oj.uz

Submission #413328

# Submission time Handle Problem Language Result Execution time Memory
413328 2021-05-28T13:48:01 Z atoiz Stations (IOI20_stations) C++14
100 / 100
 1261 ms 760 KB 
#include "stations.h"
#include <vector>
#include <algorithm>

std::vector<std::vector<int>> adj;

void dfs(int u, int p, int k, std::vector<int> &labels, int &r) {
	if (k) labels[u] = r++;
	for (int v : adj[u]) if (v != p) dfs(v, u, !k, labels, r);
	if (!k) labels[u] = r++;
}

std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	adj.assign(n, std::vector<int>(0));
	for (int i = 0; i < (int) u.size(); ++i) {
		adj[u[i]].push_back(v[i]);
		adj[v[i]].push_back(u[i]);
	}
	std::vector<int> labels(n);
	int r = 0;
	dfs(0, -1, 1, labels, r);
	return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {
	std::sort(c.begin(), c.end());
	if (s == 0) {
		return *std::lower_bound(c.begin(), c.end(), t);
	} else if ((int) c.size() == 1) {
		return c[0];
	} else if (s < c[0]) {
		if (t < s || c.back() < t) return c.back();
		else return *std::lower_bound(c.begin(), c.end(), t);
	} else {
		if (t <= c[0] || s < t) return c[0];
		return *prev(std::upper_bound(c.begin(), c.end(), t));
	}
	return c[0];
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 556 ms 736 KB Output is correct
2 Correct 544 ms 604 KB Output is correct
3 Correct 1261 ms 520 KB Output is correct
4 Correct 755 ms 476 KB Output is correct
5 Correct 740 ms 472 KB Output is correct
6 Correct 597 ms 528 KB Output is correct
7 Correct 641 ms 472 KB Output is correct
8 Correct 2 ms 468 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 510 ms 604 KB Output is correct
2 Correct 598 ms 624 KB Output is correct
3 Correct 1089 ms 456 KB Output is correct
4 Correct 666 ms 528 KB Output is correct
5 Correct 681 ms 520 KB Output is correct
6 Correct 539 ms 528 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 678 ms 700 KB Output is correct
2 Correct 642 ms 520 KB Output is correct
3 Correct 871 ms 400 KB Output is correct
4 Correct 851 ms 400 KB Output is correct
5 Correct 774 ms 400 KB Output is correct
6 Correct 567 ms 600 KB Output is correct
7 Correct 548 ms 604 KB Output is correct
8 Correct 5 ms 448 KB Output is correct
9 Correct 6 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 600 ms 400 KB Output is correct
12 Correct 689 ms 668 KB Output is correct
13 Correct 565 ms 668 KB Output is correct
14 Correct 655 ms 476 KB Output is correct
15 Correct 66 ms 524 KB Output is correct
16 Correct 106 ms 528 KB Output is correct
17 Correct 120 ms 528 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1039 ms 472 KB Output is correct
2 Correct 899 ms 528 KB Output is correct
3 Correct 740 ms 476 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 5 ms 472 KB Output is correct
6 Correct 2 ms 524 KB Output is correct
7 Correct 751 ms 484 KB Output is correct
8 Correct 1057 ms 476 KB Output is correct
9 Correct 732 ms 400 KB Output is correct
10 Correct 683 ms 548 KB Output is correct
11 Correct 10 ms 468 KB Output is correct
12 Correct 8 ms 516 KB Output is correct
13 Correct 6 ms 524 KB Output is correct
14 Correct 6 ms 468 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 645 ms 476 KB Output is correct
17 Correct 666 ms 400 KB Output is correct
18 Correct 646 ms 400 KB Output is correct
19 Correct 603 ms 476 KB Output is correct
20 Correct 650 ms 476 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 586 ms 652 KB Output is correct
2 Correct 629 ms 760 KB Output is correct
3 Correct 961 ms 456 KB Output is correct
4 Correct 895 ms 464 KB Output is correct
5 Correct 746 ms 456 KB Output is correct
6 Correct 561 ms 600 KB Output is correct
7 Correct 569 ms 476 KB Output is correct
8 Correct 3 ms 584 KB Output is correct
9 Correct 5 ms 400 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 618 ms 580 KB Output is correct
12 Correct 630 ms 548 KB Output is correct
13 Correct 1065 ms 480 KB Output is correct
14 Correct 832 ms 400 KB Output is correct
15 Correct 712 ms 400 KB Output is correct
16 Correct 609 ms 476 KB Output is correct
17 Correct 764 ms 472 KB Output is correct
18 Correct 640 ms 576 KB Output is correct
19 Correct 542 ms 592 KB Output is correct
20 Correct 465 ms 472 KB Output is correct
21 Correct 60 ms 568 KB Output is correct
22 Correct 77 ms 528 KB Output is correct
23 Correct 137 ms 552 KB Output is correct
24 Correct 9 ms 476 KB Output is correct
25 Correct 6 ms 568 KB Output is correct
26 Correct 6 ms 468 KB Output is correct
27 Correct 7 ms 468 KB Output is correct
28 Correct 2 ms 464 KB Output is correct
29 Correct 647 ms 476 KB Output is correct
30 Correct 651 ms 400 KB Output is correct
31 Correct 581 ms 472 KB Output is correct
32 Correct 659 ms 472 KB Output is correct
33 Correct 635 ms 416 KB Output is correct
34 Correct 440 ms 596 KB Output is correct
35 Correct 531 ms 532 KB Output is correct
36 Correct 604 ms 604 KB Output is correct
37 Correct 635 ms 660 KB Output is correct
38 Correct 546 ms 704 KB Output is correct
39 Correct 564 ms 608 KB Output is correct
40 Correct 578 ms 684 KB Output is correct
41 Correct 578 ms 544 KB Output is correct
42 Correct 61 ms 528 KB Output is correct
43 Correct 163 ms 600 KB Output is correct
44 Correct 140 ms 528 KB Output is correct
45 Correct 206 ms 608 KB Output is correct
46 Correct 331 ms 528 KB Output is correct
47 Correct 389 ms 604 KB Output is correct
48 Correct 79 ms 584 KB Output is correct
49 Correct 71 ms 624 KB Output is correct