Submission #415121

# Submission time Handle Problem Language Result Execution time Memory
415121 2021-05-31T14:45:37 Z ngpin04 Amusement Park (CEOI19_amusementpark) C++14
42 / 100
1976 ms 170836 KB
#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
using namespace std;
const int N = 1e5 + 5; 

set <long long> s;

pair <int, int> ed[N]; 

int pos[N];
int n,m;

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> m;
	for (int i = 0; i < m; i++) {
		cin >> ed[i].fi >> ed[i].se;
	}
	if (n > 10)
		return 0;

	int ans = 0;
	vector <int> id(n, 0); iota(id.begin(), id.end(), 1);
	do {
		for (int i = 0; i < n; i++) 
			pos[id[i]] = i;

		long long res = 0;
		int cnt = 0;
		for (int i = 0; i < m; i++) {
			int u = ed[i].fi;
			int v = ed[i].se;
			if (pos[u] > pos[v]) {
				cnt++;
				res |= (1LL << i);
			}
		}
		if (s.find(res) == s.end()) {
			ans += cnt;
			s.insert(res);
		}
	} while (next_permutation(id.begin(), id.end()));

	cout << ans;
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 2 ms 320 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 2 ms 320 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 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 1 ms 324 KB Output is correct
13 Correct 2 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 324 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 300 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 2 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 320 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 2 ms 320 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 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 1 ms 324 KB Output is correct
13 Correct 2 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 324 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 300 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 2 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 320 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 2 ms 204 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 2 ms 332 KB Output is correct
29 Correct 2 ms 312 KB Output is correct
30 Correct 2 ms 460 KB Output is correct
31 Correct 3 ms 444 KB Output is correct
32 Correct 3 ms 204 KB Output is correct
33 Correct 4 ms 332 KB Output is correct
34 Correct 6 ms 320 KB Output is correct
35 Correct 7 ms 460 KB Output is correct
36 Correct 9 ms 788 KB Output is correct
37 Correct 13 ms 1336 KB Output is correct
38 Correct 17 ms 2148 KB Output is correct
39 Correct 17 ms 320 KB Output is correct
40 Correct 26 ms 332 KB Output is correct
41 Correct 35 ms 376 KB Output is correct
42 Correct 42 ms 440 KB Output is correct
43 Correct 60 ms 1616 KB Output is correct
44 Correct 71 ms 2728 KB Output is correct
45 Correct 101 ms 5820 KB Output is correct
46 Correct 132 ms 10792 KB Output is correct
47 Correct 204 ms 17344 KB Output is correct
48 Correct 24 ms 320 KB Output is correct
49 Correct 39 ms 504 KB Output is correct
50 Correct 42 ms 496 KB Output is correct
51 Correct 38 ms 460 KB Output is correct
52 Correct 190 ms 204 KB Output is correct
53 Correct 291 ms 320 KB Output is correct
54 Correct 402 ms 604 KB Output is correct
55 Correct 475 ms 1828 KB Output is correct
56 Correct 635 ms 8724 KB Output is correct
57 Correct 837 ms 22648 KB Output is correct
58 Correct 1071 ms 48516 KB Output is correct
59 Correct 1474 ms 94708 KB Output is correct
60 Correct 1976 ms 170836 KB Output is correct
61 Correct 255 ms 324 KB Output is correct
62 Correct 396 ms 904 KB Output is correct
63 Correct 391 ms 964 KB Output is correct
64 Correct 393 ms 992 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 2 ms 320 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 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 1 ms 324 KB Output is correct
13 Correct 2 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 324 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 300 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 2 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 320 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 2 ms 204 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 2 ms 332 KB Output is correct
29 Correct 2 ms 312 KB Output is correct
30 Correct 2 ms 460 KB Output is correct
31 Correct 3 ms 444 KB Output is correct
32 Correct 3 ms 204 KB Output is correct
33 Correct 4 ms 332 KB Output is correct
34 Correct 6 ms 320 KB Output is correct
35 Correct 7 ms 460 KB Output is correct
36 Correct 9 ms 788 KB Output is correct
37 Correct 13 ms 1336 KB Output is correct
38 Correct 17 ms 2148 KB Output is correct
39 Correct 17 ms 320 KB Output is correct
40 Correct 26 ms 332 KB Output is correct
41 Correct 35 ms 376 KB Output is correct
42 Correct 42 ms 440 KB Output is correct
43 Correct 60 ms 1616 KB Output is correct
44 Correct 71 ms 2728 KB Output is correct
45 Correct 101 ms 5820 KB Output is correct
46 Correct 132 ms 10792 KB Output is correct
47 Correct 204 ms 17344 KB Output is correct
48 Correct 24 ms 320 KB Output is correct
49 Correct 39 ms 504 KB Output is correct
50 Correct 42 ms 496 KB Output is correct
51 Correct 38 ms 460 KB Output is correct
52 Correct 190 ms 204 KB Output is correct
53 Correct 291 ms 320 KB Output is correct
54 Correct 402 ms 604 KB Output is correct
55 Correct 475 ms 1828 KB Output is correct
56 Correct 635 ms 8724 KB Output is correct
57 Correct 837 ms 22648 KB Output is correct
58 Correct 1071 ms 48516 KB Output is correct
59 Correct 1474 ms 94708 KB Output is correct
60 Correct 1976 ms 170836 KB Output is correct
61 Correct 255 ms 324 KB Output is correct
62 Correct 396 ms 904 KB Output is correct
63 Correct 391 ms 964 KB Output is correct
64 Correct 393 ms 992 KB Output is correct
65 Incorrect 1 ms 204 KB Output isn't correct
66 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 2 ms 320 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 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 1 ms 324 KB Output is correct
13 Correct 2 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 324 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 300 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 2 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 320 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 2 ms 204 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 2 ms 332 KB Output is correct
29 Correct 2 ms 312 KB Output is correct
30 Correct 2 ms 460 KB Output is correct
31 Correct 3 ms 444 KB Output is correct
32 Correct 3 ms 204 KB Output is correct
33 Correct 4 ms 332 KB Output is correct
34 Correct 6 ms 320 KB Output is correct
35 Correct 7 ms 460 KB Output is correct
36 Correct 9 ms 788 KB Output is correct
37 Correct 13 ms 1336 KB Output is correct
38 Correct 17 ms 2148 KB Output is correct
39 Correct 17 ms 320 KB Output is correct
40 Correct 26 ms 332 KB Output is correct
41 Correct 35 ms 376 KB Output is correct
42 Correct 42 ms 440 KB Output is correct
43 Correct 60 ms 1616 KB Output is correct
44 Correct 71 ms 2728 KB Output is correct
45 Correct 101 ms 5820 KB Output is correct
46 Correct 132 ms 10792 KB Output is correct
47 Correct 204 ms 17344 KB Output is correct
48 Correct 24 ms 320 KB Output is correct
49 Correct 39 ms 504 KB Output is correct
50 Correct 42 ms 496 KB Output is correct
51 Correct 38 ms 460 KB Output is correct
52 Correct 190 ms 204 KB Output is correct
53 Correct 291 ms 320 KB Output is correct
54 Correct 402 ms 604 KB Output is correct
55 Correct 475 ms 1828 KB Output is correct
56 Correct 635 ms 8724 KB Output is correct
57 Correct 837 ms 22648 KB Output is correct
58 Correct 1071 ms 48516 KB Output is correct
59 Correct 1474 ms 94708 KB Output is correct
60 Correct 1976 ms 170836 KB Output is correct
61 Correct 255 ms 324 KB Output is correct
62 Correct 396 ms 904 KB Output is correct
63 Correct 391 ms 964 KB Output is correct
64 Correct 393 ms 992 KB Output is correct
65 Incorrect 1 ms 204 KB Output isn't correct
66 Halted 0 ms 0 KB -