#include <algorithm>
#include <bits/stdc++.h>
using namespace std;
signed main() {
cin.tie(0)->sync_with_stdio(0);
cin.exceptions(cin.failbit);
int n, m;
cin >> n >> m;
vector<int> ht(n);
vector<pair<int, int>> vpii(m);
for (auto &a : vpii) {
cin >> a.first >> a.second;
a.first--, a.second--;
}
iota(ht.begin(), ht.end(), 0);
long long sumc = 0;
const int mod = 998244353;
set<long long> svi;
auto hsh = [](vector<int> &vi) {
int each = 11;
long long cur = 0;
for (auto a : vi) {
cur *= each;
cur += a;
}
return cur;
};
do {
vector<int> real;
int curs = 0;
for (auto a : vpii) {
if ((ht[a.first] > ht[a.second])) {
curs++;
real.emplace_back(a.second);
real.emplace_back(a.first);
}
real.emplace_back(a.first);
real.emplace_back(a.second);
}
auto it = svi.insert(hsh(real));
if (it.second) {
sumc += curs;
sumc %= mod;
}
} while (next_permutation(ht.begin(), ht.end()));
cout << sumc << "\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
0 ms |
348 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 |
344 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 |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
376 KB |
Output is correct |
17 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
0 ms |
348 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 |
344 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 |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
376 KB |
Output is correct |
17 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
460 KB |
Output is correct |
29 |
Correct |
2 ms |
348 KB |
Output is correct |
30 |
Correct |
2 ms |
604 KB |
Output is correct |
31 |
Correct |
3 ms |
604 KB |
Output is correct |
32 |
Correct |
5 ms |
348 KB |
Output is correct |
33 |
Correct |
7 ms |
460 KB |
Output is correct |
34 |
Correct |
16 ms |
344 KB |
Output is correct |
35 |
Correct |
13 ms |
600 KB |
Output is correct |
36 |
Correct |
14 ms |
860 KB |
Output is correct |
37 |
Correct |
19 ms |
1372 KB |
Output is correct |
38 |
Correct |
23 ms |
2272 KB |
Output is correct |
39 |
Correct |
39 ms |
348 KB |
Output is correct |
40 |
Correct |
60 ms |
436 KB |
Output is correct |
41 |
Correct |
79 ms |
480 KB |
Output is correct |
42 |
Correct |
95 ms |
592 KB |
Output is correct |
43 |
Correct |
120 ms |
1752 KB |
Output is correct |
44 |
Correct |
151 ms |
2900 KB |
Output is correct |
45 |
Correct |
182 ms |
5968 KB |
Output is correct |
46 |
Correct |
219 ms |
10836 KB |
Output is correct |
47 |
Correct |
288 ms |
17292 KB |
Output is correct |
48 |
Correct |
57 ms |
348 KB |
Output is correct |
49 |
Correct |
84 ms |
604 KB |
Output is correct |
50 |
Correct |
86 ms |
596 KB |
Output is correct |
51 |
Correct |
94 ms |
592 KB |
Output is correct |
52 |
Correct |
434 ms |
348 KB |
Output is correct |
53 |
Correct |
653 ms |
344 KB |
Output is correct |
54 |
Correct |
898 ms |
596 KB |
Output is correct |
55 |
Correct |
1181 ms |
1872 KB |
Output is correct |
56 |
Correct |
1548 ms |
8808 KB |
Output is correct |
57 |
Correct |
1968 ms |
22636 KB |
Output is correct |
58 |
Correct |
2695 ms |
48464 KB |
Output is correct |
59 |
Execution timed out |
3070 ms |
89428 KB |
Time limit exceeded |
60 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
0 ms |
348 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 |
344 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 |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
376 KB |
Output is correct |
17 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
460 KB |
Output is correct |
29 |
Correct |
2 ms |
348 KB |
Output is correct |
30 |
Correct |
2 ms |
604 KB |
Output is correct |
31 |
Correct |
3 ms |
604 KB |
Output is correct |
32 |
Correct |
5 ms |
348 KB |
Output is correct |
33 |
Correct |
7 ms |
460 KB |
Output is correct |
34 |
Correct |
16 ms |
344 KB |
Output is correct |
35 |
Correct |
13 ms |
600 KB |
Output is correct |
36 |
Correct |
14 ms |
860 KB |
Output is correct |
37 |
Correct |
19 ms |
1372 KB |
Output is correct |
38 |
Correct |
23 ms |
2272 KB |
Output is correct |
39 |
Correct |
39 ms |
348 KB |
Output is correct |
40 |
Correct |
60 ms |
436 KB |
Output is correct |
41 |
Correct |
79 ms |
480 KB |
Output is correct |
42 |
Correct |
95 ms |
592 KB |
Output is correct |
43 |
Correct |
120 ms |
1752 KB |
Output is correct |
44 |
Correct |
151 ms |
2900 KB |
Output is correct |
45 |
Correct |
182 ms |
5968 KB |
Output is correct |
46 |
Correct |
219 ms |
10836 KB |
Output is correct |
47 |
Correct |
288 ms |
17292 KB |
Output is correct |
48 |
Correct |
57 ms |
348 KB |
Output is correct |
49 |
Correct |
84 ms |
604 KB |
Output is correct |
50 |
Correct |
86 ms |
596 KB |
Output is correct |
51 |
Correct |
94 ms |
592 KB |
Output is correct |
52 |
Correct |
434 ms |
348 KB |
Output is correct |
53 |
Correct |
653 ms |
344 KB |
Output is correct |
54 |
Correct |
898 ms |
596 KB |
Output is correct |
55 |
Correct |
1181 ms |
1872 KB |
Output is correct |
56 |
Correct |
1548 ms |
8808 KB |
Output is correct |
57 |
Correct |
1968 ms |
22636 KB |
Output is correct |
58 |
Correct |
2695 ms |
48464 KB |
Output is correct |
59 |
Execution timed out |
3070 ms |
89428 KB |
Time limit exceeded |
60 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
0 ms |
348 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 |
344 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 |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
376 KB |
Output is correct |
17 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
460 KB |
Output is correct |
29 |
Correct |
2 ms |
348 KB |
Output is correct |
30 |
Correct |
2 ms |
604 KB |
Output is correct |
31 |
Correct |
3 ms |
604 KB |
Output is correct |
32 |
Correct |
5 ms |
348 KB |
Output is correct |
33 |
Correct |
7 ms |
460 KB |
Output is correct |
34 |
Correct |
16 ms |
344 KB |
Output is correct |
35 |
Correct |
13 ms |
600 KB |
Output is correct |
36 |
Correct |
14 ms |
860 KB |
Output is correct |
37 |
Correct |
19 ms |
1372 KB |
Output is correct |
38 |
Correct |
23 ms |
2272 KB |
Output is correct |
39 |
Correct |
39 ms |
348 KB |
Output is correct |
40 |
Correct |
60 ms |
436 KB |
Output is correct |
41 |
Correct |
79 ms |
480 KB |
Output is correct |
42 |
Correct |
95 ms |
592 KB |
Output is correct |
43 |
Correct |
120 ms |
1752 KB |
Output is correct |
44 |
Correct |
151 ms |
2900 KB |
Output is correct |
45 |
Correct |
182 ms |
5968 KB |
Output is correct |
46 |
Correct |
219 ms |
10836 KB |
Output is correct |
47 |
Correct |
288 ms |
17292 KB |
Output is correct |
48 |
Correct |
57 ms |
348 KB |
Output is correct |
49 |
Correct |
84 ms |
604 KB |
Output is correct |
50 |
Correct |
86 ms |
596 KB |
Output is correct |
51 |
Correct |
94 ms |
592 KB |
Output is correct |
52 |
Correct |
434 ms |
348 KB |
Output is correct |
53 |
Correct |
653 ms |
344 KB |
Output is correct |
54 |
Correct |
898 ms |
596 KB |
Output is correct |
55 |
Correct |
1181 ms |
1872 KB |
Output is correct |
56 |
Correct |
1548 ms |
8808 KB |
Output is correct |
57 |
Correct |
1968 ms |
22636 KB |
Output is correct |
58 |
Correct |
2695 ms |
48464 KB |
Output is correct |
59 |
Execution timed out |
3070 ms |
89428 KB |
Time limit exceeded |
60 |
Halted |
0 ms |
0 KB |
- |