// partially_correct/solution-D1-2N.cpp
#include "longesttrip.h"
#include <algorithm>
#include <random>
#include <deque>
#include <iostream>
void combine(std::deque<int> &line1, std::deque<int> &line2)
{
if (line2.empty())
return;
if (are_connected({line1.back()}, {line2.back()}))
{
while (!line2.empty())
{
line1.push_back(line2.back());
line2.pop_back();
}
return;
}
if (are_connected({line1.back()}, {line2.front()}))
{
while (!line2.empty())
{
line1.push_back(line2.front());
line2.pop_front();
}
return;
}
if (are_connected({line1.front()}, {line2.back()}))
{
while (!line2.empty())
{
line1.push_front(line2.back());
line2.pop_back();
}
return;
}
if (are_connected({line1.front()}, {line2.front()}))
{
while (!line2.empty())
{
line1.push_front(line2.front());
line2.pop_front();
}
return;
}
std::vector<int> l1;
l1.clear();
std::vector<int> l2;
l2.clear();
for (int i : line1)
l1.push_back(i);
for (int i : line2)
l2.push_back(i);
if (!are_connected(l1, l2))
return;
int a = 0, b = line2.size() - 1;
while (a != b)
{
std::vector<int> vec(line2.begin() + a, line2.begin() + (a + b) / 2 + 1);
if (are_connected(l1, vec))
{
b = (a + b) / 2;
}
else
{
a = (a + b) / 2 + 1;
}
}
int pos = a;
a = 0;
b = line1.size() - 1;
while (a != b)
{
std::vector<int> vec(line1.begin() + a, line1.begin() + (a + b) / 2 + 1);
if (are_connected(vec, {l2[pos]}))
{
b = (a + b) / 2;
}
else
{
a = (a + b) / 2 + 1;
}
}
int pos2 = a;
if (pos2 != (int)line1.size() - 1)
std::rotate(line1.begin(), line1.begin() + pos2 + 1, line1.end());
if (pos != (int)line2.size() - 1)
std::rotate(line2.begin(), line2.begin() + pos + 1, line2.end());
while (!line2.empty())
{
line1.push_back(line2.back());
line2.pop_back();
}
}
std::vector<int> longest_trip(int N, int /*D*/)
{
srand(time(0));
std::vector<int> ids(N);
for (int i = 0; i < N; i++)
ids[i] = i;
random_shuffle(ids.begin(), ids.end());
std::deque<int> line1;
line1.clear();
std::deque<int> line2;
line2.clear();
line1.push_back(ids[0]);
for (int i = 1; i < N; i++)
{
if (are_connected({line1.back()}, {ids[i]}))
{
line1.push_back(ids[i]);
}
else if (!line2.empty() && are_connected({line2.back()}, {ids[i]}))
{
line2.push_back(ids[i]);
}
else
{
while (!line2.empty())
{
line1.push_back(line2.back());
line2.pop_back();
}
line2.push_back(ids[i]);
}
}
if (line1.size() < line2.size())
swap(line1, line2);
combine(line1, line2);
std::vector<int> ans;
ans.clear();
for (int i : line1)
ans.push_back(i);
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
208 KB |
Output is correct |
| 2 |
Correct |
2 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
208 KB |
Output is correct |
| 2 |
Correct |
10 ms |
208 KB |
Output is correct |
| 3 |
Correct |
10 ms |
208 KB |
Output is correct |
| 4 |
Correct |
5 ms |
208 KB |
Output is correct |
| 5 |
Correct |
7 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
208 KB |
Output is correct |
| 2 |
Correct |
6 ms |
208 KB |
Output is correct |
| 3 |
Correct |
7 ms |
292 KB |
Output is correct |
| 4 |
Correct |
8 ms |
208 KB |
Output is correct |
| 5 |
Correct |
9 ms |
208 KB |
Output is correct |
| 6 |
Correct |
12 ms |
208 KB |
Output is correct |
| 7 |
Correct |
8 ms |
256 KB |
Output is correct |
| 8 |
Correct |
8 ms |
336 KB |
Output is correct |
| 9 |
Correct |
6 ms |
208 KB |
Output is correct |
| 10 |
Correct |
6 ms |
208 KB |
Output is correct |
| 11 |
Correct |
10 ms |
208 KB |
Output is correct |
| 12 |
Correct |
7 ms |
208 KB |
Output is correct |
| 13 |
Correct |
8 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
208 KB |
Output is correct |
| 2 |
Correct |
9 ms |
208 KB |
Output is correct |
| 3 |
Correct |
5 ms |
208 KB |
Output is correct |
| 4 |
Correct |
6 ms |
256 KB |
Output is correct |
| 5 |
Correct |
8 ms |
208 KB |
Output is correct |
| 6 |
Correct |
9 ms |
208 KB |
Output is correct |
| 7 |
Correct |
6 ms |
208 KB |
Output is correct |
| 8 |
Correct |
6 ms |
296 KB |
Output is correct |
| 9 |
Correct |
7 ms |
300 KB |
Output is correct |
| 10 |
Correct |
7 ms |
208 KB |
Output is correct |
| 11 |
Correct |
7 ms |
208 KB |
Output is correct |
| 12 |
Correct |
6 ms |
208 KB |
Output is correct |
| 13 |
Correct |
8 ms |
208 KB |
Output is correct |
| 14 |
Correct |
19 ms |
208 KB |
Output is correct |
| 15 |
Correct |
16 ms |
208 KB |
Output is correct |
| 16 |
Correct |
9 ms |
208 KB |
Output is correct |
| 17 |
Correct |
10 ms |
304 KB |
Output is correct |
| 18 |
Correct |
7 ms |
208 KB |
Output is correct |
| 19 |
Correct |
7 ms |
208 KB |
Output is correct |
| 20 |
Correct |
9 ms |
208 KB |
Output is correct |
| 21 |
Correct |
7 ms |
208 KB |
Output is correct |
| 22 |
Correct |
8 ms |
208 KB |
Output is correct |
| 23 |
Correct |
11 ms |
208 KB |
Output is correct |
| 24 |
Correct |
9 ms |
208 KB |
Output is correct |
| 25 |
Correct |
12 ms |
208 KB |
Output is correct |
| 26 |
Correct |
16 ms |
208 KB |
Output is correct |
| 27 |
Correct |
12 ms |
208 KB |
Output is correct |
| 28 |
Correct |
14 ms |
208 KB |
Output is correct |
| 29 |
Correct |
8 ms |
208 KB |
Output is correct |
| 30 |
Correct |
8 ms |
208 KB |
Output is correct |
| 31 |
Correct |
10 ms |
208 KB |
Output is correct |
| 32 |
Correct |
7 ms |
300 KB |
Output is correct |
| 33 |
Correct |
8 ms |
208 KB |
Output is correct |
| 34 |
Correct |
8 ms |
300 KB |
Output is correct |
| 35 |
Correct |
8 ms |
208 KB |
Output is correct |
| 36 |
Correct |
8 ms |
208 KB |
Output is correct |
| 37 |
Correct |
6 ms |
208 KB |
Output is correct |
| 38 |
Correct |
7 ms |
208 KB |
Output is correct |
| 39 |
Correct |
11 ms |
208 KB |
Output is correct |
| 40 |
Correct |
13 ms |
208 KB |
Output is correct |
| 41 |
Correct |
13 ms |
208 KB |
Output is correct |
| 42 |
Correct |
10 ms |
208 KB |
Output is correct |
| 43 |
Correct |
8 ms |
296 KB |
Output is correct |
| 44 |
Correct |
8 ms |
332 KB |
Output is correct |
| 45 |
Correct |
15 ms |
208 KB |
Output is correct |
| 46 |
Correct |
12 ms |
208 KB |
Output is correct |
| 47 |
Correct |
14 ms |
208 KB |
Output is correct |
| 48 |
Correct |
11 ms |
208 KB |
Output is correct |
| 49 |
Correct |
11 ms |
208 KB |
Output is correct |
| 50 |
Correct |
10 ms |
332 KB |
Output is correct |
| 51 |
Correct |
13 ms |
216 KB |
Output is correct |
| 52 |
Correct |
11 ms |
208 KB |
Output is correct |
| 53 |
Correct |
9 ms |
332 KB |
Output is correct |
| 54 |
Correct |
8 ms |
208 KB |
Output is correct |
| 55 |
Correct |
8 ms |
208 KB |
Output is correct |
| 56 |
Correct |
10 ms |
304 KB |
Output is correct |
| 57 |
Correct |
7 ms |
300 KB |
Output is correct |
| 58 |
Correct |
9 ms |
208 KB |
Output is correct |
| 59 |
Correct |
11 ms |
212 KB |
Output is correct |
| 60 |
Correct |
10 ms |
208 KB |
Output is correct |
| 61 |
Correct |
14 ms |
208 KB |
Output is correct |
| 62 |
Correct |
10 ms |
208 KB |
Output is correct |
| 63 |
Correct |
10 ms |
308 KB |
Output is correct |
| 64 |
Correct |
10 ms |
304 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
236 KB |
Output is correct |
| 2 |
Correct |
8 ms |
208 KB |
Output is correct |
| 3 |
Correct |
5 ms |
208 KB |
Output is correct |
| 4 |
Correct |
7 ms |
208 KB |
Output is correct |
| 5 |
Correct |
7 ms |
208 KB |
Output is correct |
| 6 |
Correct |
11 ms |
208 KB |
Output is correct |
| 7 |
Correct |
10 ms |
208 KB |
Output is correct |
| 8 |
Correct |
8 ms |
208 KB |
Output is correct |
| 9 |
Correct |
8 ms |
304 KB |
Output is correct |
| 10 |
Correct |
6 ms |
208 KB |
Output is correct |
| 11 |
Correct |
9 ms |
208 KB |
Output is correct |
| 12 |
Correct |
8 ms |
332 KB |
Output is correct |
| 13 |
Correct |
8 ms |
208 KB |
Output is correct |
| 14 |
Correct |
17 ms |
208 KB |
Output is correct |
| 15 |
Correct |
19 ms |
208 KB |
Output is correct |
| 16 |
Correct |
10 ms |
208 KB |
Output is correct |
| 17 |
Correct |
12 ms |
208 KB |
Output is correct |
| 18 |
Correct |
9 ms |
208 KB |
Output is correct |
| 19 |
Correct |
8 ms |
208 KB |
Output is correct |
| 20 |
Correct |
10 ms |
208 KB |
Output is correct |
| 21 |
Correct |
16 ms |
208 KB |
Output is correct |
| 22 |
Correct |
21 ms |
208 KB |
Output is correct |
| 23 |
Correct |
9 ms |
208 KB |
Output is correct |
| 24 |
Correct |
11 ms |
220 KB |
Output is correct |
| 25 |
Correct |
13 ms |
208 KB |
Output is correct |
| 26 |
Correct |
6 ms |
208 KB |
Output is correct |
| 27 |
Correct |
13 ms |
208 KB |
Output is correct |
| 28 |
Correct |
13 ms |
208 KB |
Output is correct |
| 29 |
Correct |
6 ms |
208 KB |
Output is correct |
| 30 |
Correct |
7 ms |
208 KB |
Output is correct |
| 31 |
Correct |
11 ms |
208 KB |
Output is correct |
| 32 |
Correct |
15 ms |
208 KB |
Output is correct |
| 33 |
Correct |
11 ms |
208 KB |
Output is correct |
| 34 |
Correct |
10 ms |
208 KB |
Output is correct |
| 35 |
Correct |
15 ms |
208 KB |
Output is correct |
| 36 |
Correct |
10 ms |
208 KB |
Output is correct |
| 37 |
Correct |
10 ms |
208 KB |
Output is correct |
| 38 |
Correct |
17 ms |
208 KB |
Output is correct |
| 39 |
Correct |
10 ms |
208 KB |
Output is correct |
| 40 |
Correct |
10 ms |
208 KB |
Output is correct |
| 41 |
Correct |
10 ms |
208 KB |
Output is correct |
| 42 |
Correct |
8 ms |
208 KB |
Output is correct |
| 43 |
Correct |
10 ms |
208 KB |
Output is correct |
| 44 |
Correct |
9 ms |
208 KB |
Output is correct |
| 45 |
Correct |
6 ms |
208 KB |
Output is correct |
| 46 |
Correct |
8 ms |
208 KB |
Output is correct |
| 47 |
Correct |
9 ms |
208 KB |
Output is correct |
| 48 |
Correct |
6 ms |
208 KB |
Output is correct |
| 49 |
Correct |
8 ms |
208 KB |
Output is correct |
| 50 |
Partially correct |
10 ms |
332 KB |
Output is partially correct |
| 51 |
Partially correct |
10 ms |
208 KB |
Output is partially correct |
| 52 |
Correct |
12 ms |
208 KB |
Output is correct |
| 53 |
Correct |
13 ms |
208 KB |
Output is correct |
| 54 |
Correct |
13 ms |
208 KB |
Output is correct |
| 55 |
Correct |
12 ms |
208 KB |
Output is correct |
| 56 |
Partially correct |
8 ms |
208 KB |
Output is partially correct |
| 57 |
Partially correct |
8 ms |
208 KB |
Output is partially correct |
| 58 |
Partially correct |
12 ms |
208 KB |
Output is partially correct |
| 59 |
Partially correct |
17 ms |
208 KB |
Output is partially correct |
| 60 |
Correct |
13 ms |
208 KB |
Output is correct |
| 61 |
Correct |
14 ms |
208 KB |
Output is correct |
| 62 |
Correct |
7 ms |
308 KB |
Output is correct |
| 63 |
Correct |
8 ms |
208 KB |
Output is correct |
| 64 |
Partially correct |
9 ms |
208 KB |
Output is partially correct |
| 65 |
Partially correct |
13 ms |
208 KB |
Output is partially correct |
| 66 |
Partially correct |
14 ms |
308 KB |
Output is partially correct |
| 67 |
Partially correct |
17 ms |
304 KB |
Output is partially correct |
| 68 |
Partially correct |
9 ms |
208 KB |
Output is partially correct |
| 69 |
Partially correct |
10 ms |
208 KB |
Output is partially correct |
| 70 |
Partially correct |
10 ms |
208 KB |
Output is partially correct |
| 71 |
Correct |
12 ms |
208 KB |
Output is correct |
| 72 |
Correct |
7 ms |
208 KB |
Output is correct |
| 73 |
Partially correct |
10 ms |
208 KB |
Output is partially correct |
| 74 |
Partially correct |
17 ms |
332 KB |
Output is partially correct |
| 75 |
Partially correct |
11 ms |
208 KB |
Output is partially correct |
| 76 |
Partially correct |
15 ms |
208 KB |
Output is partially correct |
| 77 |
Correct |
13 ms |
208 KB |
Output is correct |
| 78 |
Correct |
11 ms |
304 KB |
Output is correct |
| 79 |
Partially correct |
18 ms |
328 KB |
Output is partially correct |
| 80 |
Partially correct |
10 ms |
300 KB |
Output is partially correct |
| 81 |
Partially correct |
14 ms |
208 KB |
Output is partially correct |
| 82 |
Partially correct |
9 ms |
208 KB |
Output is partially correct |
