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Submission #305457

# Submission time Handle Problem Language Result Execution time Memory
305457 2020-09-23T08:46:24 Z myungwoo Stations (IOI20_stations) C++17
100 / 100
 1005 ms 1152 KB 
#include <bits/stdc++.h>
#include "stations.h"
using namespace std;

vector<int> label(int N, int K, vector<int> u, vector<int> v)
{
	vector<vector<int>> con(N);
	for (int i=0;i<N-1;i++)
		con[u[i]].push_back(v[i]),
		con[v[i]].push_back(u[i]);

	vector<int> labels(N); int idx = 0;
	function<void(int, int)> dfs;
	dfs = [&](int n, int p){
		if (p == -1 || !labels[p]) labels[n] = ++idx;
		for (int t: con[n]) if (t != p)
			dfs(t, n);
		if (!labels[n]) labels[n] = ++idx;
	};
	dfs(0, -1);
	return labels;
}

int find_next_station(int s, int t, vector<int> c)
{
	if (c.back() < s) reverse(c.begin(), c.end());
	for (int x: c) if (min(s, x) <= t && t <= max(s, x)) return x;
	return c.back();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 577 ms 1024 KB Output is correct
2 Correct 469 ms 1024 KB Output is correct
3 Correct 986 ms 648 KB Output is correct
4 Correct 670 ms 644 KB Output is correct
5 Correct 621 ms 640 KB Output is correct
6 Correct 472 ms 1024 KB Output is correct
7 Correct 465 ms 772 KB Output is correct
8 Correct 3 ms 648 KB Output is correct
9 Correct 5 ms 644 KB Output is correct
10 Correct 2 ms 644 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 481 ms 768 KB Output is correct
2 Correct 536 ms 936 KB Output is correct
3 Correct 856 ms 640 KB Output is correct
4 Correct 682 ms 640 KB Output is correct
5 Correct 544 ms 648 KB Output is correct
6 Correct 436 ms 768 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 543 ms 1024 KB Output is correct
2 Correct 496 ms 1000 KB Output is correct
3 Correct 895 ms 640 KB Output is correct
4 Correct 713 ms 640 KB Output is correct
5 Correct 689 ms 756 KB Output is correct
6 Correct 514 ms 1024 KB Output is correct
7 Correct 479 ms 780 KB Output is correct
8 Correct 3 ms 640 KB Output is correct
9 Correct 5 ms 648 KB Output is correct
10 Correct 2 ms 896 KB Output is correct
11 Correct 689 ms 908 KB Output is correct
12 Correct 464 ms 1024 KB Output is correct
13 Correct 564 ms 1024 KB Output is correct
14 Correct 546 ms 816 KB Output is correct
15 Correct 54 ms 648 KB Output is correct
16 Correct 67 ms 768 KB Output is correct
17 Correct 130 ms 960 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1005 ms 640 KB Output is correct
2 Correct 798 ms 644 KB Output is correct
3 Correct 584 ms 648 KB Output is correct
4 Correct 3 ms 640 KB Output is correct
5 Correct 5 ms 640 KB Output is correct
6 Correct 2 ms 640 KB Output is correct
7 Correct 633 ms 768 KB Output is correct
8 Correct 874 ms 644 KB Output is correct
9 Correct 686 ms 648 KB Output is correct
10 Correct 598 ms 776 KB Output is correct
11 Correct 5 ms 640 KB Output is correct
12 Correct 6 ms 640 KB Output is correct
13 Correct 5 ms 640 KB Output is correct
14 Correct 4 ms 644 KB Output is correct
15 Correct 2 ms 648 KB Output is correct
16 Correct 529 ms 768 KB Output is correct
17 Correct 504 ms 640 KB Output is correct
18 Correct 519 ms 640 KB Output is correct
19 Correct 508 ms 640 KB Output is correct
20 Correct 498 ms 640 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 515 ms 1024 KB Output is correct
2 Correct 433 ms 1024 KB Output is correct
3 Correct 934 ms 648 KB Output is correct
4 Correct 704 ms 640 KB Output is correct
5 Correct 571 ms 644 KB Output is correct
6 Correct 475 ms 1024 KB Output is correct
7 Correct 479 ms 768 KB Output is correct
8 Correct 3 ms 644 KB Output is correct
9 Correct 4 ms 640 KB Output is correct
10 Correct 1 ms 640 KB Output is correct
11 Correct 536 ms 768 KB Output is correct
12 Correct 610 ms 820 KB Output is correct
13 Correct 922 ms 768 KB Output is correct
14 Correct 671 ms 640 KB Output is correct
15 Correct 589 ms 640 KB Output is correct
16 Correct 466 ms 828 KB Output is correct
17 Correct 590 ms 640 KB Output is correct
18 Correct 473 ms 888 KB Output is correct
19 Correct 485 ms 1132 KB Output is correct
20 Correct 532 ms 824 KB Output is correct
21 Correct 51 ms 788 KB Output is correct
22 Correct 89 ms 856 KB Output is correct
23 Correct 111 ms 768 KB Output is correct
24 Correct 7 ms 640 KB Output is correct
25 Correct 6 ms 640 KB Output is correct
26 Correct 5 ms 648 KB Output is correct
27 Correct 4 ms 640 KB Output is correct
28 Correct 2 ms 640 KB Output is correct
29 Correct 511 ms 640 KB Output is correct
30 Correct 578 ms 648 KB Output is correct
31 Correct 531 ms 640 KB Output is correct
32 Correct 607 ms 772 KB Output is correct
33 Correct 609 ms 652 KB Output is correct
34 Correct 360 ms 768 KB Output is correct
35 Correct 487 ms 1024 KB Output is correct
36 Correct 495 ms 880 KB Output is correct
37 Correct 511 ms 888 KB Output is correct
38 Correct 564 ms 792 KB Output is correct
39 Correct 454 ms 792 KB Output is correct
40 Correct 441 ms 1152 KB Output is correct
41 Correct 450 ms 804 KB Output is correct
42 Correct 65 ms 896 KB Output is correct
43 Correct 103 ms 820 KB Output is correct
44 Correct 135 ms 836 KB Output is correct
45 Correct 176 ms 884 KB Output is correct
46 Correct 318 ms 828 KB Output is correct
47 Correct 339 ms 792 KB Output is correct
48 Correct 68 ms 820 KB Output is correct
49 Correct 60 ms 820 KB Output is correct