#include<bits/stdc++.h>
#include "longesttrip.h"
using namespace std;
vector<int> longest_trip(int N, int D)
{
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
vector<int> path[2];
path[0] = {0};
for (int i = 1; i < N; i++) {
bool which = uniform_int_distribution<int>(0, 1)(rng);
if (path[which].empty()) {
which = !which;
}
if (are_connected({path[which].back()}, {i})) {
path[which].push_back(i);
if (!path[!which].empty() &&
are_connected({path[!which].back()}, {i})) {
while (!path[!which].empty()) {
path[which].push_back(path[!which].back());
path[!which].pop_back();
}
}
}
else {
path[!which].push_back(i);
}
}
if (path[0].empty()) {
return path[1];
}
if (path[1].empty()) {
return path[0];
}
vector<int> res;
if (are_connected({path[0][0]}, {path[1][0]})) {
for (int i: path[1]) {
res.push_back(i);
}
reverse(res.begin(), res.end());
for (int i: path[0]) {
res.push_back(i);
}
}
else if(are_connected({path[0][0]}, {path[1].back()})) {
for (int i: path[1]) {
res.push_back(i);
}
for (int i: path[0]) {
res.push_back(i);
}
}
else if(are_connected({path[0].back()}, {path[1][0]})) {
for (int i: path[0]) {
res.push_back(i);
}
for (int i: path[1]) {
res.push_back(i);
}
}
else {
res = (path[0].size() > path[1].size())?path[0] : path[1];
}
return res;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
344 KB |
Output is correct |
| 2 |
Correct |
6 ms |
344 KB |
Output is correct |
| 3 |
Correct |
5 ms |
344 KB |
Output is correct |
| 4 |
Correct |
4 ms |
344 KB |
Output is correct |
| 5 |
Correct |
4 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
344 KB |
Output is correct |
| 2 |
Correct |
6 ms |
512 KB |
Output is correct |
| 3 |
Correct |
5 ms |
344 KB |
Output is correct |
| 4 |
Correct |
4 ms |
344 KB |
Output is correct |
| 5 |
Correct |
4 ms |
344 KB |
Output is correct |
| 6 |
Correct |
8 ms |
344 KB |
Output is correct |
| 7 |
Correct |
5 ms |
344 KB |
Output is correct |
| 8 |
Correct |
4 ms |
344 KB |
Output is correct |
| 9 |
Correct |
4 ms |
600 KB |
Output is correct |
| 10 |
Correct |
4 ms |
344 KB |
Output is correct |
| 11 |
Correct |
5 ms |
344 KB |
Output is correct |
| 12 |
Correct |
4 ms |
344 KB |
Output is correct |
| 13 |
Correct |
4 ms |
440 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
344 KB |
Output is correct |
| 2 |
Correct |
5 ms |
344 KB |
Output is correct |
| 3 |
Correct |
5 ms |
344 KB |
Output is correct |
| 4 |
Correct |
4 ms |
344 KB |
Output is correct |
| 5 |
Correct |
4 ms |
344 KB |
Output is correct |
| 6 |
Correct |
7 ms |
344 KB |
Output is correct |
| 7 |
Correct |
6 ms |
344 KB |
Output is correct |
| 8 |
Correct |
4 ms |
344 KB |
Output is correct |
| 9 |
Correct |
4 ms |
600 KB |
Output is correct |
| 10 |
Correct |
4 ms |
600 KB |
Output is correct |
| 11 |
Correct |
4 ms |
344 KB |
Output is correct |
| 12 |
Correct |
4 ms |
344 KB |
Output is correct |
| 13 |
Correct |
5 ms |
344 KB |
Output is correct |
| 14 |
Correct |
12 ms |
344 KB |
Output is correct |
| 15 |
Correct |
12 ms |
344 KB |
Output is correct |
| 16 |
Correct |
7 ms |
344 KB |
Output is correct |
| 17 |
Correct |
6 ms |
344 KB |
Output is correct |
| 18 |
Correct |
6 ms |
344 KB |
Output is correct |
| 19 |
Correct |
5 ms |
344 KB |
Output is correct |
| 20 |
Correct |
6 ms |
600 KB |
Output is correct |
| 21 |
Correct |
5 ms |
600 KB |
Output is correct |
| 22 |
Correct |
5 ms |
600 KB |
Output is correct |
| 23 |
Correct |
6 ms |
600 KB |
Output is correct |
| 24 |
Correct |
5 ms |
344 KB |
Output is correct |
| 25 |
Correct |
9 ms |
344 KB |
Output is correct |
| 26 |
Correct |
9 ms |
344 KB |
Output is correct |
| 27 |
Correct |
7 ms |
344 KB |
Output is correct |
| 28 |
Correct |
7 ms |
340 KB |
Output is correct |
| 29 |
Correct |
8 ms |
344 KB |
Output is correct |
| 30 |
Correct |
5 ms |
344 KB |
Output is correct |
| 31 |
Correct |
6 ms |
344 KB |
Output is correct |
| 32 |
Correct |
6 ms |
344 KB |
Output is correct |
| 33 |
Correct |
6 ms |
344 KB |
Output is correct |
| 34 |
Correct |
6 ms |
344 KB |
Output is correct |
| 35 |
Correct |
6 ms |
596 KB |
Output is correct |
| 36 |
Correct |
6 ms |
344 KB |
Output is correct |
| 37 |
Correct |
6 ms |
344 KB |
Output is correct |
| 38 |
Correct |
8 ms |
600 KB |
Output is correct |
| 39 |
Correct |
6 ms |
344 KB |
Output is correct |
| 40 |
Correct |
7 ms |
344 KB |
Output is correct |
| 41 |
Correct |
7 ms |
600 KB |
Output is correct |
| 42 |
Correct |
6 ms |
344 KB |
Output is correct |
| 43 |
Correct |
6 ms |
600 KB |
Output is correct |
| 44 |
Correct |
6 ms |
608 KB |
Output is correct |
| 45 |
Correct |
8 ms |
344 KB |
Output is correct |
| 46 |
Correct |
8 ms |
344 KB |
Output is correct |
| 47 |
Correct |
6 ms |
344 KB |
Output is correct |
| 48 |
Correct |
8 ms |
344 KB |
Output is correct |
| 49 |
Correct |
8 ms |
344 KB |
Output is correct |
| 50 |
Correct |
5 ms |
344 KB |
Output is correct |
| 51 |
Correct |
6 ms |
344 KB |
Output is correct |
| 52 |
Correct |
6 ms |
344 KB |
Output is correct |
| 53 |
Correct |
6 ms |
688 KB |
Output is correct |
| 54 |
Correct |
6 ms |
600 KB |
Output is correct |
| 55 |
Correct |
6 ms |
600 KB |
Output is correct |
| 56 |
Correct |
5 ms |
344 KB |
Output is correct |
| 57 |
Correct |
7 ms |
344 KB |
Output is correct |
| 58 |
Correct |
6 ms |
344 KB |
Output is correct |
| 59 |
Correct |
6 ms |
344 KB |
Output is correct |
| 60 |
Correct |
6 ms |
600 KB |
Output is correct |
| 61 |
Correct |
7 ms |
344 KB |
Output is correct |
| 62 |
Correct |
6 ms |
344 KB |
Output is correct |
| 63 |
Correct |
6 ms |
608 KB |
Output is correct |
| 64 |
Correct |
6 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
340 KB |
Output is correct |
| 2 |
Correct |
5 ms |
344 KB |
Output is correct |
| 3 |
Correct |
5 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
5 ms |
340 KB |
Output is correct |
| 6 |
Correct |
8 ms |
344 KB |
Output is correct |
| 7 |
Correct |
6 ms |
344 KB |
Output is correct |
| 8 |
Correct |
5 ms |
344 KB |
Output is correct |
| 9 |
Correct |
4 ms |
344 KB |
Output is correct |
| 10 |
Correct |
4 ms |
344 KB |
Output is correct |
| 11 |
Correct |
4 ms |
436 KB |
Output is correct |
| 12 |
Correct |
4 ms |
344 KB |
Output is correct |
| 13 |
Correct |
5 ms |
344 KB |
Output is correct |
| 14 |
Correct |
12 ms |
344 KB |
Output is correct |
| 15 |
Correct |
9 ms |
344 KB |
Output is correct |
| 16 |
Incorrect |
1 ms |
344 KB |
Incorrect |
| 17 |
Halted |
0 ms |
0 KB |
- |
