#include "longesttrip.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;
using ll = int;
std::vector<int> longest_trip(int N, int D)
{
mt19937_64 mt(random_device{}());
ll t0 = time(0);
ll n = N;
if (D==3){
vector<ll> r(n);
iota(r.begin(),r.end(),0);
return r;
}
vector<vector<ll>> a(n,vector<ll>(n,0));
for(ll i = 0;i<n;i++){
for(ll j = i+1;j<n;j++){
a[i][j] = a[j][i] = are_connected({i},{j});
}
}
vector<ll> ret;
vector<ll> ord(n);
iota(ord.begin(),ord.end(),0);
auto it = ord.begin();
vector<ll> cur;
cur.reserve(n);
ll cnt = 5000;
while(cnt--){
shuffle(ord.begin(),ord.end(),mt);
cur.push_back(ord[0]);
for(ll i : ord){
if (a[cur.back()][i]) cur.push_back(i);
}
if(cur.size()>ret.size()) ret = cur;
cur.clear();
}
return ret;
}
Compilation message
longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:11:8: warning: unused variable 't0' [-Wunused-variable]
11 | ll t0 = time(0);
| ^~
longesttrip.cpp:27:10: warning: variable 'it' set but not used [-Wunused-but-set-variable]
27 | auto it = ord.begin();
| ^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Incorrect |
217 ms |
692 KB |
Incorrect |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
344 KB |
Output is correct |
| 2 |
Correct |
2 ms |
344 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
1 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
50 ms |
344 KB |
Output is correct |
| 2 |
Correct |
81 ms |
344 KB |
Output is correct |
| 3 |
Correct |
201 ms |
344 KB |
Output is correct |
| 4 |
Correct |
438 ms |
504 KB |
Output is correct |
| 5 |
Correct |
891 ms |
600 KB |
Output is correct |
| 6 |
Correct |
79 ms |
344 KB |
Output is correct |
| 7 |
Correct |
94 ms |
344 KB |
Output is correct |
| 8 |
Correct |
204 ms |
344 KB |
Output is correct |
| 9 |
Correct |
379 ms |
344 KB |
Output is correct |
| 10 |
Correct |
839 ms |
688 KB |
Output is correct |
| 11 |
Correct |
864 ms |
688 KB |
Output is correct |
| 12 |
Correct |
894 ms |
680 KB |
Output is correct |
| 13 |
Correct |
888 ms |
688 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
56 ms |
344 KB |
Output is correct |
| 2 |
Correct |
71 ms |
344 KB |
Output is correct |
| 3 |
Correct |
192 ms |
344 KB |
Output is correct |
| 4 |
Correct |
439 ms |
484 KB |
Output is correct |
| 5 |
Correct |
895 ms |
600 KB |
Output is correct |
| 6 |
Correct |
75 ms |
344 KB |
Output is correct |
| 7 |
Correct |
85 ms |
344 KB |
Output is correct |
| 8 |
Correct |
197 ms |
344 KB |
Output is correct |
| 9 |
Correct |
349 ms |
344 KB |
Output is correct |
| 10 |
Correct |
910 ms |
688 KB |
Output is correct |
| 11 |
Correct |
832 ms |
600 KB |
Output is correct |
| 12 |
Correct |
887 ms |
684 KB |
Output is correct |
| 13 |
Correct |
869 ms |
692 KB |
Output is correct |
| 14 |
Correct |
84 ms |
344 KB |
Output is correct |
| 15 |
Correct |
80 ms |
344 KB |
Output is correct |
| 16 |
Correct |
126 ms |
344 KB |
Output is correct |
| 17 |
Correct |
146 ms |
344 KB |
Output is correct |
| 18 |
Correct |
211 ms |
344 KB |
Output is correct |
| 19 |
Correct |
369 ms |
456 KB |
Output is correct |
| 20 |
Correct |
385 ms |
476 KB |
Output is correct |
| 21 |
Correct |
838 ms |
696 KB |
Output is correct |
| 22 |
Correct |
899 ms |
848 KB |
Output is correct |
| 23 |
Correct |
863 ms |
692 KB |
Output is correct |
| 24 |
Correct |
877 ms |
692 KB |
Output is correct |
| 25 |
Correct |
85 ms |
344 KB |
Output is correct |
| 26 |
Correct |
74 ms |
344 KB |
Output is correct |
| 27 |
Correct |
91 ms |
344 KB |
Output is correct |
| 28 |
Correct |
80 ms |
344 KB |
Output is correct |
| 29 |
Correct |
75 ms |
344 KB |
Output is correct |
| 30 |
Correct |
246 ms |
344 KB |
Output is correct |
| 31 |
Correct |
233 ms |
344 KB |
Output is correct |
| 32 |
Correct |
274 ms |
344 KB |
Output is correct |
| 33 |
Correct |
361 ms |
344 KB |
Output is correct |
| 34 |
Correct |
370 ms |
344 KB |
Output is correct |
| 35 |
Correct |
347 ms |
344 KB |
Output is correct |
| 36 |
Correct |
903 ms |
600 KB |
Output is correct |
| 37 |
Correct |
862 ms |
600 KB |
Output is correct |
| 38 |
Correct |
906 ms |
600 KB |
Output is correct |
| 39 |
Correct |
913 ms |
600 KB |
Output is correct |
| 40 |
Correct |
954 ms |
600 KB |
Output is correct |
| 41 |
Correct |
907 ms |
600 KB |
Output is correct |
| 42 |
Correct |
964 ms |
600 KB |
Output is correct |
| 43 |
Correct |
924 ms |
596 KB |
Output is correct |
| 44 |
Correct |
953 ms |
600 KB |
Output is correct |
| 45 |
Correct |
86 ms |
344 KB |
Output is correct |
| 46 |
Correct |
88 ms |
344 KB |
Output is correct |
| 47 |
Correct |
87 ms |
344 KB |
Output is correct |
| 48 |
Correct |
81 ms |
344 KB |
Output is correct |
| 49 |
Correct |
88 ms |
344 KB |
Output is correct |
| 50 |
Correct |
239 ms |
344 KB |
Output is correct |
| 51 |
Correct |
255 ms |
344 KB |
Output is correct |
| 52 |
Correct |
275 ms |
344 KB |
Output is correct |
| 53 |
Correct |
346 ms |
344 KB |
Output is correct |
| 54 |
Correct |
356 ms |
344 KB |
Output is correct |
| 55 |
Correct |
342 ms |
344 KB |
Output is correct |
| 56 |
Correct |
905 ms |
688 KB |
Output is correct |
| 57 |
Correct |
869 ms |
684 KB |
Output is correct |
| 58 |
Correct |
866 ms |
600 KB |
Output is correct |
| 59 |
Correct |
923 ms |
600 KB |
Output is correct |
| 60 |
Correct |
894 ms |
684 KB |
Output is correct |
| 61 |
Correct |
959 ms |
684 KB |
Output is correct |
| 62 |
Correct |
861 ms |
688 KB |
Output is correct |
| 63 |
Correct |
869 ms |
688 KB |
Output is correct |
| 64 |
Correct |
884 ms |
688 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
66 ms |
344 KB |
Output is correct |
| 2 |
Correct |
68 ms |
344 KB |
Output is correct |
| 3 |
Partially correct |
200 ms |
344 KB |
Output is partially correct |
| 4 |
Partially correct |
414 ms |
480 KB |
Output is partially correct |
| 5 |
Partially correct |
847 ms |
600 KB |
Output is partially correct |
| 6 |
Correct |
72 ms |
344 KB |
Output is correct |
| 7 |
Correct |
76 ms |
344 KB |
Output is correct |
| 8 |
Partially correct |
194 ms |
344 KB |
Output is partially correct |
| 9 |
Partially correct |
355 ms |
344 KB |
Output is partially correct |
| 10 |
Partially correct |
890 ms |
688 KB |
Output is partially correct |
| 11 |
Partially correct |
841 ms |
684 KB |
Output is partially correct |
| 12 |
Partially correct |
865 ms |
600 KB |
Output is partially correct |
| 13 |
Partially correct |
844 ms |
600 KB |
Output is partially correct |
| 14 |
Correct |
75 ms |
340 KB |
Output is correct |
| 15 |
Correct |
78 ms |
344 KB |
Output is correct |
| 16 |
Incorrect |
14 ms |
344 KB |
Incorrect |
| 17 |
Halted |
0 ms |
0 KB |
- |
