#include "longesttrip.h"
#define sz(v) (int) v.size()
#define ff first
#define ss second
using namespace std;
typedef pair<int,int> ii;
vector<int> longest_trip(int N, int D)
{
vector<vector<bool>> A(N);
for(int i = 0; i < N; ++i) A[i].resize(N);
for(int i = 0; i < N; ++i){
for(int j = 0; j < i; ++j){
A[i][j] = are_connected({i},{j});
A[j][i] = A[i][j];
}
}
vector<int> G(N);
for(int i = 0; i < N; ++i){
for(int j = 0; j < N; ++j) if(A[i][j]) G[i]++;
}
int x = 0;
for(int i = 1; i < N; ++i){
if(G[i] < G[x]) x = i;
}
vector<int> ans;
if(G[x] <= (N/2)-1){
for(int i = 0; i < N; ++i){
if((i == x) || A[x][i]) continue;
ans.push_back(i);
}
return ans;
}
// G[x] >= (N/2) -> G[i] >= (N/2) for all 0 <= i < N
vector<bool> T(N,false);
ans = {0};
T[0] = 1;
int last = 0;
for(int i = 1; i < (N+1)/2; ++i){
for(int j = 0; j < N; ++j){
if(T[j] || !A[last][j] || (j == last)) continue;
// j is not in ans, j is adjacent to last, j is not last
ans.push_back(j);
last = j;
T[j] = 1;
break;
}
}
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
208 KB |
Incorrect |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
208 KB |
Incorrect |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
208 KB |
Incorrect |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
11 ms |
208 KB |
Output is correct |
| 2 |
Correct |
39 ms |
208 KB |
Output is correct |
| 3 |
Correct |
188 ms |
208 KB |
Output is correct |
| 4 |
Correct |
463 ms |
272 KB |
Output is correct |
| 5 |
Correct |
769 ms |
208 KB |
Output is correct |
| 6 |
Correct |
12 ms |
208 KB |
Output is correct |
| 7 |
Correct |
35 ms |
208 KB |
Output is correct |
| 8 |
Correct |
187 ms |
208 KB |
Output is correct |
| 9 |
Correct |
380 ms |
208 KB |
Output is correct |
| 10 |
Correct |
987 ms |
208 KB |
Output is correct |
| 11 |
Correct |
673 ms |
208 KB |
Output is correct |
| 12 |
Correct |
927 ms |
208 KB |
Output is correct |
| 13 |
Correct |
797 ms |
208 KB |
Output is correct |
| 14 |
Correct |
13 ms |
208 KB |
Output is correct |
| 15 |
Correct |
15 ms |
208 KB |
Output is correct |
| 16 |
Correct |
51 ms |
208 KB |
Output is correct |
| 17 |
Correct |
99 ms |
208 KB |
Output is correct |
| 18 |
Correct |
162 ms |
208 KB |
Output is correct |
| 19 |
Correct |
372 ms |
208 KB |
Output is correct |
| 20 |
Correct |
260 ms |
208 KB |
Output is correct |
| 21 |
Correct |
774 ms |
208 KB |
Output is correct |
| 22 |
Correct |
774 ms |
208 KB |
Output is correct |
| 23 |
Correct |
852 ms |
208 KB |
Output is correct |
| 24 |
Correct |
841 ms |
208 KB |
Output is correct |
| 25 |
Correct |
16 ms |
208 KB |
Output is correct |
| 26 |
Correct |
14 ms |
208 KB |
Output is correct |
| 27 |
Correct |
30 ms |
208 KB |
Output is correct |
| 28 |
Correct |
38 ms |
208 KB |
Output is correct |
| 29 |
Correct |
35 ms |
208 KB |
Output is correct |
| 30 |
Correct |
218 ms |
208 KB |
Output is correct |
| 31 |
Correct |
203 ms |
208 KB |
Output is correct |
| 32 |
Correct |
198 ms |
208 KB |
Output is correct |
| 33 |
Correct |
318 ms |
208 KB |
Output is correct |
| 34 |
Correct |
312 ms |
208 KB |
Output is correct |
| 35 |
Correct |
300 ms |
208 KB |
Output is correct |
| 36 |
Correct |
979 ms |
208 KB |
Output is correct |
| 37 |
Correct |
805 ms |
208 KB |
Output is correct |
| 38 |
Correct |
901 ms |
208 KB |
Output is correct |
| 39 |
Correct |
990 ms |
208 KB |
Output is correct |
| 40 |
Correct |
768 ms |
208 KB |
Output is correct |
| 41 |
Correct |
895 ms |
208 KB |
Output is correct |
| 42 |
Correct |
888 ms |
208 KB |
Output is correct |
| 43 |
Correct |
953 ms |
208 KB |
Output is correct |
| 44 |
Correct |
809 ms |
208 KB |
Output is correct |
| 45 |
Correct |
17 ms |
208 KB |
Output is correct |
| 46 |
Correct |
16 ms |
208 KB |
Output is correct |
| 47 |
Correct |
17 ms |
208 KB |
Output is correct |
| 48 |
Correct |
41 ms |
208 KB |
Output is correct |
| 49 |
Correct |
43 ms |
208 KB |
Output is correct |
| 50 |
Correct |
258 ms |
208 KB |
Output is correct |
| 51 |
Correct |
249 ms |
208 KB |
Output is correct |
| 52 |
Correct |
278 ms |
208 KB |
Output is correct |
| 53 |
Correct |
360 ms |
208 KB |
Output is correct |
| 54 |
Correct |
292 ms |
208 KB |
Output is correct |
| 55 |
Correct |
311 ms |
208 KB |
Output is correct |
| 56 |
Correct |
807 ms |
208 KB |
Output is correct |
| 57 |
Correct |
829 ms |
208 KB |
Output is correct |
| 58 |
Correct |
795 ms |
276 KB |
Output is correct |
| 59 |
Correct |
834 ms |
208 KB |
Output is correct |
| 60 |
Correct |
776 ms |
208 KB |
Output is correct |
| 61 |
Correct |
788 ms |
208 KB |
Output is correct |
| 62 |
Correct |
836 ms |
208 KB |
Output is correct |
| 63 |
Correct |
812 ms |
208 KB |
Output is correct |
| 64 |
Correct |
829 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
208 KB |
Incorrect |
| 2 |
Halted |
0 ms |
0 KB |
- |
