#include <bits/stdc++.h>
#include <random>
#include "longesttrip.h"
using namespace std;
std::vector<int> longest_trip(int N, int D)
{
vector<int> s1({0}),s2({1});
bool sep = false;
for (int i = 2; i < N; ++i) {
if (are_connected({s1.back()}, {i})) {
s1.push_back(i);
sep = false;
} else if (sep || are_connected({s2.back()}, {i})) {
s2.push_back(i);
sep = true;
} else {
while (!s2.empty()) {
s1.push_back(s2.back());
s2.pop_back();
}
s2.push_back(i);
}
}
// for (auto x : s1) cerr << x << " ";
// cerr << "\n";
// for (auto x : s2) cerr << x << " ";
// cerr << "\n";
if (!are_connected(s1, s2)) {
return s1.size() >= s2.size() ? s1 : s2;
}
if (are_connected(s1,{s2.front()})) {
reverse(s2.begin(),s2.end());
} else {
int lo = 0, hi = s2.size();
while (hi-lo>1) {
int mid = (lo+hi)/2;
vector<int> v;
for (int i = mid; i < hi; ++i) {
v.push_back(s2[i]);
}
if (!are_connected(s1, v)) {
hi = mid;
} else {
lo = mid;
}
}
rotate(s2.begin(),s2.begin()+hi,s2.end());
}
if (are_connected({s1.front()},{s2.back()})) {
reverse(s1.begin(),s1.end());
} else {
int lo = 0, hi = s1.size();
while (hi-lo>1) {
int mid = (lo+hi)/2;
vector<int> v;
for (int i = mid; i < hi; ++i) {
v.push_back(s1[i]);
}
if (!are_connected(v, {s2.back()})) {
hi = mid;
} else {
lo = mid;
}
}
rotate(s1.begin(),s1.begin()+hi,s1.end());
}
// for (auto x : s1) cerr << x << " ";
// cerr << "\n";
// for (auto x : s2) cerr << x << " ";
// cerr << "\n";
while (!s2.empty()) {
s1.push_back(s2.back());
s2.pop_back();
}
return s1;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
2 ms |
300 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
12 ms |
208 KB |
Output is correct |
2 |
Correct |
10 ms |
208 KB |
Output is correct |
3 |
Correct |
10 ms |
208 KB |
Output is correct |
4 |
Correct |
10 ms |
208 KB |
Output is correct |
5 |
Correct |
7 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
208 KB |
Output is correct |
2 |
Correct |
14 ms |
208 KB |
Output is correct |
3 |
Correct |
6 ms |
248 KB |
Output is correct |
4 |
Correct |
4 ms |
208 KB |
Output is correct |
5 |
Correct |
7 ms |
208 KB |
Output is correct |
6 |
Correct |
9 ms |
208 KB |
Output is correct |
7 |
Correct |
13 ms |
208 KB |
Output is correct |
8 |
Correct |
9 ms |
208 KB |
Output is correct |
9 |
Correct |
10 ms |
208 KB |
Output is correct |
10 |
Correct |
10 ms |
208 KB |
Output is correct |
11 |
Correct |
10 ms |
208 KB |
Output is correct |
12 |
Correct |
6 ms |
208 KB |
Output is correct |
13 |
Correct |
9 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
208 KB |
Output is correct |
2 |
Correct |
13 ms |
208 KB |
Output is correct |
3 |
Correct |
11 ms |
208 KB |
Output is correct |
4 |
Correct |
6 ms |
208 KB |
Output is correct |
5 |
Correct |
10 ms |
304 KB |
Output is correct |
6 |
Correct |
18 ms |
208 KB |
Output is correct |
7 |
Correct |
11 ms |
208 KB |
Output is correct |
8 |
Correct |
7 ms |
208 KB |
Output is correct |
9 |
Correct |
11 ms |
208 KB |
Output is correct |
10 |
Correct |
12 ms |
208 KB |
Output is correct |
11 |
Correct |
8 ms |
208 KB |
Output is correct |
12 |
Correct |
8 ms |
208 KB |
Output is correct |
13 |
Correct |
9 ms |
208 KB |
Output is correct |
14 |
Correct |
9 ms |
208 KB |
Output is correct |
15 |
Correct |
9 ms |
208 KB |
Output is correct |
16 |
Correct |
14 ms |
208 KB |
Output is correct |
17 |
Correct |
10 ms |
208 KB |
Output is correct |
18 |
Correct |
5 ms |
208 KB |
Output is correct |
19 |
Correct |
10 ms |
300 KB |
Output is correct |
20 |
Correct |
11 ms |
300 KB |
Output is correct |
21 |
Correct |
9 ms |
208 KB |
Output is correct |
22 |
Correct |
9 ms |
208 KB |
Output is correct |
23 |
Correct |
6 ms |
328 KB |
Output is correct |
24 |
Correct |
8 ms |
208 KB |
Output is correct |
25 |
Correct |
7 ms |
256 KB |
Output is correct |
26 |
Correct |
6 ms |
208 KB |
Output is correct |
27 |
Correct |
12 ms |
208 KB |
Output is correct |
28 |
Correct |
7 ms |
208 KB |
Output is correct |
29 |
Correct |
8 ms |
208 KB |
Output is correct |
30 |
Correct |
9 ms |
208 KB |
Output is correct |
31 |
Correct |
7 ms |
208 KB |
Output is correct |
32 |
Correct |
12 ms |
208 KB |
Output is correct |
33 |
Correct |
7 ms |
208 KB |
Output is correct |
34 |
Correct |
9 ms |
208 KB |
Output is correct |
35 |
Correct |
6 ms |
208 KB |
Output is correct |
36 |
Correct |
9 ms |
208 KB |
Output is correct |
37 |
Correct |
9 ms |
208 KB |
Output is correct |
38 |
Correct |
10 ms |
208 KB |
Output is correct |
39 |
Correct |
8 ms |
208 KB |
Output is correct |
40 |
Correct |
12 ms |
208 KB |
Output is correct |
41 |
Correct |
11 ms |
208 KB |
Output is correct |
42 |
Correct |
9 ms |
336 KB |
Output is correct |
43 |
Correct |
9 ms |
296 KB |
Output is correct |
44 |
Correct |
7 ms |
208 KB |
Output is correct |
45 |
Correct |
9 ms |
208 KB |
Output is correct |
46 |
Correct |
20 ms |
208 KB |
Output is correct |
47 |
Correct |
13 ms |
208 KB |
Output is correct |
48 |
Correct |
14 ms |
208 KB |
Output is correct |
49 |
Correct |
11 ms |
208 KB |
Output is correct |
50 |
Correct |
10 ms |
208 KB |
Output is correct |
51 |
Correct |
14 ms |
208 KB |
Output is correct |
52 |
Correct |
7 ms |
208 KB |
Output is correct |
53 |
Correct |
10 ms |
228 KB |
Output is correct |
54 |
Correct |
10 ms |
208 KB |
Output is correct |
55 |
Correct |
9 ms |
208 KB |
Output is correct |
56 |
Correct |
10 ms |
256 KB |
Output is correct |
57 |
Correct |
11 ms |
208 KB |
Output is correct |
58 |
Correct |
12 ms |
208 KB |
Output is correct |
59 |
Correct |
11 ms |
336 KB |
Output is correct |
60 |
Correct |
7 ms |
292 KB |
Output is correct |
61 |
Correct |
12 ms |
208 KB |
Output is correct |
62 |
Correct |
9 ms |
256 KB |
Output is correct |
63 |
Correct |
12 ms |
208 KB |
Output is correct |
64 |
Correct |
10 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
208 KB |
Output is correct |
2 |
Correct |
12 ms |
208 KB |
Output is correct |
3 |
Correct |
10 ms |
208 KB |
Output is correct |
4 |
Correct |
10 ms |
208 KB |
Output is correct |
5 |
Correct |
7 ms |
208 KB |
Output is correct |
6 |
Correct |
21 ms |
208 KB |
Output is correct |
7 |
Correct |
10 ms |
208 KB |
Output is correct |
8 |
Correct |
13 ms |
208 KB |
Output is correct |
9 |
Correct |
9 ms |
208 KB |
Output is correct |
10 |
Correct |
7 ms |
208 KB |
Output is correct |
11 |
Correct |
7 ms |
208 KB |
Output is correct |
12 |
Correct |
10 ms |
208 KB |
Output is correct |
13 |
Correct |
9 ms |
208 KB |
Output is correct |
14 |
Correct |
9 ms |
208 KB |
Output is correct |
15 |
Correct |
12 ms |
208 KB |
Output is correct |
16 |
Correct |
9 ms |
208 KB |
Output is correct |
17 |
Correct |
12 ms |
208 KB |
Output is correct |
18 |
Correct |
7 ms |
208 KB |
Output is correct |
19 |
Correct |
11 ms |
208 KB |
Output is correct |
20 |
Correct |
7 ms |
208 KB |
Output is correct |
21 |
Correct |
10 ms |
208 KB |
Output is correct |
22 |
Correct |
6 ms |
332 KB |
Output is correct |
23 |
Correct |
11 ms |
208 KB |
Output is correct |
24 |
Correct |
7 ms |
208 KB |
Output is correct |
25 |
Correct |
9 ms |
208 KB |
Output is correct |
26 |
Correct |
8 ms |
208 KB |
Output is correct |
27 |
Correct |
8 ms |
208 KB |
Output is correct |
28 |
Correct |
10 ms |
332 KB |
Output is correct |
29 |
Correct |
9 ms |
208 KB |
Output is correct |
30 |
Correct |
8 ms |
208 KB |
Output is correct |
31 |
Correct |
10 ms |
332 KB |
Output is correct |
32 |
Correct |
11 ms |
208 KB |
Output is correct |
33 |
Correct |
12 ms |
256 KB |
Output is correct |
34 |
Correct |
9 ms |
208 KB |
Output is correct |
35 |
Correct |
13 ms |
208 KB |
Output is correct |
36 |
Correct |
11 ms |
208 KB |
Output is correct |
37 |
Correct |
10 ms |
208 KB |
Output is correct |
38 |
Correct |
12 ms |
208 KB |
Output is correct |
39 |
Correct |
10 ms |
208 KB |
Output is correct |
40 |
Correct |
8 ms |
296 KB |
Output is correct |
41 |
Correct |
11 ms |
208 KB |
Output is correct |
42 |
Correct |
11 ms |
208 KB |
Output is correct |
43 |
Correct |
11 ms |
208 KB |
Output is correct |
44 |
Correct |
7 ms |
208 KB |
Output is correct |
45 |
Correct |
10 ms |
208 KB |
Output is correct |
46 |
Correct |
11 ms |
208 KB |
Output is correct |
47 |
Correct |
9 ms |
208 KB |
Output is correct |
48 |
Correct |
9 ms |
208 KB |
Output is correct |
49 |
Correct |
9 ms |
332 KB |
Output is correct |
50 |
Correct |
11 ms |
296 KB |
Output is correct |
51 |
Correct |
6 ms |
460 KB |
Output is correct |
52 |
Correct |
11 ms |
208 KB |
Output is correct |
53 |
Correct |
7 ms |
208 KB |
Output is correct |
54 |
Correct |
12 ms |
208 KB |
Output is correct |
55 |
Correct |
11 ms |
208 KB |
Output is correct |
56 |
Correct |
9 ms |
208 KB |
Output is correct |
57 |
Correct |
7 ms |
208 KB |
Output is correct |
58 |
Correct |
10 ms |
208 KB |
Output is correct |
59 |
Correct |
7 ms |
208 KB |
Output is correct |
60 |
Correct |
7 ms |
208 KB |
Output is correct |
61 |
Correct |
9 ms |
208 KB |
Output is correct |
62 |
Correct |
8 ms |
208 KB |
Output is correct |
63 |
Correct |
7 ms |
208 KB |
Output is correct |
64 |
Correct |
8 ms |
208 KB |
Output is correct |
65 |
Correct |
11 ms |
208 KB |
Output is correct |
66 |
Correct |
9 ms |
208 KB |
Output is correct |
67 |
Correct |
10 ms |
208 KB |
Output is correct |
68 |
Correct |
10 ms |
208 KB |
Output is correct |
69 |
Correct |
9 ms |
260 KB |
Output is correct |
70 |
Correct |
9 ms |
304 KB |
Output is correct |
71 |
Correct |
10 ms |
208 KB |
Output is correct |
72 |
Correct |
11 ms |
208 KB |
Output is correct |
73 |
Correct |
13 ms |
280 KB |
Output is correct |
74 |
Correct |
12 ms |
208 KB |
Output is correct |
75 |
Correct |
15 ms |
208 KB |
Output is correct |
76 |
Correct |
6 ms |
464 KB |
Output is correct |
77 |
Correct |
7 ms |
208 KB |
Output is correct |
78 |
Correct |
12 ms |
208 KB |
Output is correct |
79 |
Correct |
10 ms |
208 KB |
Output is correct |
80 |
Correct |
10 ms |
284 KB |
Output is correct |
81 |
Correct |
12 ms |
208 KB |
Output is correct |
82 |
Correct |
9 ms |
256 KB |
Output is correct |