#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include <bits/stdc++.h>
using namespace std;
#ifndef WAIMAI
#include "longesttrip.h"
#else
#include "grader.cpp"
#endif
#ifdef WAIMAI
#define debug(HEHE...) cout << "[" << #HEHE << "] : ", dout(HEHE)
void dout() {cout << '\n';}
template<typename T, typename...U>
void dout(T t, U...u) {cout << t << (sizeof...(u) ? ", " : ""), dout(u...);}
#else
#define debug(...) 7122
#endif
#define ll long long
#define Waimai ios::sync_with_stdio(false), cin.tie(0)
#define FOR(x,a,b) for (int x = a, I = b; x <= I; x++)
#define pb emplace_back
#define F first
#define S second
bool is(int x, int y) {
return are_connected({x}, {y});
}
vector<int> longest_trip(int n, int D) {
vector<int> A, B;
A.pb(0), B.pb(1);
FOR (i, 2, n - 1) {
if (is(A.back(), i)) {
A.pb(i);
continue;
}
if (is(B.back(), i)) {
B.pb(i);
continue;
}
reverse(B.begin(), B.end());
A.insert(A.end(), B.begin(), B.end());
B.clear();
B.pb(i);
}
if (is(A[0], B[0])) {
reverse(A.begin(), A.end());
A.insert(A.end(), B.begin(), B.end());
return A;
}
if (is(A[0], B.back())) {
B.insert(B.end(), A.begin(), A.end());
return B;
}
if (is(A.back(), B[0])) {
A.insert(A.end(), B.begin(), B.end());
return A;
}
if (is(A.back(), B.back())) {
reverse(B.begin(), B.end());
A.insert(A.end(), B.begin(), B.end());
return A;
}
if (are_connected(A, B) == 0) return A.size() > B.size() ? A : B;
int i = -1, j = -1;
{
int l = 0, r = A.size() - 1;
while (l < r) {
int mid = (l + r) / 2;
vector<int> Al(A.begin() + l, A.begin() + mid + 1);
if (are_connected(Al, B)) r = mid;
else l = mid + 1;
}
i = l;
}
{
int l = 0, r = B.size() - 1;
while (l < r) {
int mid = (l + r) / 2;
vector<int> Bl(B.begin() + l, B.begin() + mid + 1);
if (are_connected({A[i]}, Bl)) r = mid;
else l = mid + 1;
}
j = l;
}
vector<int> ans;
FOR (k, i + 1, A.size() - 1) ans.pb(A[k]);
FOR (k, 0, i) ans.pb(A[k]);
FOR (k, j, B.size() - 1) ans.pb(B[k]);
FOR (k, 0, j - 1) ans.pb(B[k]);
return ans;
}
/*
in1
2
5 1
1
1 1
0 0 1
0 0 0 1
4 1
1
0 0
0 0 1
out1
5
1 0 2 3 4
4
2
0 1
3
4
in2
out2
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
2 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 |
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 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 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 |
6 ms |
344 KB |
Output is correct |
5 |
Correct |
5 ms |
344 KB |
Output is correct |
6 |
Correct |
7 ms |
344 KB |
Output is correct |
7 |
Correct |
6 ms |
344 KB |
Output is correct |
8 |
Correct |
8 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 |
6 ms |
440 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 |
4 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 |
7 ms |
344 KB |
Output is correct |
5 |
Correct |
5 ms |
344 KB |
Output is correct |
6 |
Correct |
8 ms |
344 KB |
Output is correct |
7 |
Correct |
6 ms |
344 KB |
Output is correct |
8 |
Correct |
7 ms |
424 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 |
5 ms |
344 KB |
Output is correct |
13 |
Correct |
6 ms |
340 KB |
Output is correct |
14 |
Correct |
11 ms |
340 KB |
Output is correct |
15 |
Correct |
13 ms |
344 KB |
Output is correct |
16 |
Correct |
10 ms |
344 KB |
Output is correct |
17 |
Correct |
5 ms |
344 KB |
Output is correct |
18 |
Correct |
7 ms |
436 KB |
Output is correct |
19 |
Correct |
6 ms |
344 KB |
Output is correct |
20 |
Correct |
6 ms |
344 KB |
Output is correct |
21 |
Correct |
4 ms |
344 KB |
Output is correct |
22 |
Correct |
6 ms |
344 KB |
Output is correct |
23 |
Correct |
7 ms |
344 KB |
Output is correct |
24 |
Correct |
6 ms |
344 KB |
Output is correct |
25 |
Correct |
11 ms |
344 KB |
Output is correct |
26 |
Correct |
11 ms |
344 KB |
Output is correct |
27 |
Correct |
9 ms |
344 KB |
Output is correct |
28 |
Correct |
11 ms |
344 KB |
Output is correct |
29 |
Correct |
7 ms |
344 KB |
Output is correct |
30 |
Correct |
7 ms |
344 KB |
Output is correct |
31 |
Correct |
10 ms |
344 KB |
Output is correct |
32 |
Correct |
11 ms |
344 KB |
Output is correct |
33 |
Correct |
6 ms |
344 KB |
Output is correct |
34 |
Correct |
5 ms |
344 KB |
Output is correct |
35 |
Correct |
6 ms |
344 KB |
Output is correct |
36 |
Correct |
4 ms |
344 KB |
Output is correct |
37 |
Correct |
5 ms |
344 KB |
Output is correct |
38 |
Correct |
6 ms |
344 KB |
Output is correct |
39 |
Correct |
5 ms |
344 KB |
Output is correct |
40 |
Correct |
10 ms |
440 KB |
Output is correct |
41 |
Correct |
8 ms |
344 KB |
Output is correct |
42 |
Correct |
8 ms |
344 KB |
Output is correct |
43 |
Correct |
8 ms |
344 KB |
Output is correct |
44 |
Correct |
11 ms |
344 KB |
Output is correct |
45 |
Correct |
6 ms |
344 KB |
Output is correct |
46 |
Correct |
6 ms |
344 KB |
Output is correct |
47 |
Correct |
8 ms |
344 KB |
Output is correct |
48 |
Correct |
6 ms |
344 KB |
Output is correct |
49 |
Correct |
8 ms |
344 KB |
Output is correct |
50 |
Correct |
7 ms |
344 KB |
Output is correct |
51 |
Correct |
12 ms |
344 KB |
Output is correct |
52 |
Correct |
10 ms |
344 KB |
Output is correct |
53 |
Correct |
7 ms |
344 KB |
Output is correct |
54 |
Correct |
6 ms |
344 KB |
Output is correct |
55 |
Correct |
10 ms |
344 KB |
Output is correct |
56 |
Correct |
6 ms |
344 KB |
Output is correct |
57 |
Correct |
7 ms |
344 KB |
Output is correct |
58 |
Correct |
9 ms |
344 KB |
Output is correct |
59 |
Correct |
9 ms |
596 KB |
Output is correct |
60 |
Correct |
9 ms |
344 KB |
Output is correct |
61 |
Correct |
8 ms |
344 KB |
Output is correct |
62 |
Correct |
9 ms |
344 KB |
Output is correct |
63 |
Correct |
9 ms |
344 KB |
Output is correct |
64 |
Correct |
8 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
596 KB |
Output is correct |
2 |
Correct |
5 ms |
344 KB |
Output is correct |
3 |
Correct |
6 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 |
7 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 |
5 ms |
344 KB |
Output is correct |
10 |
Correct |
6 ms |
344 KB |
Output is correct |
11 |
Correct |
5 ms |
344 KB |
Output is correct |
12 |
Correct |
5 ms |
436 KB |
Output is correct |
13 |
Correct |
5 ms |
344 KB |
Output is correct |
14 |
Correct |
13 ms |
344 KB |
Output is correct |
15 |
Correct |
10 ms |
344 KB |
Output is correct |
16 |
Correct |
6 ms |
344 KB |
Output is correct |
17 |
Correct |
7 ms |
344 KB |
Output is correct |
18 |
Correct |
7 ms |
436 KB |
Output is correct |
19 |
Correct |
9 ms |
436 KB |
Output is correct |
20 |
Correct |
4 ms |
344 KB |
Output is correct |
21 |
Correct |
13 ms |
416 KB |
Output is correct |
22 |
Correct |
17 ms |
344 KB |
Output is correct |
23 |
Correct |
11 ms |
340 KB |
Output is correct |
24 |
Correct |
8 ms |
344 KB |
Output is correct |
25 |
Correct |
8 ms |
344 KB |
Output is correct |
26 |
Correct |
5 ms |
344 KB |
Output is correct |
27 |
Correct |
7 ms |
340 KB |
Output is correct |
28 |
Correct |
8 ms |
344 KB |
Output is correct |
29 |
Correct |
6 ms |
344 KB |
Output is correct |
30 |
Correct |
8 ms |
596 KB |
Output is correct |
31 |
Correct |
6 ms |
344 KB |
Output is correct |
32 |
Correct |
7 ms |
344 KB |
Output is correct |
33 |
Correct |
9 ms |
344 KB |
Output is correct |
34 |
Correct |
9 ms |
344 KB |
Output is correct |
35 |
Correct |
9 ms |
344 KB |
Output is correct |
36 |
Correct |
7 ms |
344 KB |
Output is correct |
37 |
Correct |
7 ms |
344 KB |
Output is correct |
38 |
Correct |
9 ms |
344 KB |
Output is correct |
39 |
Correct |
9 ms |
344 KB |
Output is correct |
40 |
Correct |
4 ms |
340 KB |
Output is correct |
41 |
Correct |
6 ms |
344 KB |
Output is correct |
42 |
Correct |
7 ms |
344 KB |
Output is correct |
43 |
Correct |
6 ms |
344 KB |
Output is correct |
44 |
Correct |
7 ms |
428 KB |
Output is correct |
45 |
Correct |
8 ms |
344 KB |
Output is correct |
46 |
Correct |
8 ms |
344 KB |
Output is correct |
47 |
Correct |
5 ms |
344 KB |
Output is correct |
48 |
Correct |
10 ms |
344 KB |
Output is correct |
49 |
Correct |
8 ms |
600 KB |
Output is correct |
50 |
Correct |
6 ms |
344 KB |
Output is correct |
51 |
Partially correct |
10 ms |
344 KB |
Output is partially correct |
52 |
Correct |
8 ms |
344 KB |
Output is correct |
53 |
Correct |
8 ms |
344 KB |
Output is correct |
54 |
Correct |
11 ms |
344 KB |
Output is correct |
55 |
Correct |
7 ms |
344 KB |
Output is correct |
56 |
Correct |
4 ms |
344 KB |
Output is correct |
57 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |
58 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |
59 |
Partially correct |
9 ms |
436 KB |
Output is partially correct |
60 |
Correct |
10 ms |
344 KB |
Output is correct |
61 |
Correct |
7 ms |
344 KB |
Output is correct |
62 |
Correct |
9 ms |
344 KB |
Output is correct |
63 |
Partially correct |
10 ms |
344 KB |
Output is partially correct |
64 |
Partially correct |
8 ms |
344 KB |
Output is partially correct |
65 |
Partially correct |
8 ms |
600 KB |
Output is partially correct |
66 |
Partially correct |
8 ms |
436 KB |
Output is partially correct |
67 |
Partially correct |
8 ms |
436 KB |
Output is partially correct |
68 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |
69 |
Partially correct |
8 ms |
344 KB |
Output is partially correct |
70 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |
71 |
Correct |
6 ms |
344 KB |
Output is correct |
72 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |
73 |
Partially correct |
8 ms |
344 KB |
Output is partially correct |
74 |
Partially correct |
8 ms |
344 KB |
Output is partially correct |
75 |
Partially correct |
8 ms |
344 KB |
Output is partially correct |
76 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |
77 |
Correct |
5 ms |
344 KB |
Output is correct |
78 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |
79 |
Correct |
7 ms |
344 KB |
Output is correct |
80 |
Partially correct |
8 ms |
344 KB |
Output is partially correct |
81 |
Partially correct |
9 ms |
344 KB |
Output is partially correct |
82 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |