ms |
392 KB |
Output is correct |
54 |
Correct |
225 ms |
632 KB |
Output is correct |
55 |
Correct |
411 ms |
2044 KB |
Output is correct |
56 |
Correct |
450 ms |
7996 KB |
Output is correct |
57 |
Correct |
774 ms |
19300 KB |
Output is correct |
58 |
Correct |
1352 ms |
40744 KB |
Output is correct |
59 |
Correct |
1896 ms |
80348 KB |
Output is correct |
60 |
Correct |
2644 ms |
148092 KB |
Output is correct |
61 |
Correct |
105 ms |
376 KB |
Output is correct |
62 |
Correct |
158 ms |
888 KB |
Output is correct |
63 |
Correct |
241 ms |
888 KB |
Output is correct |
64 |
Correct |
264 ms |
888 KB |
Output is correct |
65 |
Execution timed out |
3065 ms |
5412 KB |
Time limit exceeded |
66 |
Halted |
0 ms |
0 KB |
- |