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Submission #462532

# Submission time Handle Problem Language Result Execution time Memory
462532 2021-08-10T17:24:13 Z wind_reaper Stations (IOI20_stations) C++17
100 / 100
 1134 ms 840 KB 
#include "stations.h"
#include <bits/stdc++.h>

using namespace std;

void dfs(vector<vector<int>>& g, vector<int>& tin, int u, int p, int d, int& timer){
	if(!d) tin[u] = timer++;
	for(int v : g[u]) if(v != p){
		dfs(g, tin, v, u, d ^ 1, timer);
	}
	if(d) tin[u] = timer++;
}

vector<int> label(int n, int k, vector<int> u, vector<int> v){
	vector<vector<int>> g(n);
	for(int i = 0; i < n - 1; i++){
		g[u[i]].push_back(v[i]);
		g[v[i]].push_back(u[i]);
	}

	vector<int> tin(n);
	int timer = 0;

	dfs(g, tin, 0, 0, 0, timer);

	return tin;
}

int find_next_station(int s, int t, vector<int> c){
	int m = c.size(), i;
	if(s < c[0]){
		for(i = 0; i < m - 1; i++)
			if((i == 0 ? s : c[i-1]) < t && c[i] >= t)
				break;
	}
	else{
		for(i = m - 1; i > 0; --i)
			if((i + 1 == m ? s : c[i+1]) > t && c[i] <= t)
				break;
	}

	return c[i];
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 692 ms 680 KB Output is correct
2 Correct 603 ms 604 KB Output is correct
3 Correct 1134 ms 400 KB Output is correct
4 Correct 738 ms 400 KB Output is correct
5 Correct 741 ms 400 KB Output is correct
6 Correct 606 ms 528 KB Output is correct
7 Correct 534 ms 528 KB Output is correct
8 Correct 3 ms 476 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 1 ms 464 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 489 ms 492 KB Output is correct
2 Correct 625 ms 528 KB Output is correct
3 Correct 1012 ms 428 KB Output is correct
4 Correct 747 ms 492 KB Output is correct
5 Correct 706 ms 404 KB Output is correct
6 Correct 513 ms 492 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 649 ms 608 KB Output is correct
2 Correct 564 ms 616 KB Output is correct
3 Correct 1011 ms 400 KB Output is correct
4 Correct 843 ms 488 KB Output is correct
5 Correct 743 ms 484 KB Output is correct
6 Correct 553 ms 528 KB Output is correct
7 Correct 543 ms 592 KB Output is correct
8 Correct 3 ms 468 KB Output is correct
9 Correct 5 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 636 ms 616 KB Output is correct
12 Correct 490 ms 604 KB Output is correct
13 Correct 467 ms 700 KB Output is correct
14 Correct 498 ms 528 KB Output is correct
15 Correct 61 ms 400 KB Output is correct
16 Correct 74 ms 528 KB Output is correct
17 Correct 112 ms 528 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 971 ms 400 KB Output is correct
2 Correct 626 ms 528 KB Output is correct
3 Correct 634 ms 488 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 4 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 647 ms 400 KB Output is correct
8 Correct 960 ms 400 KB Output is correct
9 Correct 730 ms 400 KB Output is correct
10 Correct 591 ms 400 KB Output is correct
11 Correct 6 ms 468 KB Output is correct
12 Correct 4 ms 468 KB Output is correct
13 Correct 6 ms 476 KB Output is correct
14 Correct 5 ms 472 KB Output is correct
15 Correct 2 ms 480 KB Output is correct
16 Correct 519 ms 400 KB Output is correct
17 Correct 545 ms 488 KB Output is correct
18 Correct 517 ms 492 KB Output is correct
19 Correct 630 ms 488 KB Output is correct
20 Correct 588 ms 400 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 670 ms 656 KB Output is correct
2 Correct 526 ms 620 KB Output is correct
3 Correct 959 ms 400 KB Output is correct
4 Correct 763 ms 400 KB Output is correct
5 Correct 674 ms 400 KB Output is correct
6 Correct 463 ms 616 KB Output is correct
7 Correct 527 ms 568 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 4 ms 476 KB Output is correct
10 Correct 0 ms 468 KB Output is correct
11 Correct 516 ms 528 KB Output is correct
12 Correct 663 ms 528 KB Output is correct
13 Correct 971 ms 400 KB Output is correct
14 Correct 698 ms 400 KB Output is correct
15 Correct 614 ms 528 KB Output is correct
16 Correct 544 ms 484 KB Output is correct
17 Correct 685 ms 612 KB Output is correct
18 Correct 634 ms 528 KB Output is correct
19 Correct 490 ms 680 KB Output is correct
20 Correct 497 ms 484 KB Output is correct
21 Correct 48 ms 472 KB Output is correct
22 Correct 73 ms 560 KB Output is correct
23 Correct 97 ms 528 KB Output is correct
24 Correct 7 ms 476 KB Output is correct
25 Correct 5 ms 400 KB Output is correct
26 Correct 5 ms 468 KB Output is correct
27 Correct 4 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 657 ms 488 KB Output is correct
30 Correct 621 ms 400 KB Output is correct
31 Correct 664 ms 508 KB Output is correct
32 Correct 593 ms 400 KB Output is correct
33 Correct 585 ms 400 KB Output is correct
34 Correct 359 ms 520 KB Output is correct
35 Correct 488 ms 840 KB Output is correct
36 Correct 550 ms 608 KB Output is correct
37 Correct 524 ms 608 KB Output is correct
38 Correct 580 ms 648 KB Output is correct
39 Correct 546 ms 616 KB Output is correct
40 Correct 556 ms 600 KB Output is correct
41 Correct 581 ms 768 KB Output is correct
42 Correct 63 ms 556 KB Output is correct
43 Correct 98 ms 528 KB Output is correct
44 Correct 125 ms 528 KB Output is correct
45 Correct 203 ms 536 KB Output is correct
46 Correct 349 ms 528 KB Output is correct
47 Correct 362 ms 528 KB Output is correct
48 Correct 70 ms 548 KB Output is correct
49 Correct 72 ms 612 KB Output is correct