// CEOI 2022 Day2 Drawing
#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
struct Point {
int x, y, id;
bool operator<(const Point& p) const {
if (x != p.x) return x < p.x;
return y < p.y;
}
};
LL cross(const Point& a, const Point& b, const Point& c) {
return (LL)a.x * (b.y - c.y) + (LL)b.x * (c.y - a.y) + (LL)c.x * (a.y - b.y);
}
int main() {
ios::sync_with_stdio(false), cin.tie(0);
int N;
cin >> N;
vector<vector<int>> G(N + 1);
for (int i = 1, a, b; i < N; i++)
cin >> a >> b, G[a].push_back(b), G[b].push_back(a);
vector<Point> ps(N);
for (int i = 0; i < N; i++) cin >> ps[i].x >> ps[i].y, ps[i].id = i + 1;
sort(begin(ps), end(ps));
sort(begin(ps) + 1, end(ps),
[&](const Point& a, const Point& b) { return cross(ps[0], a, b) >= 0; });
vector<int> Ans(N + 1);
auto pi = begin(ps);
function<void(int, int)> dfs = [&](int u, int fa) {
Ans[u] = pi->id, pi++;
for (int v : G[u])
if (v != fa) dfs(v, u);
};
dfs(1, 0);
for (int i = 1; i <= N; i++) printf("%d ", Ans[i]);
puts("");
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
116 ms |
9004 KB |
Output is correct |
2 |
Correct |
98 ms |
14300 KB |
Output is correct |
3 |
Correct |
97 ms |
11980 KB |
Output is correct |
4 |
Correct |
135 ms |
16276 KB |
Output is correct |
5 |
Correct |
95 ms |
16680 KB |
Output is correct |
6 |
Correct |
89 ms |
8900 KB |
Output is correct |
7 |
Correct |
108 ms |
9828 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
596 KB |
Output is correct |
2 |
Correct |
3 ms |
724 KB |
Output is correct |
3 |
Correct |
4 ms |
596 KB |
Output is correct |
4 |
Correct |
3 ms |
852 KB |
Output is correct |
5 |
Correct |
3 ms |
852 KB |
Output is correct |
6 |
Correct |
3 ms |
596 KB |
Output is correct |
7 |
Correct |
4 ms |
596 KB |
Output is correct |
8 |
Correct |
4 ms |
596 KB |
Output is correct |
9 |
Correct |
4 ms |
724 KB |
Output is correct |
10 |
Correct |
3 ms |
724 KB |
Output is correct |
11 |
Correct |
3 ms |
852 KB |
Output is correct |
12 |
Correct |
3 ms |
724 KB |
Output is correct |
13 |
Correct |
3 ms |
588 KB |
Output is correct |
14 |
Correct |
3 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
596 KB |
Output is correct |
2 |
Correct |
3 ms |
724 KB |
Output is correct |
3 |
Correct |
4 ms |
596 KB |
Output is correct |
4 |
Correct |
3 ms |
852 KB |
Output is correct |
5 |
Correct |
3 ms |
852 KB |
Output is correct |
6 |
Correct |
3 ms |
596 KB |
Output is correct |
7 |
Correct |
4 ms |
596 KB |
Output is correct |
8 |
Correct |
4 ms |
596 KB |
Output is correct |
9 |
Correct |
4 ms |
724 KB |
Output is correct |
10 |
Correct |
3 ms |
724 KB |
Output is correct |
11 |
Correct |
3 ms |
852 KB |
Output is correct |
12 |
Correct |
3 ms |
724 KB |
Output is correct |
13 |
Correct |
3 ms |
588 KB |
Output is correct |
14 |
Correct |
3 ms |
596 KB |
Output is correct |
15 |
Correct |
7 ms |
980 KB |
Output is correct |
16 |
Correct |
7 ms |
1492 KB |
Output is correct |
17 |
Correct |
8 ms |
1236 KB |
Output is correct |
18 |
Correct |
9 ms |
1748 KB |
Output is correct |
19 |
Correct |
8 ms |
1704 KB |
Output is correct |
20 |
Correct |
7 ms |
980 KB |
Output is correct |
21 |
Correct |
8 ms |
1260 KB |
Output is correct |
22 |
Correct |
7 ms |
980 KB |
Output is correct |
23 |
Correct |
7 ms |
1236 KB |
Output is correct |
24 |
Correct |
9 ms |
1248 KB |
Output is correct |
25 |
Correct |
8 ms |
1748 KB |
Output is correct |
26 |
Correct |
7 ms |
1620 KB |
Output is correct |
27 |
Correct |
7 ms |
980 KB |
Output is correct |
28 |
Correct |
13 ms |
1236 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
596 KB |
Output is correct |
2 |
Correct |
3 ms |
724 KB |
Output is correct |
3 |
Correct |
4 ms |
596 KB |
Output is correct |
4 |
Correct |
3 ms |
852 KB |
Output is correct |
5 |
Correct |
3 ms |
852 KB |
Output is correct |
6 |
Correct |
3 ms |
596 KB |
Output is correct |
7 |
Correct |
4 ms |
596 KB |
Output is correct |
8 |
Correct |
4 ms |
596 KB |
Output is correct |
9 |
Correct |
4 ms |
724 KB |
Output is correct |
10 |
Correct |
3 ms |
724 KB |
Output is correct |
11 |
Correct |
3 ms |
852 KB |
Output is correct |
12 |
Correct |
3 ms |
724 KB |
Output is correct |
13 |
Correct |
3 ms |
588 KB |
Output is correct |
14 |
Correct |
3 ms |
596 KB |
Output is correct |
15 |
Correct |
7 ms |
980 KB |
Output is correct |
16 |
Correct |
7 ms |
1492 KB |
Output is correct |
17 |
Correct |
8 ms |
1236 KB |
Output is correct |
18 |
Correct |
9 ms |
1748 KB |
Output is correct |
19 |
Correct |
8 ms |
1704 KB |
Output is correct |
20 |
Correct |
7 ms |
980 KB |
Output is correct |
21 |
Correct |
8 ms |
1260 KB |
Output is correct |
22 |
Correct |
7 ms |
980 KB |
Output is correct |
23 |
Correct |
7 ms |
1236 KB |
Output is correct |
24 |
Correct |
9 ms |
1248 KB |
Output is correct |
25 |
Correct |
8 ms |
1748 KB |
Output is correct |
26 |
Correct |
7 ms |
1620 KB |
Output is correct |
27 |
Correct |
7 ms |
980 KB |
Output is correct |
28 |
Correct |
13 ms |
1236 KB |
Output is correct |
29 |
Correct |
76 ms |
6292 KB |
Output is correct |
30 |
Correct |
65 ms |
10228 KB |
Output is correct |
31 |
Correct |
76 ms |
8848 KB |
Output is correct |
32 |
Correct |
72 ms |
12008 KB |
Output is correct |
33 |
Correct |
68 ms |
10700 KB |
Output is correct |
34 |
Correct |
61 ms |
6424 KB |
Output is correct |
35 |
Correct |
64 ms |
7312 KB |
Output is correct |
36 |
Correct |
59 ms |
5452 KB |
Output is correct |
37 |
Correct |
66 ms |
9112 KB |
Output is correct |
38 |
Correct |
68 ms |
9420 KB |
Output is correct |
39 |
Correct |
73 ms |
10752 KB |
Output is correct |
40 |
Correct |
72 ms |
9548 KB |
Output is correct |
41 |
Correct |
52 ms |
5496 KB |
Output is correct |
42 |
Correct |
63 ms |
7372 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
116 ms |
9004 KB |
Output is correct |
2 |
Correct |
98 ms |
14300 KB |
Output is correct |
3 |
Correct |
97 ms |
11980 KB |
Output is correct |
4 |
Correct |
135 ms |
16276 KB |
Output is correct |
5 |
Correct |
95 ms |
16680 KB |
Output is correct |
6 |
Correct |
89 ms |
8900 KB |
Output is correct |
7 |
Correct |
108 ms |
9828 KB |
Output is correct |
8 |
Correct |
3 ms |
596 KB |
Output is correct |
9 |
Correct |
3 ms |
724 KB |
Output is correct |
10 |
Correct |
4 ms |
596 KB |
Output is correct |
11 |
Correct |
3 ms |
852 KB |
Output is correct |
12 |
Correct |
3 ms |
852 KB |
Output is correct |
13 |
Correct |
3 ms |
596 KB |
Output is correct |
14 |
Correct |
4 ms |
596 KB |
Output is correct |
15 |
Correct |
4 ms |
596 KB |
Output is correct |
16 |
Correct |
4 ms |
724 KB |
Output is correct |
17 |
Correct |
3 ms |
724 KB |
Output is correct |
18 |
Correct |
3 ms |
852 KB |
Output is correct |
19 |
Correct |
3 ms |
724 KB |
Output is correct |
20 |
Correct |
3 ms |
588 KB |
Output is correct |
21 |
Correct |
3 ms |
596 KB |
Output is correct |
22 |
Correct |
7 ms |
980 KB |
Output is correct |
23 |
Correct |
7 ms |
1492 KB |
Output is correct |
24 |
Correct |
8 ms |
1236 KB |
Output is correct |
25 |
Correct |
9 ms |
1748 KB |
Output is correct |
26 |
Correct |
8 ms |
1704 KB |
Output is correct |
27 |
Correct |
7 ms |
980 KB |
Output is correct |
28 |
Correct |
8 ms |
1260 KB |
Output is correct |
29 |
Correct |
7 ms |
980 KB |
Output is correct |
30 |
Correct |
7 ms |
1236 KB |
Output is correct |
31 |
Correct |
9 ms |
1248 KB |
Output is correct |
32 |
Correct |
8 ms |
1748 KB |
Output is correct |
33 |
Correct |
7 ms |
1620 KB |
Output is correct |
34 |
Correct |
7 ms |
980 KB |
Output is correct |
35 |
Correct |
13 ms |
1236 KB |
Output is correct |
36 |
Correct |
76 ms |
6292 KB |
Output is correct |
37 |
Correct |
65 ms |
10228 KB |
Output is correct |
38 |
Correct |
76 ms |
8848 KB |
Output is correct |
39 |
Correct |
72 ms |
12008 KB |
Output is correct |
40 |
Correct |
68 ms |
10700 KB |
Output is correct |
41 |
Correct |
61 ms |
6424 KB |
Output is correct |
42 |
Correct |
64 ms |
7312 KB |
Output is correct |
43 |
Correct |
59 ms |
5452 KB |
Output is correct |
44 |
Correct |
66 ms |
9112 KB |
Output is correct |
45 |
Correct |
68 ms |
9420 KB |
Output is correct |
46 |
Correct |
73 ms |
10752 KB |
Output is correct |
47 |
Correct |
72 ms |
9548 KB |
Output is correct |
48 |
Correct |
52 ms |
5496 KB |
Output is correct |
49 |
Correct |
63 ms |
7372 KB |
Output is correct |
50 |
Correct |
117 ms |
9844 KB |
Output is correct |
51 |
Correct |
204 ms |
24948 KB |
Output is correct |
52 |
Correct |
225 ms |
21324 KB |
Output is correct |
53 |
Correct |
243 ms |
25908 KB |
Output is correct |
54 |
Correct |
221 ms |
31012 KB |
Output is correct |
55 |
Correct |
216 ms |
15732 KB |
Output is correct |
56 |
Correct |
204 ms |
17360 KB |
Output is correct |
57 |
Correct |
40 ms |
3532 KB |
Output is correct |
58 |
Correct |
208 ms |
21224 KB |
Output is correct |
59 |
Correct |
195 ms |
20416 KB |
Output is correct |
60 |
Correct |
236 ms |
29956 KB |
Output is correct |
61 |
Correct |
233 ms |
24508 KB |
Output is correct |
62 |
Correct |
32 ms |
3556 KB |
Output is correct |
63 |
Correct |
197 ms |
17116 KB |
Output is correct |