Submission #304909

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
304909	2020-09-22T07:40:52 Z	model_code	Stations (IOI20_stations)	C++17	76 / 100	1176 ms	1048 KB

stations

#include "stations.h"
#include <algorithm>
#define MAXN 1000

int cnt;
std::vector<int> adj[MAXN], labels;

void dfs(int v, int p, int d) {
	if(!d) labels[v] = cnt;
	++cnt;
	for (int i : adj[v]) if (i != p) dfs(i, v, d ^ 1);
	if(d) labels[v] = cnt;
	++cnt;
}

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

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

Subtask #1

0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	3 ms	508 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	484 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	704 ms	1024 KB	Output is correct
2	Correct	630 ms	1024 KB	Output is correct
3	Correct	1138 ms	908 KB	Output is correct
4	Correct	784 ms	904 KB	Output is correct
5	Correct	700 ms	760 KB	Output is correct
6	Correct	584 ms	1024 KB	Output is correct
7	Correct	554 ms	776 KB	Output is correct
8	Correct	2 ms	768 KB	Output is correct
9	Correct	4 ms	768 KB	Output is correct
10	Correct	0 ms	768 KB	Output is correct
11	Correct	685 ms	1024 KB	Output is correct
12	Correct	533 ms	1048 KB	Output is correct
13	Correct	637 ms	1008 KB	Output is correct
14	Correct	512 ms	904 KB	Output is correct
15	Correct	53 ms	896 KB	Output is correct
16	Correct	74 ms	768 KB	Output is correct
17	Correct	127 ms	800 KB	Output is correct

Subtask #4

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	973 ms	896 KB	Output is correct
2	Correct	685 ms	756 KB	Output is correct
3	Correct	682 ms	640 KB	Output is correct
4	Correct	2 ms	896 KB	Output is correct
5	Correct	4 ms	768 KB	Output is correct
6	Correct	0 ms	768 KB	Output is correct
7	Correct	655 ms	768 KB	Output is correct
8	Correct	1158 ms	1024 KB	Output is correct
9	Correct	863 ms	768 KB	Output is correct
10	Correct	809 ms	808 KB	Output is correct
11	Correct	8 ms	768 KB	Output is correct
12	Correct	7 ms	768 KB	Output is correct
13	Correct	6 ms	800 KB	Output is correct
14	Correct	4 ms	904 KB	Output is correct
15	Correct	2 ms	660 KB	Output is correct
16	Correct	565 ms	768 KB	Output is correct
17	Correct	588 ms	832 KB	Output is correct
18	Correct	693 ms	896 KB	Output is correct
19	Correct	687 ms	768 KB	Output is correct
20	Correct	622 ms	768 KB	Output is correct

Subtask #5

50.0 / 61.0

#	Verdict	Execution time	Memory	Grader output
1	Partially correct	708 ms	1032 KB	Partially correct
2	Partially correct	576 ms	1032 KB	Partially correct
3	Correct	1176 ms	760 KB	Output is correct
4	Correct	734 ms	768 KB	Output is correct
5	Correct	743 ms	768 KB	Output is correct
6	Partially correct	636 ms	1016 KB	Partially correct
7	Partially correct	602 ms	808 KB	Partially correct
8	Correct	3 ms	768 KB	Output is correct
9	Correct	4 ms	768 KB	Output is correct
10	Correct	2 ms	768 KB	Output is correct
11	Partially correct	523 ms	764 KB	Partially correct
12	Partially correct	569 ms	904 KB	Partially correct
13	Correct	1130 ms	760 KB	Output is correct
14	Correct	864 ms	760 KB	Output is correct
15	Correct	770 ms	768 KB	Output is correct
16	Partially correct	466 ms	896 KB	Partially correct
17	Correct	706 ms	816 KB	Output is correct
18	Partially correct	579 ms	1024 KB	Partially correct
19	Partially correct	668 ms	1008 KB	Partially correct
20	Partially correct	496 ms	800 KB	Partially correct
21	Correct	76 ms	828 KB	Output is correct
22	Partially correct	102 ms	768 KB	Partially correct
23	Partially correct	112 ms	780 KB	Partially correct
24	Correct	4 ms	768 KB	Output is correct
25	Correct	7 ms	768 KB	Output is correct
26	Correct	5 ms	776 KB	Output is correct
27	Correct	4 ms	768 KB	Output is correct
28	Correct	2 ms	768 KB	Output is correct
29	Correct	675 ms	776 KB	Output is correct
30	Correct	579 ms	768 KB	Output is correct
31	Correct	622 ms	768 KB	Output is correct
32	Correct	509 ms	776 KB	Output is correct
33	Correct	548 ms	896 KB	Output is correct
34	Partially correct	327 ms	976 KB	Partially correct
35	Partially correct	662 ms	1024 KB	Partially correct
36	Partially correct	503 ms	1016 KB	Partially correct
37	Partially correct	575 ms	988 KB	Partially correct
38	Partially correct	479 ms	768 KB	Partially correct
39	Partially correct	551 ms	960 KB	Partially correct
40	Partially correct	529 ms	1016 KB	Partially correct
41	Partially correct	607 ms	888 KB	Partially correct
42	Partially correct	100 ms	864 KB	Partially correct
43	Partially correct	127 ms	928 KB	Partially correct
44	Partially correct	130 ms	896 KB	Partially correct
45	Partially correct	204 ms	768 KB	Partially correct
46	Partially correct	390 ms	780 KB	Partially correct
47	Partially correct	353 ms	952 KB	Partially correct
48	Partially correct	92 ms	768 KB	Partially correct
49	Partially correct	77 ms	976 KB	Partially correct