#include <bits/stdc++.h>
#include "longesttrip.h"
using namespace std;
int bsmin(vector<int> A, vector<int> B) {
int l = 0, r = A.size();
while(l < r) {
int m = l + (r - l) / 2;
vector<int> C;
for(int i = l; i <= m; i++) C.push_back(A[i]);
if(are_connected(C, B)) {
r = m;
} else {
l = m + 1;
}
}
return l;
}
vector<int> longest_trip(int N, int D) {
vector<int> o(N);
for(int i = 0; i < N; i++) o[i] = i;
int rng = N - 1;
while(rng % 2 == 0) rng /= 2;
for(int i = 0; i < N; i++) swap(o[i], o[(i * i * rng) % N]);
vector<int> A, B;
A.push_back(o[0]);
bool not_con = false;
for(int i = 1; i < N; i++) {
if(are_connected({A.back()}, {o[i]})) {
A.push_back(o[i]);
not_con = false;
} else {
if(B.size() == 0 || not_con) {
B.push_back(o[i]);
not_con = true;
} else {
if(are_connected({B.back()}, {o[i]})) {
B.push_back(o[i]);
not_con = true;
} else {
while(B.size() > 0) {
A.push_back(B.back());
B.pop_back();
}
B.push_back(o[i]);
not_con = false;
}
}
}
}
if(A.size() < B.size()) swap(A, B);
if(B.empty()) return A;
if(are_connected({A[0]}, {B[0]})) reverse(A.begin(), A.end());
if(are_connected({A.back()}, {B.back()})) reverse(B.begin(), B.end());
if(are_connected({A[0]}, {B.back()})) reverse(A.begin(), A.end()), reverse(B.begin(), B.end());
if(are_connected({A.back()}, {B[0]})) {
for(int i : B) A.push_back(i);
return A;
}
if(are_connected(A, B)) {
int j = bsmin(A, B);
int k = bsmin(B, {A[j]});
rotate(A.begin(), A.begin() + (j + 1) % A.size(), A.end());
rotate(B.begin(), B.begin() + k, B.end());
for(int i : B) A.push_back(i);
return A;
}
return A;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
2 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
344 KB |
Output is correct |
| 2 |
Correct |
4 ms |
344 KB |
Output is correct |
| 3 |
Correct |
4 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
600 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 |
6 ms |
344 KB |
Output is correct |
| 3 |
Correct |
5 ms |
344 KB |
Output is correct |
| 4 |
Correct |
4 ms |
600 KB |
Output is correct |
| 5 |
Correct |
5 ms |
600 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 |
4 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 |
5 ms |
344 KB |
Output is correct |
| 13 |
Correct |
4 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 |
5 ms |
344 KB |
Output is correct |
| 4 |
Correct |
4 ms |
344 KB |
Output is correct |
| 5 |
Correct |
5 ms |
608 KB |
Output is correct |
| 6 |
Correct |
11 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 |
5 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 |
5 ms |
608 KB |
Output is correct |
| 13 |
Correct |
4 ms |
344 KB |
Output is correct |
| 14 |
Correct |
14 ms |
344 KB |
Output is correct |
| 15 |
Correct |
11 ms |
344 KB |
Output is correct |
| 16 |
Correct |
6 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 |
5 ms |
344 KB |
Output is correct |
| 20 |
Correct |
5 ms |
344 KB |
Output is correct |
| 21 |
Correct |
5 ms |
596 KB |
Output is correct |
| 22 |
Correct |
5 ms |
340 KB |
Output is correct |
| 23 |
Correct |
5 ms |
608 KB |
Output is correct |
| 24 |
Correct |
5 ms |
344 KB |
Output is correct |
| 25 |
Correct |
10 ms |
344 KB |
Output is correct |
| 26 |
Correct |
12 ms |
344 KB |
Output is correct |
| 27 |
Correct |
11 ms |
344 KB |
Output is correct |
| 28 |
Correct |
8 ms |
344 KB |
Output is correct |
| 29 |
Correct |
7 ms |
344 KB |
Output is correct |
| 30 |
Correct |
4 ms |
344 KB |
Output is correct |
| 31 |
Correct |
5 ms |
344 KB |
Output is correct |
| 32 |
Correct |
5 ms |
344 KB |
Output is correct |
| 33 |
Correct |
5 ms |
436 KB |
Output is correct |
| 34 |
Correct |
5 ms |
344 KB |
Output is correct |
| 35 |
Correct |
4 ms |
600 KB |
Output is correct |
| 36 |
Correct |
5 ms |
608 KB |
Output is correct |
| 37 |
Correct |
5 ms |
344 KB |
Output is correct |
| 38 |
Correct |
5 ms |
608 KB |
Output is correct |
| 39 |
Correct |
5 ms |
344 KB |
Output is correct |
| 40 |
Correct |
7 ms |
344 KB |
Output is correct |
| 41 |
Correct |
7 ms |
344 KB |
Output is correct |
| 42 |
Correct |
5 ms |
344 KB |
Output is correct |
| 43 |
Correct |
6 ms |
608 KB |
Output is correct |
| 44 |
Correct |
6 ms |
600 KB |
Output is correct |
| 45 |
Correct |
9 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 |
8 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 |
7 ms |
344 KB |
Output is correct |
| 53 |
Correct |
5 ms |
344 KB |
Output is correct |
| 54 |
Correct |
6 ms |
344 KB |
Output is correct |
| 55 |
Correct |
5 ms |
600 KB |
Output is correct |
| 56 |
Correct |
5 ms |
344 KB |
Output is correct |
| 57 |
Correct |
5 ms |
340 KB |
Output is correct |
| 58 |
Correct |
5 ms |
344 KB |
Output is correct |
| 59 |
Correct |
6 ms |
604 KB |
Output is correct |
| 60 |
Correct |
6 ms |
444 KB |
Output is correct |
| 61 |
Correct |
8 ms |
596 KB |
Output is correct |
| 62 |
Correct |
6 ms |
796 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 |
5 ms |
344 KB |
Output is correct |
| 2 |
Correct |
4 ms |
344 KB |
Output is correct |
| 3 |
Correct |
5 ms |
344 KB |
Output is correct |
| 4 |
Correct |
4 ms |
600 KB |
Output is correct |
| 5 |
Correct |
4 ms |
596 KB |
Output is correct |
| 6 |
Correct |
9 ms |
344 KB |
Output is correct |
| 7 |
Correct |
8 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 |
4 ms |
344 KB |
Output is correct |
| 11 |
Correct |
4 ms |
344 KB |
Output is correct |
| 12 |
Correct |
5 ms |
600 KB |
Output is correct |
| 13 |
Correct |
5 ms |
340 KB |
Output is correct |
| 14 |
Correct |
13 ms |
344 KB |
Output is correct |
| 15 |
Correct |
9 ms |
340 KB |
Output is correct |
| 16 |
Correct |
8 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 |
5 ms |
344 KB |
Output is correct |
| 21 |
Correct |
10 ms |
344 KB |
Output is correct |
| 22 |
Correct |
13 ms |
344 KB |
Output is correct |
| 23 |
Correct |
8 ms |
344 KB |
Output is correct |
| 24 |
Correct |
7 ms |
344 KB |
Output is correct |
| 25 |
Correct |
8 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 |
5 ms |
344 KB |
Output is correct |
| 29 |
Correct |
5 ms |
600 KB |
Output is correct |
| 30 |
Correct |
5 ms |
432 KB |
Output is correct |
| 31 |
Correct |
5 ms |
600 KB |
Output is correct |
| 32 |
Correct |
9 ms |
344 KB |
Output is correct |
| 33 |
Correct |
11 ms |
344 KB |
Output is correct |
| 34 |
Correct |
11 ms |
344 KB |
Output is correct |
| 35 |
Correct |
8 ms |
344 KB |
Output is correct |
| 36 |
Correct |
7 ms |
344 KB |
Output is correct |
| 37 |
Correct |
6 ms |
344 KB |
Output is correct |
| 38 |
Correct |
6 ms |
344 KB |
Output is correct |
| 39 |
Correct |
7 ms |
344 KB |
Output is correct |
| 40 |
Correct |
5 ms |
344 KB |
Output is correct |
| 41 |
Correct |
6 ms |
600 KB |
Output is correct |
| 42 |
Correct |
5 ms |
344 KB |
Output is correct |
| 43 |
Correct |
6 ms |
344 KB |
Output is correct |
| 44 |
Correct |
5 ms |
436 KB |
Output is correct |
| 45 |
Correct |
6 ms |
344 KB |
Output is correct |
| 46 |
Correct |
5 ms |
344 KB |
Output is correct |
| 47 |
Correct |
5 ms |
540 KB |
Output is correct |
| 48 |
Correct |
5 ms |
344 KB |
Output is correct |
| 49 |
Correct |
5 ms |
600 KB |
Output is correct |
| 50 |
Correct |
6 ms |
344 KB |
Output is correct |
| 51 |
Correct |
6 ms |
608 KB |
Output is correct |
| 52 |
Correct |
5 ms |
344 KB |
Output is correct |
| 53 |
Correct |
5 ms |
344 KB |
Output is correct |
| 54 |
Correct |
5 ms |
344 KB |
Output is correct |
| 55 |
Correct |
5 ms |
600 KB |
Output is correct |
| 56 |
Correct |
5 ms |
344 KB |
Output is correct |
| 57 |
Correct |
5 ms |
608 KB |
Output is correct |
| 58 |
Correct |
6 ms |
344 KB |
Output is correct |
| 59 |
Correct |
5 ms |
344 KB |
Output is correct |
| 60 |
Correct |
6 ms |
600 KB |
Output is correct |
| 61 |
Correct |
5 ms |
344 KB |
Output is correct |
| 62 |
Correct |
5 ms |
344 KB |
Output is correct |
| 63 |
Correct |
5 ms |
344 KB |
Output is correct |
| 64 |
Correct |
6 ms |
344 KB |
Output is correct |
| 65 |
Correct |
6 ms |
608 KB |
Output is correct |
| 66 |
Correct |
7 ms |
440 KB |
Output is correct |
| 67 |
Correct |
6 ms |
440 KB |
Output is correct |
| 68 |
Correct |
6 ms |
688 KB |
Output is correct |
| 69 |
Correct |
6 ms |
344 KB |
Output is correct |
| 70 |
Correct |
6 ms |
440 KB |
Output is correct |
| 71 |
Correct |
6 ms |
600 KB |
Output is correct |
| 72 |
Correct |
5 ms |
344 KB |
Output is correct |
| 73 |
Correct |
6 ms |
856 KB |
Output is correct |
| 74 |
Correct |
6 ms |
436 KB |
Output is correct |
| 75 |
Correct |
8 ms |
600 KB |
Output is correct |
| 76 |
Correct |
8 ms |
604 KB |
Output is correct |
| 77 |
Correct |
5 ms |
344 KB |
Output is correct |
| 78 |
Correct |
5 ms |
344 KB |
Output is correct |
| 79 |
Correct |
6 ms |
612 KB |
Output is correct |
| 80 |
Correct |
6 ms |
600 KB |
Output is correct |
| 81 |
Correct |
6 ms |
432 KB |
Output is correct |
| 82 |
Correct |
6 ms |
600 KB |
Output is correct |
