#define wiwihorz
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma loop-opt(on)
#define rep(i, a, b) for(int i = a; i <= b; i++)
#define rrep(i, a, b) for(int i = b; i >= a; i--)
#define all(x) x.begin(), x.end()
#define ceil(a, b) ((a + b - 1) / (b))
#define INF 1000000000000000000
#define MOD 998244353
#define eps (1e-9)
using namespace std;
#define int long long int
#define lld long double
#define pii pair<int, int>
#define random mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count())
#ifdef wiwihorz
#define print(a...) kout("[" + string(#a) + "] = ", a)
void vprint(auto L, auto R) {while(L < R) cerr << *L << " \n"[next(L) == R], ++L;}
void kout() { cerr << endl; }
template<class T1, class ... T2> void kout(T1 a, T2 ... e) { cerr << a << " ", kout(e...); }
#else
#define print(...) 0
#define vprint(...) 0
#endif
namespace solver {
int n, m, cur;
vector<vector<int>> mp;
vector<pii> es;
set<int> s;
void init_(int _n, int _m) {
n = _n, m = _m;
s.clear();
es.clear();
}
void add_edge(int a, int b) {
es.push_back({a, b});
}
int solve() {
int ans = 0;
vector<int> a(n, 0), id(n + 1, 0);
rep(i, 1, n) a[i - 1] = i;
do {
rep(i, 0, n - 1) id[a[i]] = i + 1;
int msk = 0;
rep(i, 0, m - 1) {
pii cur = es[i];
if(id[cur.first] < id[cur.second]) {
msk |= ((int) 1 << i );
}
}
if(s.find(msk) == s.end()) {
ans = (ans + __builtin_popcount(msk)) % MOD;
s.insert(msk);
}
} while(next_permutation(all(a)));
return ans;
}
};
using namespace solver;
signed main() {
ios::sync_with_stdio(false), cin.tie(0);
int n, m; cin >> n >> m;
init_(n, m);
rep(i, 1, m) {
int a, b; cin >> a >> b;
add_edge(a, b);
}
cout << solve() << "\n";
return 0;
}
Compilation message
amusementpark.cpp:4: warning: ignoring '#pragma loop ' [-Wunknown-pragmas]
4 | #pragma loop-opt(on)
|
amusementpark.cpp:24:13: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
24 | void vprint(auto L, auto R) {while(L < R) cerr << *L << " \n"[next(L) == R], ++L;}
| ^~~~
amusementpark.cpp:24:21: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
24 | void vprint(auto L, auto R) {while(L < R) cerr << *L << " \n"[next(L) == R], ++L;}
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
248 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
248 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
204 KB |
Output is correct |
| 21 |
Correct |
1 ms |
204 KB |
Output is correct |
| 22 |
Correct |
1 ms |
204 KB |
Output is correct |
| 23 |
Correct |
1 ms |
384 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
248 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
204 KB |
Output is correct |
| 21 |
Correct |
1 ms |
204 KB |
Output is correct |
| 22 |
Correct |
1 ms |
204 KB |
Output is correct |
| 23 |
Correct |
1 ms |
384 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
204 KB |
Output is correct |
| 26 |
Correct |
1 ms |
204 KB |
Output is correct |
| 27 |
Correct |
1 ms |
204 KB |
Output is correct |
| 28 |
Correct |
1 ms |
332 KB |
Output is correct |
| 29 |
Correct |
1 ms |
332 KB |
Output is correct |
| 30 |
Correct |
3 ms |
332 KB |
Output is correct |
| 31 |
Correct |
3 ms |
460 KB |
Output is correct |
| 32 |
Correct |
3 ms |
204 KB |
Output is correct |
| 33 |
Correct |
3 ms |
204 KB |
Output is correct |
| 34 |
Correct |
9 ms |
332 KB |
Output is correct |
| 35 |
Correct |
8 ms |
436 KB |
Output is correct |
| 36 |
Correct |
10 ms |
756 KB |
Output is correct |
| 37 |
Correct |
18 ms |
1352 KB |
Output is correct |
| 38 |
Correct |
17 ms |
2164 KB |
Output is correct |
| 39 |
Correct |
18 ms |
320 KB |
Output is correct |
| 40 |
Correct |
25 ms |
316 KB |
Output is correct |
| 41 |
Correct |
38 ms |
332 KB |
Output is correct |
| 42 |
Correct |
42 ms |
444 KB |
Output is correct |
| 43 |
Correct |
73 ms |
1600 KB |
Output is correct |
| 44 |
Correct |
75 ms |
2792 KB |
Output is correct |
| 45 |
Correct |
108 ms |
5808 KB |
Output is correct |
| 46 |
Correct |
199 ms |
10820 KB |
Output is correct |
| 47 |
Incorrect |
194 ms |
17232 KB |
Output isn't correct |
| 48 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
248 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
204 KB |
Output is correct |
| 21 |
Correct |
1 ms |
204 KB |
Output is correct |
| 22 |
Correct |
1 ms |
204 KB |
Output is correct |
| 23 |
Correct |
1 ms |
384 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
204 KB |
Output is correct |
| 26 |
Correct |
1 ms |
204 KB |
Output is correct |
| 27 |
Correct |
1 ms |
204 KB |
Output is correct |
| 28 |
Correct |
1 ms |
332 KB |
Output is correct |
| 29 |
Correct |
1 ms |
332 KB |
Output is correct |
| 30 |
Correct |
3 ms |
332 KB |
Output is correct |
| 31 |
Correct |
3 ms |
460 KB |
Output is correct |
| 32 |
Correct |
3 ms |
204 KB |
Output is correct |
| 33 |
Correct |
3 ms |
204 KB |
Output is correct |
| 34 |
Correct |
9 ms |
332 KB |
Output is correct |
| 35 |
Correct |
8 ms |
436 KB |
Output is correct |
| 36 |
Correct |
10 ms |
756 KB |
Output is correct |
| 37 |
Correct |
18 ms |
1352 KB |
Output is correct |
| 38 |
Correct |
17 ms |
2164 KB |
Output is correct |
| 39 |
Correct |
18 ms |
320 KB |
Output is correct |
| 40 |
Correct |
25 ms |
316 KB |
Output is correct |
| 41 |
Correct |
38 ms |
332 KB |
Output is correct |
| 42 |
Correct |
42 ms |
444 KB |
Output is correct |
| 43 |
Correct |
73 ms |
1600 KB |
Output is correct |
| 44 |
Correct |
75 ms |
2792 KB |
Output is correct |
| 45 |
Correct |
108 ms |
5808 KB |
Output is correct |
| 46 |
Correct |
199 ms |
10820 KB |
Output is correct |
| 47 |
Incorrect |
194 ms |
17232 KB |
Output isn't correct |
| 48 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
248 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
204 KB |
Output is correct |
| 21 |
Correct |
1 ms |
204 KB |
Output is correct |
| 22 |
Correct |
1 ms |
204 KB |
Output is correct |
| 23 |
Correct |
1 ms |
384 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
204 KB |
Output is correct |
| 26 |
Correct |
1 ms |
204 KB |
Output is correct |
| 27 |
Correct |
1 ms |
204 KB |
Output is correct |
| 28 |
Correct |
1 ms |
332 KB |
Output is correct |
| 29 |
Correct |
1 ms |
332 KB |
Output is correct |
| 30 |
Correct |
3 ms |
332 KB |
Output is correct |
| 31 |
Correct |
3 ms |
460 KB |
Output is correct |
| 32 |
Correct |
3 ms |
204 KB |
Output is correct |
| 33 |
Correct |
3 ms |
204 KB |
Output is correct |
| 34 |
Correct |
9 ms |
332 KB |
Output is correct |
| 35 |
Correct |
8 ms |
436 KB |
Output is correct |
| 36 |
Correct |
10 ms |
756 KB |
Output is correct |
| 37 |
Correct |
18 ms |
1352 KB |
Output is correct |
| 38 |
Correct |
17 ms |
2164 KB |
Output is correct |
| 39 |
Correct |
18 ms |
320 KB |
Output is correct |
| 40 |
Correct |
25 ms |
316 KB |
Output is correct |
| 41 |
Correct |
38 ms |
332 KB |
Output is correct |
| 42 |
Correct |
42 ms |
444 KB |
Output is correct |
| 43 |
Correct |
73 ms |
1600 KB |
Output is correct |
| 44 |
Correct |
75 ms |
2792 KB |
Output is correct |
| 45 |
Correct |
108 ms |
5808 KB |
Output is correct |
| 46 |
Correct |
199 ms |
10820 KB |
Output is correct |
| 47 |
Incorrect |
194 ms |
17232 KB |
Output isn't correct |
| 48 |
Halted |
0 ms |
0 KB |
- |
