#include "longesttrip.h"
#include<bits/stdc++.h>
using namespace std;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
vector<int>longest_trip(int n, int d) {
vector<int>A, B;
A.pb(0);
for(int i=1; i<n; ++i) {
vector<int>X, Y;
X.pb(A.back());
Y.pb(i);
if(are_connected(X, Y)) A.pb(i);
else B.pb(i);
X.clear();
Y.clear();
if(B.size()>0) {
X.pb(A.back());
Y.pb(B.back());
if(are_connected(X, Y)) while(B.size()>0) {
A.pb(B.back());
B.pop_back();
}
}
}
if(B.size()>A.size()) swap(A, B);
if(B.size()==0) return A;
vector<int>X, Y;
X.pb(A[0]);
Y.pb(B[0]);
if(are_connected(X, Y)) {
reverse(all(A));
for(auto i : B) A.pb(i);
return A;
}
Y.clear();
Y.pb(B.back());
if(are_connected(X, Y)) {
for(auto i : A) B.pb(i);
return B;
}
X.clear();
Y.clear();
X.pb(A.back());
Y.pb(B[0]);
if(are_connected(X, Y)) {
for(auto i : B) A.pb(i);
return A;
}
if(!are_connected(A, B)) return A;
int po=0, ko=A.size()-1;
while(po<ko) {
int sr=(po+ko)/2;
vector<int>tmp;
rep(i, sr+1) tmp.pb(A[i]);
if(are_connected(tmp, B)) ko=sr; else po=sr+1;
}
X.clear();
X.pb(A[po]);
int po2=0, ko2=B.size()-1;
while(po2<ko2) {
int sr=(po2+ko2)/2;
vector<int>tmp;
rep(i, sr+1) tmp.pb(B[i]);
if(are_connected(X, tmp)) ko2=sr; else po2=sr+1;
}
vector<int>ans;
rep(i, A.size()) ans.pb(A[(i+po+1)%A.size()]);
rep(i, B.size()) ans.pb(B[(i+po2)%B.size()]);
return ans;
}
Compilation message
longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:4:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
4 | #define rep(a, b) for(int a = 0; a < (b); ++a)
| ^
longesttrip.cpp:71:3: note: in expansion of macro 'rep'
71 | rep(i, A.size()) ans.pb(A[(i+po+1)%A.size()]);
| ^~~
longesttrip.cpp:4:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
4 | #define rep(a, b) for(int a = 0; a < (b); ++a)
| ^
longesttrip.cpp:72:3: note: in expansion of macro 'rep'
72 | rep(i, B.size()) ans.pb(B[(i+po2)%B.size()]);
| ^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
208 KB |
Output is correct |
| 2 |
Correct |
3 ms |
296 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
208 KB |
Output is correct |
| 2 |
Correct |
7 ms |
208 KB |
Output is correct |
| 3 |
Correct |
10 ms |
208 KB |
Output is correct |
| 4 |
Correct |
9 ms |
208 KB |
Output is correct |
| 5 |
Correct |
6 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
208 KB |
Output is correct |
| 2 |
Correct |
7 ms |
208 KB |
Output is correct |
| 3 |
Correct |
9 ms |
208 KB |
Output is correct |
| 4 |
Correct |
7 ms |
208 KB |
Output is correct |
| 5 |
Correct |
7 ms |
296 KB |
Output is correct |
| 6 |
Correct |
12 ms |
208 KB |
Output is correct |
| 7 |
Correct |
11 ms |
208 KB |
Output is correct |
| 8 |
Correct |
6 ms |
208 KB |
Output is correct |
| 9 |
Correct |
10 ms |
208 KB |
Output is correct |
| 10 |
Correct |
8 ms |
300 KB |
Output is correct |
| 11 |
Correct |
8 ms |
300 KB |
Output is correct |
| 12 |
Correct |
5 ms |
208 KB |
Output is correct |
| 13 |
Correct |
8 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
208 KB |
Output is correct |
| 2 |
Correct |
8 ms |
208 KB |
Output is correct |
| 3 |
Correct |
8 ms |
208 KB |
Output is correct |
| 4 |
Correct |
6 ms |
208 KB |
Output is correct |
| 5 |
Correct |
5 ms |
304 KB |
Output is correct |
| 6 |
Correct |
13 ms |
208 KB |
Output is correct |
| 7 |
Correct |
8 ms |
208 KB |
Output is correct |
| 8 |
Correct |
9 ms |
208 KB |
Output is correct |
| 9 |
Correct |
7 ms |
208 KB |
Output is correct |
| 10 |
Correct |
9 ms |
208 KB |
Output is correct |
| 11 |
Correct |
10 ms |
300 KB |
Output is correct |
| 12 |
Correct |
11 ms |
300 KB |
Output is correct |
| 13 |
Correct |
10 ms |
300 KB |
Output is correct |
| 14 |
Correct |
26 ms |
208 KB |
Output is correct |
| 15 |
Correct |
21 ms |
208 KB |
Output is correct |
| 16 |
Correct |
9 ms |
208 KB |
Output is correct |
| 17 |
Correct |
10 ms |
208 KB |
Output is correct |
| 18 |
Correct |
14 ms |
208 KB |
Output is correct |
| 19 |
Correct |
13 ms |
208 KB |
Output is correct |
| 20 |
Correct |
10 ms |
208 KB |
Output is correct |
| 21 |
Correct |
12 ms |
208 KB |
Output is correct |
| 22 |
Correct |
12 ms |
304 KB |
Output is correct |
| 23 |
Correct |
10 ms |
296 KB |
Output is correct |
| 24 |
Correct |
8 ms |
208 KB |
Output is correct |
| 25 |
Correct |
23 ms |
208 KB |
Output is correct |
| 26 |
Correct |
25 ms |
208 KB |
Output is correct |
| 27 |
Correct |
11 ms |
208 KB |
Output is correct |
| 28 |
Correct |
14 ms |
208 KB |
Output is correct |
| 29 |
Correct |
14 ms |
208 KB |
Output is correct |
| 30 |
Correct |
15 ms |
208 KB |
Output is correct |
| 31 |
Correct |
11 ms |
208 KB |
Output is correct |
| 32 |
Correct |
19 ms |
208 KB |
Output is correct |
| 33 |
Correct |
17 ms |
208 KB |
Output is correct |
| 34 |
Correct |
12 ms |
208 KB |
Output is correct |
| 35 |
Correct |
17 ms |
208 KB |
Output is correct |
| 36 |
Correct |
11 ms |
208 KB |
Output is correct |
| 37 |
Correct |
16 ms |
208 KB |
Output is correct |
| 38 |
Correct |
14 ms |
208 KB |
Output is correct |
| 39 |
Correct |
19 ms |
296 KB |
Output is correct |
| 40 |
Correct |
19 ms |
208 KB |
Output is correct |
| 41 |
Correct |
15 ms |
208 KB |
Output is correct |
| 42 |
Correct |
11 ms |
208 KB |
Output is correct |
| 43 |
Correct |
18 ms |
300 KB |
Output is correct |
| 44 |
Correct |
12 ms |
208 KB |
Output is correct |
| 45 |
Correct |
14 ms |
208 KB |
Output is correct |
| 46 |
Correct |
9 ms |
208 KB |
Output is correct |
| 47 |
Correct |
12 ms |
208 KB |
Output is correct |
| 48 |
Correct |
15 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 |
15 ms |
208 KB |
Output is correct |
| 52 |
Correct |
11 ms |
208 KB |
Output is correct |
| 53 |
Correct |
14 ms |
208 KB |
Output is correct |
| 54 |
Correct |
13 ms |
300 KB |
Output is correct |
| 55 |
Correct |
21 ms |
208 KB |
Output is correct |
| 56 |
Correct |
12 ms |
288 KB |
Output is correct |
| 57 |
Correct |
12 ms |
208 KB |
Output is correct |
| 58 |
Correct |
10 ms |
308 KB |
Output is correct |
| 59 |
Correct |
20 ms |
208 KB |
Output is correct |
| 60 |
Correct |
19 ms |
288 KB |
Output is correct |
| 61 |
Correct |
18 ms |
296 KB |
Output is correct |
| 62 |
Correct |
14 ms |
208 KB |
Output is correct |
| 63 |
Correct |
17 ms |
296 KB |
Output is correct |
| 64 |
Correct |
16 ms |
288 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
208 KB |
Output is correct |
| 2 |
Correct |
9 ms |
208 KB |
Output is correct |
| 3 |
Correct |
10 ms |
208 KB |
Output is correct |
| 4 |
Correct |
7 ms |
208 KB |
Output is correct |
| 5 |
Correct |
6 ms |
208 KB |
Output is correct |
| 6 |
Correct |
7 ms |
208 KB |
Output is correct |
| 7 |
Correct |
8 ms |
208 KB |
Output is correct |
| 8 |
Correct |
10 ms |
208 KB |
Output is correct |
| 9 |
Correct |
9 ms |
208 KB |
Output is correct |
| 10 |
Correct |
8 ms |
208 KB |
Output is correct |
| 11 |
Correct |
6 ms |
296 KB |
Output is correct |
| 12 |
Correct |
8 ms |
208 KB |
Output is correct |
| 13 |
Correct |
7 ms |
208 KB |
Output is correct |
| 14 |
Correct |
28 ms |
208 KB |
Output is correct |
| 15 |
Correct |
21 ms |
208 KB |
Output is correct |
| 16 |
Correct |
11 ms |
208 KB |
Output is correct |
| 17 |
Correct |
12 ms |
208 KB |
Output is correct |
| 18 |
Correct |
14 ms |
208 KB |
Output is correct |
| 19 |
Correct |
6 ms |
256 KB |
Output is correct |
| 20 |
Correct |
14 ms |
208 KB |
Output is correct |
| 21 |
Correct |
11 ms |
208 KB |
Output is correct |
| 22 |
Correct |
19 ms |
208 KB |
Output is correct |
| 23 |
Correct |
15 ms |
208 KB |
Output is correct |
| 24 |
Correct |
14 ms |
208 KB |
Output is correct |
| 25 |
Correct |
13 ms |
208 KB |
Output is correct |
| 26 |
Correct |
10 ms |
208 KB |
Output is correct |
| 27 |
Correct |
11 ms |
208 KB |
Output is correct |
| 28 |
Correct |
13 ms |
208 KB |
Output is correct |
| 29 |
Correct |
12 ms |
208 KB |
Output is correct |
| 30 |
Correct |
11 ms |
208 KB |
Output is correct |
| 31 |
Correct |
13 ms |
208 KB |
Output is correct |
| 32 |
Correct |
10 ms |
208 KB |
Output is correct |
| 33 |
Correct |
15 ms |
208 KB |
Output is correct |
| 34 |
Correct |
10 ms |
208 KB |
Output is correct |
| 35 |
Correct |
15 ms |
208 KB |
Output is correct |
| 36 |
Correct |
14 ms |
208 KB |
Output is correct |
| 37 |
Correct |
13 ms |
208 KB |
Output is correct |
| 38 |
Correct |
14 ms |
208 KB |
Output is correct |
| 39 |
Correct |
11 ms |
208 KB |
Output is correct |
| 40 |
Correct |
11 ms |
208 KB |
Output is correct |
| 41 |
Correct |
11 ms |
208 KB |
Output is correct |
| 42 |
Correct |
13 ms |
208 KB |
Output is correct |
| 43 |
Correct |
8 ms |
208 KB |
Output is correct |
| 44 |
Correct |
7 ms |
208 KB |
Output is correct |
| 45 |
Correct |
12 ms |
300 KB |
Output is correct |
| 46 |
Correct |
12 ms |
208 KB |
Output is correct |
| 47 |
Partially correct |
14 ms |
304 KB |
Output is partially correct |
| 48 |
Partially correct |
18 ms |
208 KB |
Output is partially correct |
| 49 |
Partially correct |
11 ms |
296 KB |
Output is partially correct |
| 50 |
Partially correct |
18 ms |
296 KB |
Output is partially correct |
| 51 |
Partially correct |
18 ms |
208 KB |
Output is partially correct |
| 52 |
Partially correct |
11 ms |
208 KB |
Output is partially correct |
| 53 |
Partially correct |
18 ms |
208 KB |
Output is partially correct |
| 54 |
Partially correct |
18 ms |
296 KB |
Output is partially correct |
| 55 |
Partially correct |
13 ms |
208 KB |
Output is partially correct |
| 56 |
Partially correct |
11 ms |
208 KB |
Output is partially correct |
| 57 |
Partially correct |
17 ms |
208 KB |
Output is partially correct |
| 58 |
Partially correct |
17 ms |
208 KB |
Output is partially correct |
| 59 |
Partially correct |
9 ms |
336 KB |
Output is partially correct |
| 60 |
Partially correct |
14 ms |
300 KB |
Output is partially correct |
| 61 |
Partially correct |
19 ms |
208 KB |
Output is partially correct |
| 62 |
Correct |
13 ms |
208 KB |
Output is correct |
| 63 |
Partially correct |
13 ms |
300 KB |
Output is partially correct |
| 64 |
Partially correct |
15 ms |
312 KB |
Output is partially correct |
| 65 |
Partially correct |
18 ms |
304 KB |
Output is partially correct |
| 66 |
Partially correct |
18 ms |
208 KB |
Output is partially correct |
| 67 |
Partially correct |
13 ms |
208 KB |
Output is partially correct |
| 68 |
Partially correct |
15 ms |
208 KB |
Output is partially correct |
| 69 |
Partially correct |
10 ms |
308 KB |
Output is partially correct |
| 70 |
Partially correct |
15 ms |
208 KB |
Output is partially correct |
| 71 |
Partially correct |
12 ms |
208 KB |
Output is partially correct |
| 72 |
Partially correct |
14 ms |
208 KB |
Output is partially correct |
| 73 |
Partially correct |
13 ms |
304 KB |
Output is partially correct |
| 74 |
Partially correct |
17 ms |
296 KB |
Output is partially correct |
| 75 |
Partially correct |
15 ms |
208 KB |
Output is partially correct |
| 76 |
Partially correct |
16 ms |
208 KB |
Output is partially correct |
| 77 |
Partially correct |
12 ms |
304 KB |
Output is partially correct |
| 78 |
Partially correct |
14 ms |
300 KB |
Output is partially correct |
| 79 |
Partially correct |
19 ms |
304 KB |
Output is partially correct |
| 80 |
Partially correct |
19 ms |
300 KB |
Output is partially correct |
| 81 |
Partially correct |
19 ms |
208 KB |
Output is partially correct |
| 82 |
Partially correct |
19 ms |
296 KB |
Output is partially correct |
