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