oj.uz

Submission #404536

# Submission time Handle Problem Language Result Execution time Memory
404536 2021-05-14T14:33:52 Z Drew_ Stations (IOI20_stations) C++17
100 / 100
 1121 ms 812 KB 
#include "stations.h"
#include <vector>

#include <bits/stdc++.h>
using namespace std;

#define pb push_back

std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	vector<int> labels(n, -1);
	vector<vector<int>> adj(n);

	for (int i = 0; i < n-1; ++i)
	{
		adj[u[i]].pb(v[i]);
		adj[v[i]].pb(u[i]);
	}

	int ctr = 0;
	function<void(int, int, int)> dfs = [&](int node, int par, int h)
	{
		if (h & 1) labels[node] = ctr++; //in
		for (int to : adj[node])
			if (to != par)
				dfs(to, node, h+1);
		if (~h & 1) labels[node] = ctr++; //out
	};
	dfs(0, -1, 1);
	return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {
	sort(c.begin(), c.end());
	if (c.back() < s) //s is out
	{
		c.pb(s);
		for (int i = (int)c.size() - 2; i >= 1; --i)
		{
			if (c[i] <= t && t < c[i+1])
				return c[i];
		}
		return c[0];
	}
	else // s in in
	{
		c.pb(s); sort(c.begin(), c.end());
		for (int i = 0; i+1 < (int)c.size(); ++i)
		{
			if (c[i] < t && t <= c[i+1])
				return c[i+1];
		}
		return c.back();
	}

	return c[0];
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 575 ms 640 KB Output is correct
2 Correct 595 ms 656 KB Output is correct
3 Correct 1039 ms 400 KB Output is correct
4 Correct 871 ms 424 KB Output is correct
5 Correct 601 ms 488 KB Output is correct
6 Correct 516 ms 520 KB Output is correct
7 Correct 530 ms 520 KB Output is correct
8 Correct 3 ms 476 KB Output is correct
9 Correct 6 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 528 ms 476 KB Output is correct
2 Correct 495 ms 488 KB Output is correct
3 Correct 989 ms 400 KB Output is correct
4 Correct 805 ms 528 KB Output is correct
5 Correct 611 ms 400 KB Output is correct
6 Correct 590 ms 484 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 685 ms 620 KB Output is correct
2 Correct 511 ms 608 KB Output is correct
3 Correct 1121 ms 484 KB Output is correct
4 Correct 892 ms 488 KB Output is correct
5 Correct 731 ms 400 KB Output is correct
6 Correct 575 ms 608 KB Output is correct
7 Correct 560 ms 596 KB Output is correct
8 Correct 3 ms 484 KB Output is correct
9 Correct 7 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 583 ms 488 KB Output is correct
12 Correct 531 ms 732 KB Output is correct
13 Correct 586 ms 724 KB Output is correct
14 Correct 515 ms 492 KB Output is correct
15 Correct 76 ms 404 KB Output is correct
16 Correct 68 ms 528 KB Output is correct
17 Correct 149 ms 528 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 990 ms 524 KB Output is correct
2 Correct 813 ms 400 KB Output is correct
3 Correct 690 ms 400 KB Output is correct
4 Correct 3 ms 468 KB Output is correct
5 Correct 5 ms 476 KB Output is correct
6 Correct 2 ms 476 KB Output is correct
7 Correct 765 ms 476 KB Output is correct
8 Correct 1047 ms 400 KB Output is correct
9 Correct 810 ms 400 KB Output is correct
10 Correct 632 ms 400 KB Output is correct
11 Correct 7 ms 468 KB Output is correct
12 Correct 4 ms 468 KB Output is correct
13 Correct 6 ms 468 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 555 ms 400 KB Output is correct
17 Correct 579 ms 528 KB Output is correct
18 Correct 618 ms 492 KB Output is correct
19 Correct 640 ms 400 KB Output is correct
20 Correct 507 ms 404 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 623 ms 656 KB Output is correct
2 Correct 452 ms 640 KB Output is correct
3 Correct 951 ms 400 KB Output is correct
4 Correct 748 ms 492 KB Output is correct
5 Correct 734 ms 484 KB Output is correct
6 Correct 594 ms 656 KB Output is correct
7 Correct 540 ms 604 KB Output is correct
8 Correct 3 ms 468 KB Output is correct
9 Correct 6 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 640 ms 496 KB Output is correct
12 Correct 620 ms 528 KB Output is correct
13 Correct 1033 ms 476 KB Output is correct
14 Correct 779 ms 488 KB Output is correct
15 Correct 745 ms 528 KB Output is correct
16 Correct 524 ms 488 KB Output is correct
17 Correct 703 ms 404 KB Output is correct
18 Correct 527 ms 604 KB Output is correct
19 Correct 587 ms 692 KB Output is correct
20 Correct 589 ms 528 KB Output is correct
21 Correct 76 ms 468 KB Output is correct
22 Correct 92 ms 528 KB Output is correct
23 Correct 126 ms 544 KB Output is correct
24 Correct 7 ms 420 KB Output is correct
25 Correct 7 ms 468 KB Output is correct
26 Correct 6 ms 468 KB Output is correct
27 Correct 5 ms 468 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 617 ms 400 KB Output is correct
30 Correct 597 ms 400 KB Output is correct
31 Correct 575 ms 400 KB Output is correct
32 Correct 589 ms 516 KB Output is correct
33 Correct 637 ms 400 KB Output is correct
34 Correct 375 ms 612 KB Output is correct
35 Correct 536 ms 744 KB Output is correct
36 Correct 516 ms 696 KB Output is correct
37 Correct 503 ms 732 KB Output is correct
38 Correct 544 ms 780 KB Output is correct
39 Correct 576 ms 612 KB Output is correct
40 Correct 506 ms 588 KB Output is correct
41 Correct 479 ms 812 KB Output is correct
42 Correct 69 ms 736 KB Output is correct
43 Correct 127 ms 572 KB Output is correct
44 Correct 189 ms 528 KB Output is correct
45 Correct 235 ms 528 KB Output is correct
46 Correct 410 ms 528 KB Output is correct
47 Correct 384 ms 528 KB Output is correct
48 Correct 80 ms 676 KB Output is correct
49 Correct 66 ms 668 KB Output is correct