Submission #401133

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
401133	2021-05-09T12:33:34 Z	dxz05	Stations (IOI20_stations)	C++14	52.3205 / 100	1214 ms	788 KB

stations

#include "stations.h"
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 1011;

vector<int> g[MAXN];

int tin[MAXN], last[MAXN], timer = 0;
void dfs(int v, int p){
    tin[v] = last[v] = timer++;
    for (int u : g[v]){
        if (u != p){
            dfs(u, v);
            last[v] = last[u];
        }
    }
}

vector<int> label(int n, int k, vector<int> U, vector<int> V) {
    for (int i = 0; i < n; i++) g[i].clear();
    timer = 0;

    for (int i = 0; i < n - 1; i++){
        g[U[i]].push_back(V[i]);
        g[V[i]].push_back(U[i]);
    }

    dfs(0, -1);

	vector<int> labels(n, 0);
	for (int i = 0; i < n; i++){
        labels[i] = tin[i] * 1000 + last[i];
	}

	return labels;
}

int find_next_station(int s, int t, vector<int> c) {
    int ans = c[0];
    t /= 1000;
    for (int v : c){
        int x = v / 1000, y = v % 1000;
        if (x <= t && t <= y) ans = v;
    }
    return ans;
}

Subtask #1

0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	4 ms	320 KB	Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=6009
2	Halted	0 ms	0 KB	-

Subtask #2

0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	6 ms	320 KB	Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=1511
2	Halted	0 ms	0 KB	-

Subtask #3

16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	726 ms	532 KB	Output is correct
2	Correct	471 ms	624 KB	Output is correct
3	Correct	1214 ms	652 KB	Output is correct
4	Correct	868 ms	528 KB	Output is correct
5	Correct	831 ms	528 KB	Output is correct
6	Correct	496 ms	520 KB	Output is correct
7	Correct	514 ms	528 KB	Output is correct
8	Correct	3 ms	480 KB	Output is correct
9	Correct	4 ms	472 KB	Output is correct
10	Correct	2 ms	548 KB	Output is correct
11	Correct	665 ms	520 KB	Output is correct
12	Correct	514 ms	748 KB	Output is correct
13	Correct	526 ms	692 KB	Output is correct
14	Correct	620 ms	524 KB	Output is correct
15	Correct	56 ms	528 KB	Output is correct
16	Correct	72 ms	672 KB	Output is correct
17	Correct	132 ms	660 KB	Output is correct

Subtask #4

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1007 ms	400 KB	Output is correct
2	Correct	884 ms	400 KB	Output is correct
3	Correct	739 ms	520 KB	Output is correct
4	Correct	3 ms	480 KB	Output is correct
5	Correct	5 ms	472 KB	Output is correct
6	Correct	2 ms	600 KB	Output is correct
7	Correct	659 ms	520 KB	Output is correct
8	Correct	1003 ms	528 KB	Output is correct
9	Correct	620 ms	520 KB	Output is correct
10	Correct	668 ms	400 KB	Output is correct
11	Correct	7 ms	608 KB	Output is correct
12	Correct	7 ms	600 KB	Output is correct
13	Correct	7 ms	472 KB	Output is correct
14	Correct	5 ms	600 KB	Output is correct
15	Correct	2 ms	600 KB	Output is correct
16	Correct	683 ms	528 KB	Output is correct
17	Correct	610 ms	580 KB	Output is correct
18	Correct	586 ms	516 KB	Output is correct
19	Correct	628 ms	528 KB	Output is correct
20	Correct	485 ms	516 KB	Output is correct

Subtask #5

26.3205 / 61.0

#	Verdict	Execution time	Memory	Grader output
1	Partially correct	673 ms	520 KB	Partially correct
2	Partially correct	470 ms	600 KB	Partially correct
3	Partially correct	876 ms	656 KB	Partially correct
4	Partially correct	889 ms	404 KB	Partially correct
5	Partially correct	744 ms	532 KB	Partially correct
6	Partially correct	506 ms	656 KB	Partially correct
7	Partially correct	581 ms	532 KB	Partially correct
8	Partially correct	3 ms	600 KB	Partially correct
9	Partially correct	4 ms	472 KB	Partially correct
10	Partially correct	2 ms	480 KB	Partially correct
11	Partially correct	543 ms	584 KB	Partially correct
12	Partially correct	556 ms	528 KB	Partially correct
13	Partially correct	1126 ms	528 KB	Partially correct
14	Partially correct	829 ms	528 KB	Partially correct
15	Partially correct	694 ms	528 KB	Partially correct
16	Partially correct	608 ms	656 KB	Partially correct
17	Partially correct	632 ms	528 KB	Partially correct
18	Partially correct	549 ms	528 KB	Partially correct
19	Partially correct	614 ms	640 KB	Partially correct
20	Partially correct	560 ms	656 KB	Partially correct
21	Partially correct	85 ms	536 KB	Partially correct
22	Partially correct	78 ms	512 KB	Partially correct
23	Partially correct	162 ms	656 KB	Partially correct
24	Partially correct	7 ms	604 KB	Partially correct
25	Partially correct	7 ms	420 KB	Partially correct
26	Partially correct	6 ms	468 KB	Partially correct
27	Partially correct	5 ms	548 KB	Partially correct
28	Partially correct	2 ms	552 KB	Partially correct
29	Partially correct	606 ms	520 KB	Partially correct
30	Partially correct	640 ms	528 KB	Partially correct
31	Partially correct	576 ms	524 KB	Partially correct
32	Partially correct	620 ms	528 KB	Partially correct
33	Partially correct	465 ms	528 KB	Partially correct
34	Partially correct	423 ms	648 KB	Partially correct
35	Partially correct	626 ms	624 KB	Partially correct
36	Partially correct	590 ms	632 KB	Partially correct
37	Partially correct	597 ms	680 KB	Partially correct
38	Partially correct	611 ms	788 KB	Partially correct
39	Partially correct	628 ms	628 KB	Partially correct
40	Partially correct	599 ms	760 KB	Partially correct
41	Partially correct	576 ms	772 KB	Partially correct
42	Partially correct	83 ms	656 KB	Partially correct
43	Partially correct	147 ms	652 KB	Partially correct
44	Partially correct	157 ms	528 KB	Partially correct
45	Partially correct	228 ms	532 KB	Partially correct
46	Partially correct	394 ms	656 KB	Partially correct
47	Partially correct	383 ms	516 KB	Partially correct
48	Partially correct	71 ms	656 KB	Partially correct
49	Partially correct	80 ms	676 KB	Partially correct