#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
const int nx=305;
std::vector<int> longest_trip(int N, int D)
{
vector<int> d[2];
d[0].push_back(0);
d[1].push_back(1);
bool not_connected=0;
for (int i=2; i<N; i++)
{
if (are_connected(vector<int> {d[0].back()}, vector<int> {i}))
{
not_connected=0;
d[0].push_back(i);
continue;
}
if (not_connected||are_connected(vector<int> {d[1].back()}, vector<int> {i}))
{
not_connected=1;
d[1].push_back(i);
continue;
}
if (d[1].size()==1) not_connected=1;
else not_connected=0;
while (!d[1].empty()) d[0].push_back(d[1].back()), d[1].pop_back();
d[1].push_back(i);
}
if (!are_connected(d[0], d[1])) return d[0].size()>d[1].size()?d[0]:d[1];
if (are_connected(vector<int> {d[0].front()}, vector<int> {d[1].front()}))
{
reverse(d[0].begin(), d[0].end());
for (auto x:d[1]) d[0].push_back(x);
return d[0];
}
if (are_connected(vector<int> {d[0].front()}, vector<int> {d[1].back()}))
{
for (auto x:d[0]) d[1].push_back(x);
return d[1];
}
if (are_connected(vector<int> {d[0].back()}, vector<int> {d[1].front()}))
{
for (auto x:d[1]) d[0].push_back(x);
return d[0];
}
if (are_connected(vector<int> {d[0].back()}, vector<int> {d[1].back()}))
{
reverse(d[1].begin(), d[1].end());
for (auto x:d[1]) d[0].push_back(x);
return d[0];
}
int l=0, r=d[0].size()-1;
while (l<r)
{
int md=(l+r)/2;
vector<int> a;
for (int i=0; i<=md; i++) a.push_back(d[0][i]);
if (are_connected(a, d[1])) r=md;
else l=md+1;
}
int x=l;
l=0, r=d[1].size()-1;
while (l<r)
{
int md=(l+r)/2;
vector<int> a;
for (int i=0; i<=md; i++) a.push_back(d[1][i]);
if (are_connected(a, vector<int> {d[0][x]})) r=md;
else l=md+1;
}
vector<int> res;
for (int i=x+1; i<d[0].size(); i++) res.push_back(d[0][i]);
for (int i=0; i<=x; i++) res.push_back(d[0][i]);
for (int i=l; i<d[1].size(); i++) res.push_back(d[1][i]);
for (int i=0; i<l; i++) res.push_back(d[1][i]);
return res;
}
Compilation message
longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:76:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
76 | for (int i=x+1; i<d[0].size(); i++) res.push_back(d[0][i]);
| ~^~~~~~~~~~~~
longesttrip.cpp:78:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
78 | for (int i=l; i<d[1].size(); i++) res.push_back(d[1][i]);
| ~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
2 ms |
608 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
344 KB |
Output is correct |
| 2 |
Correct |
6 ms |
344 KB |
Output is correct |
| 3 |
Correct |
6 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
5 ms |
600 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
344 KB |
Output is correct |
| 2 |
Correct |
6 ms |
344 KB |
Output is correct |
| 3 |
Correct |
6 ms |
344 KB |
Output is correct |
| 4 |
Correct |
4 ms |
344 KB |
Output is correct |
| 5 |
Correct |
5 ms |
600 KB |
Output is correct |
| 6 |
Correct |
12 ms |
344 KB |
Output is correct |
| 7 |
Correct |
5 ms |
344 KB |
Output is correct |
| 8 |
Correct |
5 ms |
344 KB |
Output is correct |
| 9 |
Correct |
5 ms |
600 KB |
Output is correct |
| 10 |
Correct |
4 ms |
344 KB |
Output is correct |
| 11 |
Correct |
4 ms |
344 KB |
Output is correct |
| 12 |
Correct |
6 ms |
600 KB |
Output is correct |
| 13 |
Correct |
5 ms |
600 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 |
5 ms |
428 KB |
Output is correct |
| 6 |
Correct |
9 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 |
5 ms |
436 KB |
Output is correct |
| 10 |
Correct |
5 ms |
344 KB |
Output is correct |
| 11 |
Correct |
6 ms |
340 KB |
Output is correct |
| 12 |
Correct |
5 ms |
344 KB |
Output is correct |
| 13 |
Correct |
5 ms |
344 KB |
Output is correct |
| 14 |
Correct |
6 ms |
344 KB |
Output is correct |
| 15 |
Correct |
7 ms |
344 KB |
Output is correct |
| 16 |
Correct |
8 ms |
344 KB |
Output is correct |
| 17 |
Correct |
6 ms |
344 KB |
Output is correct |
| 18 |
Correct |
5 ms |
344 KB |
Output is correct |
| 19 |
Correct |
6 ms |
600 KB |
Output is correct |
| 20 |
Correct |
7 ms |
600 KB |
Output is correct |
| 21 |
Correct |
5 ms |
436 KB |
Output is correct |
| 22 |
Correct |
5 ms |
436 KB |
Output is correct |
| 23 |
Correct |
5 ms |
440 KB |
Output is correct |
| 24 |
Correct |
5 ms |
604 KB |
Output is correct |
| 25 |
Correct |
7 ms |
344 KB |
Output is correct |
| 26 |
Correct |
8 ms |
344 KB |
Output is correct |
| 27 |
Correct |
6 ms |
344 KB |
Output is correct |
| 28 |
Correct |
5 ms |
344 KB |
Output is correct |
| 29 |
Correct |
5 ms |
344 KB |
Output is correct |
| 30 |
Correct |
5 ms |
344 KB |
Output is correct |
| 31 |
Correct |
5 ms |
344 KB |
Output is correct |
| 32 |
Correct |
6 ms |
344 KB |
Output is correct |
| 33 |
Correct |
5 ms |
344 KB |
Output is correct |
| 34 |
Correct |
7 ms |
344 KB |
Output is correct |
| 35 |
Correct |
6 ms |
344 KB |
Output is correct |
| 36 |
Correct |
5 ms |
432 KB |
Output is correct |
| 37 |
Correct |
5 ms |
600 KB |
Output is correct |
| 38 |
Correct |
5 ms |
600 KB |
Output is correct |
| 39 |
Correct |
6 ms |
600 KB |
Output is correct |
| 40 |
Correct |
6 ms |
600 KB |
Output is correct |
| 41 |
Correct |
5 ms |
600 KB |
Output is correct |
| 42 |
Correct |
6 ms |
600 KB |
Output is correct |
| 43 |
Correct |
5 ms |
600 KB |
Output is correct |
| 44 |
Correct |
6 ms |
344 KB |
Output is correct |
| 45 |
Correct |
8 ms |
344 KB |
Output is correct |
| 46 |
Correct |
8 ms |
344 KB |
Output is correct |
| 47 |
Correct |
8 ms |
344 KB |
Output is correct |
| 48 |
Correct |
7 ms |
344 KB |
Output is correct |
| 49 |
Correct |
8 ms |
344 KB |
Output is correct |
| 50 |
Correct |
5 ms |
436 KB |
Output is correct |
| 51 |
Correct |
6 ms |
436 KB |
Output is correct |
| 52 |
Correct |
7 ms |
344 KB |
Output is correct |
| 53 |
Correct |
5 ms |
344 KB |
Output is correct |
| 54 |
Correct |
6 ms |
600 KB |
Output is correct |
| 55 |
Correct |
5 ms |
344 KB |
Output is correct |
| 56 |
Correct |
6 ms |
608 KB |
Output is correct |
| 57 |
Correct |
6 ms |
600 KB |
Output is correct |
| 58 |
Correct |
7 ms |
692 KB |
Output is correct |
| 59 |
Correct |
6 ms |
604 KB |
Output is correct |
| 60 |
Correct |
6 ms |
604 KB |
Output is correct |
| 61 |
Correct |
6 ms |
600 KB |
Output is correct |
| 62 |
Correct |
8 ms |
440 KB |
Output is correct |
| 63 |
Correct |
6 ms |
444 KB |
Output is correct |
| 64 |
Correct |
7 ms |
600 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
344 KB |
Output is correct |
| 2 |
Correct |
7 ms |
344 KB |
Output is correct |
| 3 |
Correct |
4 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
4 ms |
344 KB |
Output is correct |
| 6 |
Correct |
9 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 |
5 ms |
440 KB |
Output is correct |
| 10 |
Correct |
5 ms |
852 KB |
Output is correct |
| 11 |
Correct |
5 ms |
688 KB |
Output is correct |
| 12 |
Correct |
4 ms |
344 KB |
Output is correct |
| 13 |
Correct |
5 ms |
344 KB |
Output is correct |
| 14 |
Correct |
5 ms |
344 KB |
Output is correct |
| 15 |
Correct |
6 ms |
344 KB |
Output is correct |
| 16 |
Correct |
11 ms |
344 KB |
Output is correct |
| 17 |
Correct |
5 ms |
344 KB |
Output is correct |
| 18 |
Correct |
6 ms |
344 KB |
Output is correct |
| 19 |
Correct |
6 ms |
600 KB |
Output is correct |
| 20 |
Correct |
5 ms |
344 KB |
Output is correct |
| 21 |
Correct |
6 ms |
344 KB |
Output is correct |
| 22 |
Correct |
6 ms |
344 KB |
Output is correct |
| 23 |
Correct |
5 ms |
344 KB |
Output is correct |
| 24 |
Correct |
5 ms |
344 KB |
Output is correct |
| 25 |
Correct |
5 ms |
344 KB |
Output is correct |
| 26 |
Correct |
5 ms |
344 KB |
Output is correct |
| 27 |
Correct |
5 ms |
344 KB |
Output is correct |
| 28 |
Correct |
6 ms |
344 KB |
Output is correct |
| 29 |
Correct |
4 ms |
344 KB |
Output is correct |
| 30 |
Correct |
5 ms |
344 KB |
Output is correct |
| 31 |
Correct |
5 ms |
344 KB |
Output is correct |
| 32 |
Correct |
8 ms |
344 KB |
Output is correct |
| 33 |
Correct |
9 ms |
344 KB |
Output is correct |
| 34 |
Correct |
10 ms |
344 KB |
Output is correct |
| 35 |
Correct |
7 ms |
344 KB |
Output is correct |
| 36 |
Correct |
8 ms |
344 KB |
Output is correct |
| 37 |
Correct |
6 ms |
440 KB |
Output is correct |
| 38 |
Correct |
8 ms |
436 KB |
Output is correct |
| 39 |
Correct |
8 ms |
344 KB |
Output is correct |
| 40 |
Correct |
5 ms |
596 KB |
Output is correct |
| 41 |
Correct |
5 ms |
344 KB |
Output is correct |
| 42 |
Correct |
7 ms |
600 KB |
Output is correct |
| 43 |
Correct |
7 ms |
432 KB |
Output is correct |
| 44 |
Correct |
5 ms |
436 KB |
Output is correct |
| 45 |
Correct |
5 ms |
604 KB |
Output is correct |
| 46 |
Correct |
7 ms |
604 KB |
Output is correct |
| 47 |
Correct |
5 ms |
608 KB |
Output is correct |
| 48 |
Correct |
5 ms |
600 KB |
Output is correct |
| 49 |
Correct |
5 ms |
344 KB |
Output is correct |
| 50 |
Correct |
6 ms |
344 KB |
Output is correct |
| 51 |
Correct |
7 ms |
344 KB |
Output is correct |
| 52 |
Correct |
6 ms |
344 KB |
Output is correct |
| 53 |
Correct |
5 ms |
344 KB |
Output is correct |
| 54 |
Correct |
6 ms |
600 KB |
Output is correct |
| 55 |
Correct |
6 ms |
344 KB |
Output is correct |
| 56 |
Correct |
5 ms |
344 KB |
Output is correct |
| 57 |
Correct |
5 ms |
344 KB |
Output is correct |
| 58 |
Correct |
6 ms |
600 KB |
Output is correct |
| 59 |
Correct |
6 ms |
344 KB |
Output is correct |
| 60 |
Correct |
5 ms |
344 KB |
Output is correct |
| 61 |
Correct |
6 ms |
344 KB |
Output is correct |
| 62 |
Correct |
5 ms |
600 KB |
Output is correct |
| 63 |
Correct |
6 ms |
600 KB |
Output is correct |
| 64 |
Correct |
7 ms |
604 KB |
Output is correct |
| 65 |
Correct |
6 ms |
440 KB |
Output is correct |
| 66 |
Correct |
7 ms |
444 KB |
Output is correct |
| 67 |
Correct |
7 ms |
596 KB |
Output is correct |
| 68 |
Correct |
6 ms |
864 KB |
Output is correct |
| 69 |
Correct |
6 ms |
696 KB |
Output is correct |
| 70 |
Correct |
6 ms |
696 KB |
Output is correct |
| 71 |
Correct |
5 ms |
856 KB |
Output is correct |
| 72 |
Correct |
7 ms |
604 KB |
Output is correct |
| 73 |
Correct |
6 ms |
440 KB |
Output is correct |
| 74 |
Correct |
6 ms |
604 KB |
Output is correct |
| 75 |
Correct |
6 ms |
440 KB |
Output is correct |
| 76 |
Correct |
6 ms |
600 KB |
Output is correct |
| 77 |
Correct |
5 ms |
856 KB |
Output is correct |
| 78 |
Correct |
6 ms |
692 KB |
Output is correct |
| 79 |
Correct |
7 ms |
608 KB |
Output is correct |
| 80 |
Correct |
6 ms |
856 KB |
Output is correct |
| 81 |
Correct |
7 ms |
444 KB |
Output is correct |
| 82 |
Correct |
6 ms |
440 KB |
Output is correct |
