#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;
}
};
const int NN = 1e6 + 10;
vector<int> G[NN];
Point Ps[NN];
int N, Ans[NN];
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);
}
bool cmp(const Point& a, const Point& b) { return cross(Ps[0], a, b) >= 0; }
void dfs(int u, int fa, int& pi) {
Ans[u] = Ps[pi++].id;
for (int v : G[u])
if (v != fa) dfs(v, u, pi);
}
int main() {
ios::sync_with_stdio(false), cin.tie(0);
cin >> N;
for (int i = 1, a, b; i < N; i++)
cin >> a >> b, G[a].push_back(b), G[b].push_back(a);
for (int i = 0, x, y; i < N; i++) cin >> x >> y, Ps[i] = {x, y, i + 1};
sort(Ps, Ps + N), sort(Ps + 1, Ps + N, cmp);
int pi = 0;
dfs(1, 0, pi);
for (int i = 1; i <= N; i++) printf("%d ", Ans[i]);
puts("");
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
102 ms |
30088 KB |
Output is correct |
2 |
Correct |
136 ms |
31644 KB |
Output is correct |
3 |
Correct |
112 ms |
30980 KB |
Output is correct |
4 |
Correct |
124 ms |
32564 KB |
Output is correct |
5 |
Correct |
139 ms |
32316 KB |
Output is correct |
6 |
Correct |
114 ms |
29972 KB |
Output is correct |
7 |
Correct |
111 ms |
30460 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
24020 KB |
Output is correct |
2 |
Correct |
16 ms |
24096 KB |
Output is correct |
3 |
Correct |
16 ms |
24156 KB |
Output is correct |
4 |
Correct |
15 ms |
24168 KB |
Output is correct |
5 |
Correct |
16 ms |
24148 KB |
Output is correct |
6 |
Correct |
16 ms |
24064 KB |
Output is correct |
7 |
Correct |
15 ms |
24148 KB |
Output is correct |
8 |
Correct |
16 ms |
24116 KB |
Output is correct |
9 |
Correct |
18 ms |
24148 KB |
Output is correct |
10 |
Correct |
18 ms |
24072 KB |
Output is correct |
11 |
Correct |
16 ms |
24148 KB |
Output is correct |
12 |
Correct |
16 ms |
24116 KB |
Output is correct |
13 |
Correct |
17 ms |
24076 KB |
Output is correct |
14 |
Correct |
16 ms |
24148 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
24020 KB |
Output is correct |
2 |
Correct |
16 ms |
24096 KB |
Output is correct |
3 |
Correct |
16 ms |
24156 KB |
Output is correct |
4 |
Correct |
15 ms |
24168 KB |
Output is correct |
5 |
Correct |
16 ms |
24148 KB |
Output is correct |
6 |
Correct |
16 ms |
24064 KB |
Output is correct |
7 |
Correct |
15 ms |
24148 KB |
Output is correct |
8 |
Correct |
16 ms |
24116 KB |
Output is correct |
9 |
Correct |
18 ms |
24148 KB |
Output is correct |
10 |
Correct |
18 ms |
24072 KB |
Output is correct |
11 |
Correct |
16 ms |
24148 KB |
Output is correct |
12 |
Correct |
16 ms |
24116 KB |
Output is correct |
13 |
Correct |
17 ms |
24076 KB |
Output is correct |
14 |
Correct |
16 ms |
24148 KB |
Output is correct |
15 |
Correct |
20 ms |
24592 KB |
Output is correct |
16 |
Correct |
20 ms |
24732 KB |
Output is correct |
17 |
Correct |
20 ms |
24524 KB |
Output is correct |
18 |
Correct |
20 ms |
24784 KB |
Output is correct |
19 |
Correct |
20 ms |
24764 KB |
Output is correct |
20 |
Correct |
22 ms |
24532 KB |
Output is correct |
21 |
Correct |
23 ms |
24660 KB |
Output is correct |
22 |
Correct |
21 ms |
24592 KB |
Output is correct |
23 |
Correct |
21 ms |
24624 KB |
Output is correct |
24 |
Correct |
20 ms |
24592 KB |
Output is correct |
25 |
Correct |
20 ms |
24764 KB |
Output is correct |
26 |
Correct |
22 ms |
24696 KB |
Output is correct |
27 |
Correct |
21 ms |
24456 KB |
Output is correct |
28 |
Correct |
21 ms |
24532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
24020 KB |
Output is correct |
2 |
Correct |
16 ms |
24096 KB |
Output is correct |
3 |
Correct |
16 ms |
24156 KB |
Output is correct |
4 |
Correct |
15 ms |
24168 KB |
Output is correct |
5 |
Correct |
16 ms |
24148 KB |
Output is correct |
6 |
Correct |
16 ms |
24064 KB |
Output is correct |
7 |
Correct |
15 ms |
24148 KB |
Output is correct |
8 |
Correct |
16 ms |
24116 KB |
Output is correct |
9 |
Correct |
18 ms |
24148 KB |
Output is correct |
10 |
Correct |
18 ms |
24072 KB |
Output is correct |
11 |
Correct |
16 ms |
24148 KB |
Output is correct |
12 |
Correct |
16 ms |
24116 KB |
Output is correct |
13 |
Correct |
17 ms |
24076 KB |
Output is correct |
14 |
Correct |
16 ms |
24148 KB |
Output is correct |
15 |
Correct |
20 ms |
24592 KB |
Output is correct |
16 |
Correct |
20 ms |
24732 KB |
Output is correct |
17 |
Correct |
20 ms |
24524 KB |
Output is correct |
18 |
Correct |
20 ms |
24784 KB |
Output is correct |
19 |
Correct |
20 ms |
24764 KB |
Output is correct |
20 |
Correct |
22 ms |
24532 KB |
Output is correct |
21 |
Correct |
23 ms |
24660 KB |
Output is correct |
22 |
Correct |
21 ms |
24592 KB |
Output is correct |
23 |
Correct |
21 ms |
24624 KB |
Output is correct |
24 |
Correct |
20 ms |
24592 KB |
Output is correct |
25 |
Correct |
20 ms |
24764 KB |
Output is correct |
26 |
Correct |
22 ms |
24696 KB |
Output is correct |
27 |
Correct |
21 ms |
24456 KB |
Output is correct |
28 |
Correct |
21 ms |
24532 KB |
Output is correct |
29 |
Correct |
120 ms |
28256 KB |
Output is correct |
30 |
Correct |
88 ms |
29480 KB |
Output is correct |
31 |
Correct |
78 ms |
29056 KB |
Output is correct |
32 |
Correct |
86 ms |
29972 KB |
Output is correct |
33 |
Correct |
87 ms |
29684 KB |
Output is correct |
34 |
Correct |
80 ms |
28176 KB |
Output is correct |
35 |
Correct |
92 ms |
28560 KB |
Output is correct |
36 |
Correct |
72 ms |
27624 KB |
Output is correct |
37 |
Correct |
80 ms |
29064 KB |
Output is correct |
38 |
Correct |
86 ms |
29072 KB |
Output is correct |
39 |
Correct |
82 ms |
29620 KB |
Output is correct |
40 |
Correct |
88 ms |
29508 KB |
Output is correct |
41 |
Correct |
70 ms |
27624 KB |
Output is correct |
42 |
Correct |
82 ms |
28612 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
102 ms |
30088 KB |
Output is correct |
2 |
Correct |
136 ms |
31644 KB |
Output is correct |
3 |
Correct |
112 ms |
30980 KB |
Output is correct |
4 |
Correct |
124 ms |
32564 KB |
Output is correct |
5 |
Correct |
139 ms |
32316 KB |
Output is correct |
6 |
Correct |
114 ms |
29972 KB |
Output is correct |
7 |
Correct |
111 ms |
30460 KB |
Output is correct |
8 |
Correct |
16 ms |
24020 KB |
Output is correct |
9 |
Correct |
16 ms |
24096 KB |
Output is correct |
10 |
Correct |
16 ms |
24156 KB |
Output is correct |
11 |
Correct |
15 ms |
24168 KB |
Output is correct |
12 |
Correct |
16 ms |
24148 KB |
Output is correct |
13 |
Correct |
16 ms |
24064 KB |
Output is correct |
14 |
Correct |
15 ms |
24148 KB |
Output is correct |
15 |
Correct |
16 ms |
24116 KB |
Output is correct |
16 |
Correct |
18 ms |
24148 KB |
Output is correct |
17 |
Correct |
18 ms |
24072 KB |
Output is correct |
18 |
Correct |
16 ms |
24148 KB |
Output is correct |
19 |
Correct |
16 ms |
24116 KB |
Output is correct |
20 |
Correct |
17 ms |
24076 KB |
Output is correct |
21 |
Correct |
16 ms |
24148 KB |
Output is correct |
22 |
Correct |
20 ms |
24592 KB |
Output is correct |
23 |
Correct |
20 ms |
24732 KB |
Output is correct |
24 |
Correct |
20 ms |
24524 KB |
Output is correct |
25 |
Correct |
20 ms |
24784 KB |
Output is correct |
26 |
Correct |
20 ms |
24764 KB |
Output is correct |
27 |
Correct |
22 ms |
24532 KB |
Output is correct |
28 |
Correct |
23 ms |
24660 KB |
Output is correct |
29 |
Correct |
21 ms |
24592 KB |
Output is correct |
30 |
Correct |
21 ms |
24624 KB |
Output is correct |
31 |
Correct |
20 ms |
24592 KB |
Output is correct |
32 |
Correct |
20 ms |
24764 KB |
Output is correct |
33 |
Correct |
22 ms |
24696 KB |
Output is correct |
34 |
Correct |
21 ms |
24456 KB |
Output is correct |
35 |
Correct |
21 ms |
24532 KB |
Output is correct |
36 |
Correct |
120 ms |
28256 KB |
Output is correct |
37 |
Correct |
88 ms |
29480 KB |
Output is correct |
38 |
Correct |
78 ms |
29056 KB |
Output is correct |
39 |
Correct |
86 ms |
29972 KB |
Output is correct |
40 |
Correct |
87 ms |
29684 KB |
Output is correct |
41 |
Correct |
80 ms |
28176 KB |
Output is correct |
42 |
Correct |
92 ms |
28560 KB |
Output is correct |
43 |
Correct |
72 ms |
27624 KB |
Output is correct |
44 |
Correct |
80 ms |
29064 KB |
Output is correct |
45 |
Correct |
86 ms |
29072 KB |
Output is correct |
46 |
Correct |
82 ms |
29620 KB |
Output is correct |
47 |
Correct |
88 ms |
29508 KB |
Output is correct |
48 |
Correct |
70 ms |
27624 KB |
Output is correct |
49 |
Correct |
82 ms |
28612 KB |
Output is correct |
50 |
Correct |
121 ms |
30752 KB |
Output is correct |
51 |
Correct |
241 ms |
37624 KB |
Output is correct |
52 |
Correct |
224 ms |
36548 KB |
Output is correct |
53 |
Correct |
234 ms |
37896 KB |
Output is correct |
54 |
Correct |
232 ms |
39432 KB |
Output is correct |
55 |
Correct |
218 ms |
34716 KB |
Output is correct |
56 |
Correct |
229 ms |
35176 KB |
Output is correct |
57 |
Correct |
49 ms |
26188 KB |
Output is correct |
58 |
Correct |
235 ms |
36576 KB |
Output is correct |
59 |
Correct |
231 ms |
36192 KB |
Output is correct |
60 |
Correct |
231 ms |
39216 KB |
Output is correct |
61 |
Correct |
234 ms |
37404 KB |
Output is correct |
62 |
Correct |
46 ms |
26184 KB |
Output is correct |
63 |
Correct |
240 ms |
35212 KB |
Output is correct |