#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ff first
#define ss second
#define all(a) (a).begin(), (a).end()
template<typename T>
int len(T &a){return a.size();}
int ask(int a, int b){
return are_connected({a}, {b});
}
vector<int> longest_trip(int n, int d)
{
deque<int> a = {0}, b = {1};
for(int i = 2; i < n; i ++){
if(ask(a.back(), i)){
a.push_back(i);
}else if(ask(b.back(), i)){
b.push_back(i);
}else{
for(int i = len(b) - 1; i >= 0; i --) a.push_back(b[i]);
b = {i};
}
}
if(len(b) > len(a)) swap(a, b);
vector<int> aa, bb;
for(auto u : a) aa.push_back(u);
for(auto u : b) bb.push_back(u);
if(are_connected(aa, bb) == 0){
if(len(aa) > len(bb)) return aa;
return bb;
}
vector<int> res;
if(ask(a[0], b[0])){
for(int i = len(a) - 1; i >= 0; i --){
res.push_back(a[i]);
}
for(int i = 0; i < len(b); i ++) res.push_back(b[i]);
return res;
}
if(ask(a[0], b.back())){
for(auto u : b) res.push_back(u);
for(int i = 0; i < len(a); i ++) res.push_back(a[i]);
return res;
}
if(ask(a.back(), b[0])){
for(auto u : a) res.push_back(u);
for(auto u : b) res.push_back(u);
return res;
}
if(ask(a.back(), b.back())){
for(auto u : a) res.push_back(u);
for(int i = len(b) - 1; i >= 0; i --) res.push_back(b[i]);
return res;
}
int l = -1, r = len(a);
while(r - l > 1){
int m = (l + r) / 2;
vector<int> sh;
for(int i = 0; i <= m; i ++) sh.push_back(a[i]);
if(are_connected(sh, bb)){
r = m;
}else l = m;
}
int i = r;
l = -1, r = len(b);
while(r - l > 1){
int m = (l + r) / 2;
vector<int> sh;
for(int k = 0; k <= m; k ++) sh.push_back(b[k]);
if(are_connected({a[i]}, sh)){
r = m;
}else l = m;
}
int j = r;
for(int k = i + 1; k < len(a); k ++) res.push_back(a[k]);
for(int k = 0; k <= i; k ++) res.push_back(a[k]);
for(int k = j; k < len(b); k ++) res.push_back(b[k]);
for(int k = 0; k < j; k ++) res.push_back(b[k]);
return res;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
2 ms |
436 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
344 KB |
Output is correct |
| 2 |
Correct |
7 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 |
6 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 |
6 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
5 ms |
344 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 |
6 ms |
344 KB |
Output is correct |
| 10 |
Correct |
4 ms |
344 KB |
Output is correct |
| 11 |
Correct |
7 ms |
432 KB |
Output is correct |
| 12 |
Correct |
7 ms |
344 KB |
Output is correct |
| 13 |
Correct |
6 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
344 KB |
Output is correct |
| 2 |
Correct |
7 ms |
344 KB |
Output is correct |
| 3 |
Correct |
6 ms |
344 KB |
Output is correct |
| 4 |
Correct |
6 ms |
344 KB |
Output is correct |
| 5 |
Correct |
6 ms |
344 KB |
Output is correct |
| 6 |
Correct |
8 ms |
344 KB |
Output is correct |
| 7 |
Correct |
9 ms |
344 KB |
Output is correct |
| 8 |
Correct |
7 ms |
344 KB |
Output is correct |
| 9 |
Correct |
6 ms |
600 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 |
416 KB |
Output is correct |
| 14 |
Correct |
6 ms |
344 KB |
Output is correct |
| 15 |
Correct |
8 ms |
344 KB |
Output is correct |
| 16 |
Correct |
11 ms |
344 KB |
Output is correct |
| 17 |
Correct |
9 ms |
432 KB |
Output is correct |
| 18 |
Correct |
8 ms |
344 KB |
Output is correct |
| 19 |
Correct |
6 ms |
348 KB |
Output is correct |
| 20 |
Correct |
7 ms |
344 KB |
Output is correct |
| 21 |
Correct |
6 ms |
344 KB |
Output is correct |
| 22 |
Correct |
5 ms |
344 KB |
Output is correct |
| 23 |
Correct |
7 ms |
600 KB |
Output is correct |
| 24 |
Correct |
4 ms |
344 KB |
Output is correct |
| 25 |
Correct |
8 ms |
344 KB |
Output is correct |
| 26 |
Correct |
12 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 |
8 ms |
344 KB |
Output is correct |
| 30 |
Correct |
9 ms |
340 KB |
Output is correct |
| 31 |
Correct |
7 ms |
344 KB |
Output is correct |
| 32 |
Correct |
11 ms |
344 KB |
Output is correct |
| 33 |
Correct |
6 ms |
344 KB |
Output is correct |
| 34 |
Correct |
5 ms |
344 KB |
Output is correct |
| 35 |
Correct |
6 ms |
344 KB |
Output is correct |
| 36 |
Correct |
5 ms |
344 KB |
Output is correct |
| 37 |
Correct |
8 ms |
344 KB |
Output is correct |
| 38 |
Correct |
6 ms |
344 KB |
Output is correct |
| 39 |
Correct |
4 ms |
344 KB |
Output is correct |
| 40 |
Correct |
7 ms |
344 KB |
Output is correct |
| 41 |
Correct |
11 ms |
344 KB |
Output is correct |
| 42 |
Correct |
6 ms |
344 KB |
Output is correct |
| 43 |
Correct |
7 ms |
600 KB |
Output is correct |
| 44 |
Correct |
11 ms |
344 KB |
Output is correct |
| 45 |
Correct |
8 ms |
344 KB |
Output is correct |
| 46 |
Correct |
12 ms |
344 KB |
Output is correct |
| 47 |
Correct |
8 ms |
344 KB |
Output is correct |
| 48 |
Correct |
8 ms |
344 KB |
Output is correct |
| 49 |
Correct |
11 ms |
344 KB |
Output is correct |
| 50 |
Correct |
6 ms |
344 KB |
Output is correct |
| 51 |
Correct |
9 ms |
344 KB |
Output is correct |
| 52 |
Correct |
9 ms |
344 KB |
Output is correct |
| 53 |
Correct |
4 ms |
344 KB |
Output is correct |
| 54 |
Correct |
6 ms |
596 KB |
Output is correct |
| 55 |
Correct |
5 ms |
344 KB |
Output is correct |
| 56 |
Correct |
8 ms |
344 KB |
Output is correct |
| 57 |
Correct |
10 ms |
344 KB |
Output is correct |
| 58 |
Correct |
9 ms |
448 KB |
Output is correct |
| 59 |
Correct |
7 ms |
344 KB |
Output is correct |
| 60 |
Correct |
6 ms |
344 KB |
Output is correct |
| 61 |
Correct |
8 ms |
344 KB |
Output is correct |
| 62 |
Correct |
7 ms |
440 KB |
Output is correct |
| 63 |
Correct |
11 ms |
600 KB |
Output is correct |
| 64 |
Correct |
8 ms |
440 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 |
384 KB |
Output is correct |
| 6 |
Correct |
8 ms |
344 KB |
Output is correct |
| 7 |
Correct |
6 ms |
344 KB |
Output is correct |
| 8 |
Correct |
6 ms |
344 KB |
Output is correct |
| 9 |
Correct |
5 ms |
436 KB |
Output is correct |
| 10 |
Correct |
7 ms |
344 KB |
Output is correct |
| 11 |
Correct |
5 ms |
344 KB |
Output is correct |
| 12 |
Correct |
5 ms |
344 KB |
Output is correct |
| 13 |
Correct |
9 ms |
600 KB |
Output is correct |
| 14 |
Correct |
6 ms |
344 KB |
Output is correct |
| 15 |
Correct |
8 ms |
344 KB |
Output is correct |
| 16 |
Correct |
8 ms |
344 KB |
Output is correct |
| 17 |
Correct |
7 ms |
344 KB |
Output is correct |
| 18 |
Correct |
7 ms |
344 KB |
Output is correct |
| 19 |
Correct |
7 ms |
344 KB |
Output is correct |
| 20 |
Correct |
6 ms |
344 KB |
Output is correct |
| 21 |
Correct |
6 ms |
344 KB |
Output is correct |
| 22 |
Correct |
7 ms |
344 KB |
Output is correct |
| 23 |
Correct |
6 ms |
344 KB |
Output is correct |
| 24 |
Correct |
6 ms |
344 KB |
Output is correct |
| 25 |
Correct |
6 ms |
344 KB |
Output is correct |
| 26 |
Correct |
7 ms |
344 KB |
Output is correct |
| 27 |
Correct |
7 ms |
344 KB |
Output is correct |
| 28 |
Correct |
7 ms |
344 KB |
Output is correct |
| 29 |
Correct |
4 ms |
344 KB |
Output is correct |
| 30 |
Correct |
5 ms |
436 KB |
Output is correct |
| 31 |
Correct |
6 ms |
344 KB |
Output is correct |
| 32 |
Correct |
6 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 |
8 ms |
344 KB |
Output is correct |
| 36 |
Correct |
9 ms |
344 KB |
Output is correct |
| 37 |
Correct |
6 ms |
340 KB |
Output is correct |
| 38 |
Correct |
8 ms |
344 KB |
Output is correct |
| 39 |
Correct |
11 ms |
344 KB |
Output is correct |
| 40 |
Correct |
7 ms |
344 KB |
Output is correct |
| 41 |
Correct |
6 ms |
440 KB |
Output is correct |
| 42 |
Correct |
6 ms |
424 KB |
Output is correct |
| 43 |
Correct |
4 ms |
444 KB |
Output is correct |
| 44 |
Correct |
4 ms |
344 KB |
Output is correct |
| 45 |
Correct |
6 ms |
440 KB |
Output is correct |
| 46 |
Correct |
6 ms |
344 KB |
Output is correct |
| 47 |
Correct |
5 ms |
424 KB |
Output is correct |
| 48 |
Correct |
4 ms |
344 KB |
Output is correct |
| 49 |
Correct |
5 ms |
344 KB |
Output is correct |
| 50 |
Correct |
7 ms |
344 KB |
Output is correct |
| 51 |
Partially correct |
5 ms |
344 KB |
Output is partially correct |
| 52 |
Correct |
8 ms |
428 KB |
Output is correct |
| 53 |
Correct |
7 ms |
344 KB |
Output is correct |
| 54 |
Correct |
6 ms |
344 KB |
Output is correct |
| 55 |
Correct |
11 ms |
596 KB |
Output is correct |
| 56 |
Correct |
7 ms |
344 KB |
Output is correct |
| 57 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |
| 58 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |
| 59 |
Partially correct |
9 ms |
344 KB |
Output is partially correct |
| 60 |
Correct |
10 ms |
440 KB |
Output is correct |
| 61 |
Correct |
6 ms |
344 KB |
Output is correct |
| 62 |
Correct |
6 ms |
344 KB |
Output is correct |
| 63 |
Partially correct |
7 ms |
428 KB |
Output is partially correct |
| 64 |
Partially correct |
8 ms |
444 KB |
Output is partially correct |
| 65 |
Partially correct |
8 ms |
344 KB |
Output is partially correct |
| 66 |
Partially correct |
8 ms |
344 KB |
Output is partially correct |
| 67 |
Partially correct |
10 ms |
432 KB |
Output is partially correct |
| 68 |
Partially correct |
12 ms |
444 KB |
Output is partially correct |
| 69 |
Partially correct |
6 ms |
344 KB |
Output is partially correct |
| 70 |
Partially correct |
8 ms |
344 KB |
Output is partially correct |
| 71 |
Correct |
7 ms |
344 KB |
Output is correct |
| 72 |
Partially correct |
8 ms |
344 KB |
Output is partially correct |
| 73 |
Partially correct |
9 ms |
344 KB |
Output is partially correct |
| 74 |
Partially correct |
10 ms |
856 KB |
Output is partially correct |
| 75 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |
| 76 |
Partially correct |
10 ms |
344 KB |
Output is partially correct |
| 77 |
Correct |
6 ms |
344 KB |
Output is correct |
| 78 |
Partially correct |
8 ms |
344 KB |
Output is partially correct |
| 79 |
Correct |
7 ms |
440 KB |
Output is correct |
| 80 |
Partially correct |
6 ms |
344 KB |
Output is partially correct |
| 81 |
Partially correct |
11 ms |
424 KB |
Output is partially correct |
| 82 |
Partially correct |
8 ms |
444 KB |
Output is partially correct |
