Submission #319473

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
319473	2020-11-05T10:58:48 Z	VEGAnn	Fun Tour (APIO20_fun)	C++14	26 / 100	15 ms	2924 KB

fun

#include "fun.h"
#include <bits/stdc++.h>
#define PB push_back
#define sz(x) ((int)x.size())
#define i2 array<int,2>
#define all(x) x.begin(),x.end()
using namespace std;
const int N = 100100;
vector<int> g[N], ans;
int siz[N], glob, mx;
bool mrk[N];

void dfs(int v, int p, int len){
    if (mx < len){
        mx = len;
        glob = v;
    }

    for (int u : g[v]){
        if (u == p || mrk[u]) continue;

        dfs(u, v, len + 1);
    }
}

vector<int> createFunTour(int n, int Q) {
    if (n <= 500){
        for (int i = 0; i < n; i++)
        for (int j = i + 1; j < n; j++){
            int now = hoursRequired(i, j);

            if (now == 1){
                g[i].PB(j);
                g[j].PB(i);
            }
        }
    } else {
//        for (int i = 1; i < n; i++){
//            int j = (i - 1) / 2;
//
//            g[i].PB(j);
//            g[j].PB(i);
//        }
        exit(-1);
    }

    ans.clear();

    mx = -1;

    dfs(0, -1, 0);

    for (int it = 0; it < n; it++){
        ans.PB(glob);
        mrk[glob] = 1;

        mx = -1;

        dfs(glob, -1, 0);
    }

    return ans;
}

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2668 KB	Output is correct
2	Correct	2 ms	2668 KB	Output is correct
3	Correct	2 ms	2668 KB	Output is correct
4	Correct	2 ms	2668 KB	Output is correct
5	Correct	2 ms	2668 KB	Output is correct
6	Correct	2 ms	2668 KB	Output is correct
7	Correct	2 ms	2668 KB	Output is correct
8	Correct	2 ms	2668 KB	Output is correct
9	Correct	2 ms	2688 KB	Output is correct
10	Correct	2 ms	2796 KB	Output is correct
11	Correct	3 ms	2668 KB	Output is correct
12	Correct	2 ms	2668 KB	Output is correct
13	Correct	2 ms	2668 KB	Output is correct
14	Correct	2 ms	2796 KB	Output is correct
15	Correct	2 ms	2700 KB	Output is correct
16	Correct	2 ms	2796 KB	Output is correct
17	Correct	2 ms	2668 KB	Output is correct
18	Correct	2 ms	2668 KB	Output is correct
19	Correct	2 ms	2668 KB	Output is correct
20	Correct	2 ms	2668 KB	Output is correct

Subtask #2

16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2668 KB	Output is correct
2	Correct	2 ms	2668 KB	Output is correct
3	Correct	2 ms	2668 KB	Output is correct
4	Correct	2 ms	2668 KB	Output is correct
5	Correct	2 ms	2668 KB	Output is correct
6	Correct	2 ms	2668 KB	Output is correct
7	Correct	2 ms	2668 KB	Output is correct
8	Correct	2 ms	2668 KB	Output is correct
9	Correct	2 ms	2688 KB	Output is correct
10	Correct	2 ms	2796 KB	Output is correct
11	Correct	3 ms	2668 KB	Output is correct
12	Correct	2 ms	2668 KB	Output is correct
13	Correct	2 ms	2668 KB	Output is correct
14	Correct	2 ms	2796 KB	Output is correct
15	Correct	2 ms	2700 KB	Output is correct
16	Correct	2 ms	2796 KB	Output is correct
17	Correct	2 ms	2668 KB	Output is correct
18	Correct	2 ms	2668 KB	Output is correct
19	Correct	2 ms	2668 KB	Output is correct
20	Correct	2 ms	2668 KB	Output is correct
21	Correct	2 ms	2816 KB	Output is correct
22	Correct	2 ms	2668 KB	Output is correct
23	Correct	2 ms	2668 KB	Output is correct
24	Correct	13 ms	2796 KB	Output is correct
25	Correct	2 ms	2668 KB	Output is correct
26	Correct	3 ms	2796 KB	Output is correct
27	Correct	3 ms	2668 KB	Output is correct
28	Correct	2 ms	2668 KB	Output is correct
29	Correct	13 ms	2796 KB	Output is correct
30	Correct	3 ms	2796 KB	Output is correct
31	Correct	4 ms	2668 KB	Output is correct
32	Correct	5 ms	2668 KB	Output is correct
33	Correct	3 ms	2668 KB	Output is correct
34	Correct	14 ms	2924 KB	Output is correct
35	Correct	14 ms	2796 KB	Output is correct
36	Correct	15 ms	2796 KB	Output is correct
37	Correct	3 ms	2668 KB	Output is correct
38	Correct	14 ms	2796 KB	Output is correct
39	Correct	6 ms	2668 KB	Output is correct
40	Correct	8 ms	2796 KB	Output is correct
41	Correct	4 ms	2668 KB	Output is correct

Subtask #3

0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2668 KB	Output is correct
2	Correct	2 ms	2668 KB	Output is correct
3	Correct	2 ms	2668 KB	Output is correct
4	Correct	2 ms	2668 KB	Output is correct
5	Correct	2 ms	2668 KB	Output is correct
6	Correct	2 ms	2668 KB	Output is correct
7	Correct	2 ms	2668 KB	Output is correct
8	Correct	2 ms	2688 KB	Output is correct
9	Correct	2 ms	2816 KB	Output is correct
10	Correct	2 ms	2668 KB	Output is correct
11	Correct	2 ms	2668 KB	Output is correct
12	Correct	13 ms	2796 KB	Output is correct
13	Correct	2 ms	2668 KB	Output is correct
14	Correct	3 ms	2796 KB	Output is correct
15	Correct	3 ms	2668 KB	Output is correct
16	Runtime error	2 ms	2668 KB	Execution failed because the return code was nonzero
17	Halted	0 ms	0 KB	-

Subtask #4

0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2668 KB	Output is correct
2	Correct	2 ms	2668 KB	Output is correct
3	Correct	2 ms	2796 KB	Output is correct
4	Correct	3 ms	2668 KB	Output is correct
5	Correct	2 ms	2668 KB	Output is correct
6	Correct	2 ms	2668 KB	Output is correct
7	Correct	2 ms	2668 KB	Output is correct
8	Correct	13 ms	2796 KB	Output is correct
9	Correct	3 ms	2796 KB	Output is correct
10	Correct	4 ms	2668 KB	Output is correct
11	Correct	5 ms	2668 KB	Output is correct
12	Correct	3 ms	2668 KB	Output is correct
13	Runtime error	2 ms	2796 KB	Execution failed because the return code was nonzero
14	Halted	0 ms	0 KB	-

Subtask #5

0 / 34.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	2668 KB	Output is correct
2	Correct	2 ms	2668 KB	Output is correct
3	Correct	2 ms	2668 KB	Output is correct
4	Correct	2 ms	2668 KB	Output is correct
5	Correct	2 ms	2668 KB	Output is correct
6	Correct	2 ms	2668 KB	Output is correct
7	Correct	2 ms	2668 KB	Output is correct
8	Correct	2 ms	2668 KB	Output is correct
9	Correct	2 ms	2688 KB	Output is correct
10	Correct	2 ms	2796 KB	Output is correct
11	Correct	3 ms	2668 KB	Output is correct
12	Correct	2 ms	2668 KB	Output is correct
13	Correct	2 ms	2668 KB	Output is correct
14	Correct	2 ms	2796 KB	Output is correct
15	Correct	2 ms	2700 KB	Output is correct
16	Correct	2 ms	2796 KB	Output is correct
17	Correct	2 ms	2668 KB	Output is correct
18	Correct	2 ms	2668 KB	Output is correct
19	Correct	2 ms	2668 KB	Output is correct
20	Correct	2 ms	2668 KB	Output is correct
21	Correct	2 ms	2816 KB	Output is correct
22	Correct	2 ms	2668 KB	Output is correct
23	Correct	2 ms	2668 KB	Output is correct
24	Correct	13 ms	2796 KB	Output is correct
25	Correct	2 ms	2668 KB	Output is correct
26	Correct	3 ms	2796 KB	Output is correct
27	Correct	3 ms	2668 KB	Output is correct
28	Correct	2 ms	2668 KB	Output is correct
29	Correct	13 ms	2796 KB	Output is correct
30	Correct	3 ms	2796 KB	Output is correct
31	Correct	4 ms	2668 KB	Output is correct
32	Correct	5 ms	2668 KB	Output is correct
33	Correct	3 ms	2668 KB	Output is correct
34	Correct	14 ms	2924 KB	Output is correct
35	Correct	14 ms	2796 KB	Output is correct
36	Correct	15 ms	2796 KB	Output is correct
37	Correct	3 ms	2668 KB	Output is correct
38	Correct	14 ms	2796 KB	Output is correct
39	Correct	6 ms	2668 KB	Output is correct
40	Correct	8 ms	2796 KB	Output is correct
41	Correct	4 ms	2668 KB	Output is correct
42	Runtime error	2 ms	2668 KB	Execution failed because the return code was nonzero
43	Halted	0 ms	0 KB	-