#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(random_device{}());
int get(vector<int> a, const vector<int>& b) {
if(a.size() == 1) return a.back();
vector<int> a2;
while(a.size() > a2.size())
a2.push_back(a.back()), a.pop_back();
reverse(a2.begin(), a2.end());
if(are_connected(a, b))
return get(a, b);
return get(a2, b);
}
void ajusta(vector<int>& a, int a1) {
vector<int> aux;
while(a.back() != a1) {
aux.push_back(a.back());
a.pop_back();
}
reverse(aux.begin(), aux.end());
for(int x : a)
aux.push_back(x);
a = aux;
}
vector<int> longest_trip(int N, int D)
{
vector<int> perm(N); iota(perm.begin(), perm.end(), 0);
shuffle(perm.begin(), perm.end(), rng);
vector<int> a = { perm.back() }; perm.pop_back();
vector<int> b;
bool topos_disconexos = 1;
while(perm.size()) {
int x = perm.back();
perm.pop_back();
if(are_connected({x}, {a.back()})) {
a.push_back(x);
topos_disconexos = b.size() == 0;
} else if(topos_disconexos) {
b.push_back(x);
} else {
if(are_connected({x}, {b.back()})) {
b.push_back(x);
topos_disconexos = 1;
} else {
reverse(b.begin(), b.end());
for(int k : b)
a.push_back(k);
if(b.size() == 1)
topos_disconexos = 1;
b.clear();
b.push_back(x);
}
}
}
if(!b.size()) return a;
for(int i = 0; i < 2; i++, reverse(a.begin(), a.end())) {
for(int j = 0; j < 2; j++, reverse(b.begin(), b.end())) {
if(are_connected({a.back()}, {b.front()})) {
for(int x : b)
a.push_back(x);
return a;
}
}
}
if(!are_connected(a, b))
return a.size() > b.size() ? a : b;
int a1 = get(a, b);
int b1 = get(b, {a1});
ajusta(a, a1);
ajusta(b, b1);
reverse(b.begin(), b.end());
for(int x : b)
a.push_back(x);
b.clear();
return a;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
600 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
344 KB |
Output is correct |
| 2 |
Correct |
5 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 |
5 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 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 |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
5 ms |
600 KB |
Output is correct |
| 6 |
Correct |
7 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 |
5 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 |
5 ms |
600 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 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 |
500 KB |
Output is correct |
| 5 |
Correct |
5 ms |
636 KB |
Output is correct |
| 6 |
Correct |
9 ms |
344 KB |
Output is correct |
| 7 |
Correct |
7 ms |
344 KB |
Output is correct |
| 8 |
Correct |
4 ms |
344 KB |
Output is correct |
| 9 |
Correct |
5 ms |
596 KB |
Output is correct |
| 10 |
Correct |
5 ms |
600 KB |
Output is correct |
| 11 |
Correct |
7 ms |
604 KB |
Output is correct |
| 12 |
Correct |
6 ms |
444 KB |
Output is correct |
| 13 |
Correct |
5 ms |
348 KB |
Output is correct |
| 14 |
Correct |
16 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 |
5 ms |
344 KB |
Output is correct |
| 18 |
Correct |
6 ms |
344 KB |
Output is correct |
| 19 |
Correct |
5 ms |
600 KB |
Output is correct |
| 20 |
Correct |
5 ms |
344 KB |
Output is correct |
| 21 |
Correct |
5 ms |
600 KB |
Output is correct |
| 22 |
Correct |
5 ms |
608 KB |
Output is correct |
| 23 |
Correct |
5 ms |
344 KB |
Output is correct |
| 24 |
Correct |
6 ms |
600 KB |
Output is correct |
| 25 |
Correct |
12 ms |
344 KB |
Output is correct |
| 26 |
Correct |
12 ms |
420 KB |
Output is correct |
| 27 |
Correct |
8 ms |
344 KB |
Output is correct |
| 28 |
Correct |
8 ms |
344 KB |
Output is correct |
| 29 |
Correct |
8 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 |
596 KB |
Output is correct |
| 33 |
Correct |
6 ms |
600 KB |
Output is correct |
| 34 |
Correct |
5 ms |
600 KB |
Output is correct |
| 35 |
Correct |
5 ms |
436 KB |
Output is correct |
| 36 |
Correct |
6 ms |
600 KB |
Output is correct |
| 37 |
Correct |
5 ms |
344 KB |
Output is correct |
| 38 |
Correct |
6 ms |
344 KB |
Output is correct |
| 39 |
Correct |
6 ms |
344 KB |
Output is correct |
| 40 |
Correct |
7 ms |
344 KB |
Output is correct |
| 41 |
Correct |
6 ms |
344 KB |
Output is correct |
| 42 |
Correct |
6 ms |
344 KB |
Output is correct |
| 43 |
Correct |
5 ms |
344 KB |
Output is correct |
| 44 |
Correct |
6 ms |
344 KB |
Output is correct |
| 45 |
Correct |
10 ms |
344 KB |
Output is correct |
| 46 |
Correct |
9 ms |
344 KB |
Output is correct |
| 47 |
Correct |
8 ms |
344 KB |
Output is correct |
| 48 |
Correct |
9 ms |
344 KB |
Output is correct |
| 49 |
Correct |
9 ms |
344 KB |
Output is correct |
| 50 |
Correct |
5 ms |
344 KB |
Output is correct |
| 51 |
Correct |
7 ms |
344 KB |
Output is correct |
| 52 |
Correct |
8 ms |
596 KB |
Output is correct |
| 53 |
Correct |
5 ms |
600 KB |
Output is correct |
| 54 |
Correct |
6 ms |
600 KB |
Output is correct |
| 55 |
Correct |
5 ms |
344 KB |
Output is correct |
| 56 |
Correct |
5 ms |
448 KB |
Output is correct |
| 57 |
Correct |
6 ms |
600 KB |
Output is correct |
| 58 |
Correct |
7 ms |
604 KB |
Output is correct |
| 59 |
Correct |
7 ms |
604 KB |
Output is correct |
| 60 |
Correct |
10 ms |
600 KB |
Output is correct |
| 61 |
Correct |
7 ms |
344 KB |
Output is correct |
| 62 |
Correct |
6 ms |
600 KB |
Output is correct |
| 63 |
Correct |
6 ms |
696 KB |
Output is correct |
| 64 |
Correct |
7 ms |
700 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 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 |
5 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 |
7 ms |
344 KB |
Output is correct |
| 8 |
Correct |
4 ms |
344 KB |
Output is correct |
| 9 |
Correct |
4 ms |
344 KB |
Output is correct |
| 10 |
Correct |
5 ms |
344 KB |
Output is correct |
| 11 |
Correct |
5 ms |
344 KB |
Output is correct |
| 12 |
Correct |
6 ms |
344 KB |
Output is correct |
| 13 |
Correct |
5 ms |
344 KB |
Output is correct |
| 14 |
Correct |
15 ms |
344 KB |
Output is correct |
| 15 |
Correct |
9 ms |
344 KB |
Output is correct |
| 16 |
Correct |
8 ms |
344 KB |
Output is correct |
| 17 |
Correct |
6 ms |
340 KB |
Output is correct |
| 18 |
Correct |
6 ms |
344 KB |
Output is correct |
| 19 |
Correct |
6 ms |
340 KB |
Output is correct |
| 20 |
Correct |
5 ms |
344 KB |
Output is correct |
| 21 |
Correct |
11 ms |
344 KB |
Output is correct |
| 22 |
Correct |
11 ms |
344 KB |
Output is correct |
| 23 |
Correct |
7 ms |
344 KB |
Output is correct |
| 24 |
Correct |
9 ms |
344 KB |
Output is correct |
| 25 |
Correct |
8 ms |
344 KB |
Output is correct |
| 26 |
Correct |
6 ms |
344 KB |
Output is correct |
| 27 |
Correct |
6 ms |
344 KB |
Output is correct |
| 28 |
Correct |
6 ms |
344 KB |
Output is correct |
| 29 |
Correct |
5 ms |
436 KB |
Output is correct |
| 30 |
Correct |
5 ms |
344 KB |
Output is correct |
| 31 |
Correct |
6 ms |
440 KB |
Output is correct |
| 32 |
Correct |
9 ms |
344 KB |
Output is correct |
| 33 |
Correct |
9 ms |
344 KB |
Output is correct |
| 34 |
Correct |
8 ms |
344 KB |
Output is correct |
| 35 |
Correct |
7 ms |
344 KB |
Output is correct |
| 36 |
Correct |
10 ms |
344 KB |
Output is correct |
| 37 |
Correct |
6 ms |
344 KB |
Output is correct |
| 38 |
Correct |
7 ms |
344 KB |
Output is correct |
| 39 |
Correct |
7 ms |
344 KB |
Output is correct |
| 40 |
Correct |
6 ms |
436 KB |
Output is correct |
| 41 |
Correct |
5 ms |
344 KB |
Output is correct |
| 42 |
Correct |
6 ms |
344 KB |
Output is correct |
| 43 |
Correct |
5 ms |
344 KB |
Output is correct |
| 44 |
Correct |
6 ms |
344 KB |
Output is correct |
| 45 |
Correct |
7 ms |
344 KB |
Output is correct |
| 46 |
Correct |
5 ms |
344 KB |
Output is correct |
| 47 |
Correct |
4 ms |
344 KB |
Output is correct |
| 48 |
Correct |
5 ms |
344 KB |
Output is correct |
| 49 |
Correct |
7 ms |
344 KB |
Output is correct |
| 50 |
Correct |
5 ms |
344 KB |
Output is correct |
| 51 |
Correct |
7 ms |
344 KB |
Output is correct |
| 52 |
Correct |
6 ms |
600 KB |
Output is correct |
| 53 |
Correct |
7 ms |
344 KB |
Output is correct |
| 54 |
Correct |
6 ms |
344 KB |
Output is correct |
| 55 |
Correct |
7 ms |
344 KB |
Output is correct |
| 56 |
Correct |
5 ms |
344 KB |
Output is correct |
| 57 |
Correct |
5 ms |
436 KB |
Output is correct |
| 58 |
Correct |
6 ms |
600 KB |
Output is correct |
| 59 |
Correct |
7 ms |
600 KB |
Output is correct |
| 60 |
Correct |
6 ms |
344 KB |
Output is correct |
| 61 |
Correct |
6 ms |
344 KB |
Output is correct |
| 62 |
Correct |
5 ms |
344 KB |
Output is correct |
| 63 |
Correct |
6 ms |
436 KB |
Output is correct |
| 64 |
Correct |
7 ms |
604 KB |
Output is correct |
| 65 |
Correct |
6 ms |
444 KB |
Output is correct |
| 66 |
Correct |
7 ms |
600 KB |
Output is correct |
| 67 |
Correct |
7 ms |
600 KB |
Output is correct |
| 68 |
Correct |
7 ms |
344 KB |
Output is correct |
| 69 |
Correct |
7 ms |
600 KB |
Output is correct |
| 70 |
Correct |
7 ms |
604 KB |
Output is correct |
| 71 |
Correct |
5 ms |
444 KB |
Output is correct |
| 72 |
Correct |
6 ms |
440 KB |
Output is correct |
| 73 |
Correct |
7 ms |
600 KB |
Output is correct |
| 74 |
Correct |
6 ms |
600 KB |
Output is correct |
| 75 |
Correct |
8 ms |
344 KB |
Output is correct |
| 76 |
Correct |
6 ms |
344 KB |
Output is correct |
| 77 |
Correct |
6 ms |
604 KB |
Output is correct |
| 78 |
Correct |
9 ms |
600 KB |
Output is correct |
| 79 |
Correct |
7 ms |
856 KB |
Output is correct |
| 80 |
Correct |
7 ms |
440 KB |
Output is correct |
| 81 |
Correct |
7 ms |
344 KB |
Output is correct |
| 82 |
Correct |
9 ms |
344 KB |
Output is correct |
