#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vii;
typedef pair<ll,ll> pii;
#define pb push_back
#define F first
#define S second
#define all(v) v.begin(),v.end()
const int M=1010;
const ll inf=1e18;
void cyclic_shift(vector<int> &v){
vector<int> vv;
for(int i=1;i<v.size();i++)
vv.pb(v[i]);
vv.pb(v.front());
swap(vv,v);
}
bool cc(int x,int y){
return are_connected({x},{y});
}
std::vector<int> longest_trip(int N, int D)
{
vector<int>v1,v2;
for(int i=0;i<N;i++){
if(v1.empty()){
v1.pb(i);
continue;
}
if(are_connected({i},{v1.back()})){
v1.pb(i);
continue;
}
if(v2.empty()){
v2.pb(i);
continue;
}
if(are_connected({i},{v2.back()})){
v2.pb(i);
continue;
}
reverse(all(v2));
for(auto it:v2)
v1.pb(it);
v2.clear();
v2.pb(i);
}
if(v2.empty()||!are_connected(v1,v2)){
if(v1.size()>v2.size())
swap(v1,v2);
return v2;
}
while(!are_connected({v1.back()},v2)&&!are_connected({v1.front()},v2))
cyclic_shift(v1);
while(!are_connected({v1.front()},{v2.front()})&&!are_connected({v1.back()},{v2.back()})&&!are_connected({v1.front()},{v2.back()})&&!are_connected({v1.back()},{v2.front()}))
cyclic_shift(v2);
if(cc(v1.back(),v2.back()))
reverse(all(v2));
if(cc(v1.front(),v2.front()))
reverse(all(v1));
if(cc(v1.front(),v2.back()))
swap(v1,v2);
for(auto it:v2)
v1.pb(it);
return v1;
}
Compilation message
longesttrip.cpp: In function 'void cyclic_shift(std::vector<int>&)':
longesttrip.cpp:16:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
16 | for(int i=1;i<v.size();i++)
| ~^~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
2 ms |
600 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
344 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 |
600 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
344 KB |
Output is correct |
2 |
Correct |
7 ms |
344 KB |
Output is correct |
3 |
Correct |
7 ms |
344 KB |
Output is correct |
4 |
Correct |
5 ms |
344 KB |
Output is correct |
5 |
Correct |
7 ms |
600 KB |
Output is correct |
6 |
Correct |
9 ms |
344 KB |
Output is correct |
7 |
Correct |
10 ms |
508 KB |
Output is correct |
8 |
Correct |
6 ms |
344 KB |
Output is correct |
9 |
Correct |
5 ms |
344 KB |
Output is correct |
10 |
Correct |
5 ms |
344 KB |
Output is correct |
11 |
Correct |
4 ms |
344 KB |
Output is correct |
12 |
Correct |
6 ms |
344 KB |
Output is correct |
13 |
Correct |
5 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
344 KB |
Output is correct |
2 |
Correct |
7 ms |
424 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 |
344 KB |
Output is correct |
6 |
Correct |
12 ms |
344 KB |
Output is correct |
7 |
Correct |
10 ms |
344 KB |
Output is correct |
8 |
Correct |
6 ms |
344 KB |
Output is correct |
9 |
Correct |
5 ms |
344 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 |
6 ms |
344 KB |
Output is correct |
14 |
Correct |
7 ms |
344 KB |
Output is correct |
15 |
Correct |
9 ms |
596 KB |
Output is correct |
16 |
Correct |
7 ms |
344 KB |
Output is correct |
17 |
Correct |
10 ms |
344 KB |
Output is correct |
18 |
Correct |
6 ms |
436 KB |
Output is correct |
19 |
Correct |
9 ms |
344 KB |
Output is correct |
20 |
Correct |
6 ms |
344 KB |
Output is correct |
21 |
Correct |
8 ms |
428 KB |
Output is correct |
22 |
Correct |
8 ms |
440 KB |
Output is correct |
23 |
Correct |
6 ms |
600 KB |
Output is correct |
24 |
Correct |
8 ms |
344 KB |
Output is correct |
25 |
Correct |
7 ms |
344 KB |
Output is correct |
26 |
Correct |
7 ms |
344 KB |
Output is correct |
27 |
Correct |
6 ms |
344 KB |
Output is correct |
28 |
Correct |
6 ms |
344 KB |
Output is correct |
29 |
Correct |
9 ms |
344 KB |
Output is correct |
30 |
Correct |
5 ms |
344 KB |
Output is correct |
31 |
Correct |
8 ms |
344 KB |
Output is correct |
32 |
Correct |
11 ms |
344 KB |
Output is correct |
33 |
Correct |
5 ms |
344 KB |
Output is correct |
34 |
Correct |
5 ms |
344 KB |
Output is correct |
35 |
Correct |
7 ms |
344 KB |
Output is correct |
36 |
Correct |
5 ms |
344 KB |
Output is correct |
37 |
Correct |
5 ms |
344 KB |
Output is correct |
38 |
Correct |
5 ms |
344 KB |
Output is correct |
39 |
Correct |
7 ms |
600 KB |
Output is correct |
40 |
Correct |
5 ms |
344 KB |
Output is correct |
41 |
Correct |
5 ms |
344 KB |
Output is correct |
42 |
Correct |
7 ms |
344 KB |
Output is correct |
43 |
Correct |
9 ms |
432 KB |
Output is correct |
44 |
Correct |
7 ms |
344 KB |
Output is correct |
45 |
Correct |
16 ms |
344 KB |
Output is correct |
46 |
Correct |
18 ms |
344 KB |
Output is correct |
47 |
Correct |
11 ms |
344 KB |
Output is correct |
48 |
Correct |
13 ms |
344 KB |
Output is correct |
49 |
Correct |
9 ms |
344 KB |
Output is correct |
50 |
Correct |
10 ms |
344 KB |
Output is correct |
51 |
Correct |
18 ms |
344 KB |
Output is correct |
52 |
Correct |
20 ms |
344 KB |
Output is correct |
53 |
Correct |
13 ms |
340 KB |
Output is correct |
54 |
Correct |
12 ms |
344 KB |
Output is correct |
55 |
Correct |
8 ms |
344 KB |
Output is correct |
56 |
Correct |
9 ms |
344 KB |
Output is correct |
57 |
Correct |
9 ms |
344 KB |
Output is correct |
58 |
Correct |
15 ms |
344 KB |
Output is correct |
59 |
Correct |
17 ms |
600 KB |
Output is correct |
60 |
Correct |
15 ms |
344 KB |
Output is correct |
61 |
Correct |
15 ms |
344 KB |
Output is correct |
62 |
Correct |
21 ms |
344 KB |
Output is correct |
63 |
Correct |
16 ms |
344 KB |
Output is correct |
64 |
Correct |
15 ms |
444 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
344 KB |
Output is correct |
2 |
Correct |
4 ms |
340 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 |
344 KB |
Output is correct |
6 |
Correct |
15 ms |
344 KB |
Output is correct |
7 |
Correct |
7 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 |
5 ms |
344 KB |
Output is correct |
12 |
Correct |
5 ms |
344 KB |
Output is correct |
13 |
Correct |
5 ms |
432 KB |
Output is correct |
14 |
Correct |
10 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 |
5 ms |
344 KB |
Output is correct |
18 |
Correct |
9 ms |
344 KB |
Output is correct |
19 |
Correct |
8 ms |
344 KB |
Output is correct |
20 |
Correct |
6 ms |
344 KB |
Output is correct |
21 |
Correct |
7 ms |
344 KB |
Output is correct |
22 |
Correct |
7 ms |
344 KB |
Output is correct |
23 |
Correct |
5 ms |
344 KB |
Output is correct |
24 |
Correct |
6 ms |
344 KB |
Output is correct |
25 |
Correct |
8 ms |
344 KB |
Output is correct |
26 |
Correct |
4 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 |
5 ms |
344 KB |
Output is correct |
30 |
Correct |
7 ms |
344 KB |
Output is correct |
31 |
Correct |
6 ms |
344 KB |
Output is correct |
32 |
Correct |
12 ms |
344 KB |
Output is correct |
33 |
Correct |
15 ms |
344 KB |
Output is correct |
34 |
Correct |
13 ms |
344 KB |
Output is correct |
35 |
Correct |
13 ms |
344 KB |
Output is correct |
36 |
Correct |
11 ms |
344 KB |
Output is correct |
37 |
Correct |
10 ms |
344 KB |
Output is correct |
38 |
Correct |
12 ms |
344 KB |
Output is correct |
39 |
Correct |
16 ms |
344 KB |
Output is correct |
40 |
Correct |
13 ms |
344 KB |
Output is correct |
41 |
Correct |
12 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 |
6 ms |
344 KB |
Output is correct |
45 |
Correct |
6 ms |
436 KB |
Output is correct |
46 |
Correct |
6 ms |
344 KB |
Output is correct |
47 |
Correct |
5 ms |
344 KB |
Output is correct |
48 |
Correct |
5 ms |
340 KB |
Output is correct |
49 |
Correct |
6 ms |
344 KB |
Output is correct |
50 |
Correct |
5 ms |
344 KB |
Output is correct |
51 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |
52 |
Correct |
10 ms |
344 KB |
Output is correct |
53 |
Correct |
9 ms |
344 KB |
Output is correct |
54 |
Correct |
7 ms |
344 KB |
Output is correct |
55 |
Correct |
7 ms |
344 KB |
Output is correct |
56 |
Correct |
5 ms |
344 KB |
Output is correct |
57 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |
58 |
Partially correct |
7 ms |
440 KB |
Output is partially correct |
59 |
Partially correct |
9 ms |
344 KB |
Output is partially correct |
60 |
Correct |
11 ms |
344 KB |
Output is correct |
61 |
Correct |
7 ms |
344 KB |
Output is correct |
62 |
Partially correct |
10 ms |
344 KB |
Output is partially correct |
63 |
Partially correct |
14 ms |
344 KB |
Output is partially correct |
64 |
Partially correct |
19 ms |
344 KB |
Output is partially correct |
65 |
Partially correct |
14 ms |
344 KB |
Output is partially correct |
66 |
Partially correct |
17 ms |
344 KB |
Output is partially correct |
67 |
Partially correct |
11 ms |
344 KB |
Output is partially correct |
68 |
Partially correct |
18 ms |
344 KB |
Output is partially correct |
69 |
Partially correct |
18 ms |
596 KB |
Output is partially correct |
70 |
Partially correct |
13 ms |
344 KB |
Output is partially correct |
71 |
Partially correct |
10 ms |
344 KB |
Output is partially correct |
72 |
Partially correct |
16 ms |
344 KB |
Output is partially correct |
73 |
Partially correct |
24 ms |
344 KB |
Output is partially correct |
74 |
Partially correct |
28 ms |
344 KB |
Output is partially correct |
75 |
Partially correct |
13 ms |
344 KB |
Output is partially correct |
76 |
Partially correct |
28 ms |
344 KB |
Output is partially correct |
77 |
Partially correct |
15 ms |
344 KB |
Output is partially correct |
78 |
Partially correct |
19 ms |
344 KB |
Output is partially correct |
79 |
Partially correct |
10 ms |
344 KB |
Output is partially correct |
80 |
Partially correct |
20 ms |
344 KB |
Output is partially correct |
81 |
Partially correct |
34 ms |
344 KB |
Output is partially correct |
82 |
Partially correct |
10 ms |
344 KB |
Output is partially correct |