oj.uz

Submission #378250

# Submission time Handle Problem Language Result Execution time Memory
378250 2021-03-16T10:29:28 Z KoD Stations (IOI20_stations) C++17
76 / 100
 1045 ms 1176 KB 
#include <bits/stdc++.h>
#include "stations.h"

template <class T>
using Vec = std::vector<T>;

Vec<int> label(int n, int k, Vec<int> u, Vec<int> v) {
	Vec<Vec<int>> graph(n);
	for (int i = 0; i < n - 1; ++i) {
		graph[u[i]].push_back(v[i]);
		graph[v[i]].push_back(u[i]);
	}
	int time = 0;
	Vec<int> ret(n);
	auto dfs = [&](auto dfs, const int u, const int p, const int d) -> void {
		const auto in = time++;
		for (const auto v: graph[u]) {
			if (v != p) {
				dfs(dfs, v, u, d + 1);
			}
		}
		const auto out = time++;
		ret[u] = (d % 2 == 0 ? in : out);
	};
	dfs(dfs, 0, -1, 0);
	return ret;
}

int find_next_station(int s, int t, Vec<int> c) {
	if (c.size() == 1) {
		return c[0];
	}
	std::sort(c.begin(), c.end());
	if (s == 0) {
		return *std::lower_bound(c.begin(), c.end(), t);
	}
	if (s < c.front()) {
		const auto p = c.back();
		c.pop_back();
		if (s < t && t <= c.back()) {
			return *std::lower_bound(c.begin(), c.end(), t);
		}
		else {
			return p;
		}
	}
	else {
		const auto p = c.front();
		c.erase(c.begin());
		if (c.front() <= t && t < s) {
			return *std::prev(std::upper_bound(c.begin(), c.end(), t));
		}
		else {
			return p;
		}
	}
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 492 KB Invalid labels (values out of range). scenario=2, k=1000, vertex=1, label=1990
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 456 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=1022
2 Halted 0 ms 0 KB -

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 467 ms 884 KB Output is correct
2 Correct 547 ms 884 KB Output is correct
3 Correct 955 ms 756 KB Output is correct
4 Correct 680 ms 864 KB Output is correct
5 Correct 673 ms 756 KB Output is correct
6 Correct 505 ms 884 KB Output is correct
7 Correct 666 ms 864 KB Output is correct
8 Correct 2 ms 756 KB Output is correct
9 Correct 5 ms 756 KB Output is correct
10 Correct 2 ms 868 KB Output is correct
11 Correct 696 ms 1012 KB Output is correct
12 Correct 573 ms 988 KB Output is correct
13 Correct 477 ms 1176 KB Output is correct
14 Correct 504 ms 796 KB Output is correct
15 Correct 54 ms 736 KB Output is correct
16 Correct 75 ms 820 KB Output is correct
17 Correct 112 ms 784 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1045 ms 736 KB Output is correct
2 Correct 681 ms 736 KB Output is correct
3 Correct 718 ms 736 KB Output is correct
4 Correct 3 ms 868 KB Output is correct
5 Correct 5 ms 756 KB Output is correct
6 Correct 2 ms 876 KB Output is correct
7 Correct 690 ms 736 KB Output is correct
8 Correct 1035 ms 896 KB Output is correct
9 Correct 661 ms 1060 KB Output is correct
10 Correct 675 ms 1044 KB Output is correct
11 Correct 6 ms 868 KB Output is correct
12 Correct 7 ms 736 KB Output is correct
13 Correct 5 ms 756 KB Output is correct
14 Correct 3 ms 756 KB Output is correct
15 Correct 2 ms 876 KB Output is correct
16 Correct 596 ms 756 KB Output is correct
17 Correct 492 ms 756 KB Output is correct
18 Correct 585 ms 756 KB Output is correct
19 Correct 605 ms 756 KB Output is correct
20 Correct 616 ms 756 KB Output is correct

Subtask #5
50.0 / 61.0

# Verdict Execution time Memory Grader output
1 Partially correct 601 ms 876 KB Partially correct
2 Partially correct 587 ms 884 KB Partially correct
3 Correct 877 ms 864 KB Output is correct
4 Correct 675 ms 736 KB Output is correct
5 Correct 660 ms 756 KB Output is correct
6 Partially correct 517 ms 884 KB Partially correct
7 Partially correct 537 ms 996 KB Partially correct
8 Correct 3 ms 736 KB Output is correct
9 Correct 4 ms 916 KB Output is correct
10 Correct 2 ms 736 KB Output is correct
11 Partially correct 452 ms 780 KB Partially correct
12 Partially correct 592 ms 756 KB Partially correct
13 Correct 923 ms 736 KB Output is correct
14 Correct 683 ms 756 KB Output is correct
15 Correct 687 ms 868 KB Output is correct
16 Partially correct 465 ms 736 KB Partially correct
17 Correct 519 ms 868 KB Output is correct
18 Partially correct 432 ms 976 KB Partially correct
19 Partially correct 516 ms 864 KB Partially correct
20 Partially correct 434 ms 916 KB Partially correct
21 Correct 57 ms 860 KB Output is correct
22 Partially correct 71 ms 736 KB Partially correct
23 Partially correct 119 ms 916 KB Partially correct
24 Correct 6 ms 868 KB Output is correct
25 Correct 6 ms 756 KB Output is correct
26 Correct 6 ms 868 KB Output is correct
27 Correct 5 ms 868 KB Output is correct
28 Correct 2 ms 1008 KB Output is correct
29 Correct 510 ms 756 KB Output is correct
30 Correct 471 ms 1012 KB Output is correct
31 Correct 635 ms 868 KB Output is correct
32 Correct 569 ms 868 KB Output is correct
33 Correct 603 ms 868 KB Output is correct
34 Partially correct 385 ms 1012 KB Partially correct
35 Partially correct 481 ms 996 KB Partially correct
36 Partially correct 546 ms 1140 KB Partially correct
37 Partially correct 516 ms 1088 KB Partially correct
38 Partially correct 514 ms 936 KB Partially correct
39 Partially correct 483 ms 1072 KB Partially correct
40 Partially correct 538 ms 1004 KB Partially correct
41 Partially correct 560 ms 984 KB Partially correct
42 Partially correct 65 ms 864 KB Partially correct
43 Partially correct 120 ms 736 KB Partially correct
44 Partially correct 172 ms 756 KB Partially correct
45 Partially correct 162 ms 756 KB Partially correct
46 Partially correct 347 ms 736 KB Partially correct
47 Partially correct 313 ms 864 KB Partially correct
48 Partially correct 82 ms 736 KB Partially correct
49 Partially correct 76 ms 844 KB Partially correct