#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
int idx[300];
vector <int> longest_trip(int N, int D){
vector <int> a,b;
iota(idx,idx+N,0);
shuffle(idx,idx+N,default_random_engine(chrono::steady_clock::now().time_since_epoch().count()));
a.push_back(idx[0]);
b.push_back(idx[1]);
for (int j=2;j<N;j++){
int i=idx[j];
if (are_connected({a.back()},{i})){
a.push_back(i);
continue;
}
if (are_connected({b.back()},{i})){
b.push_back(i);
continue;
}
reverse(b.begin(),b.end());
for (int i:b)
a.push_back(i);
b={i};
}
if (a.size()<b.size())
swap(a,b);
if (!are_connected(a,b))
return a;
vector <int> x={0,a.size()-1},y={0,b.size()-1};
for (int i:x)
for (int j:y)
if (are_connected({a[i]},{b[j]})){
if (!i)
reverse(a.begin(),a.end());
if (j)
reverse(b.begin(),b.end());
for (int k:b)
a.push_back(k);
return a;
}
int l=0,r=b.size()-1,i=-1;
while (l<=r){
int mid=(l+r)>>1;
vector <int> tmp;
for (int i=0;i<=mid;i++)
tmp.push_back(b[i]);
if (are_connected(a,tmp)){
i=mid;
r=mid-1;
}
else
l=mid+1;
}
l=0,r=a.size()-1;
int j=-1;
while (l<=r){
int mid=(l+r)>>1;
vector <int> tmp;
for (int i=0;i<=mid;i++)
tmp.push_back(a[i]);
if (are_connected(tmp,{b[i]})){
j=mid;
r=mid-1;
}
else
l=mid+1;
}
vector <int> c;
for (int k=(j+1)%a.size();c.size()<a.size();k=(k+1)%a.size())
c.push_back(a[k]);
for (int k=i;c.size()<a.size()+b.size();k=(k+1)%b.size())
c.push_back(b[k]);
return c;
}
Compilation message
longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:30:31: warning: narrowing conversion of '(a.std::vector<int>::size() - 1)' from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing]
30 | vector <int> x={0,a.size()-1},y={0,b.size()-1};
| ~~~~~~~~^~
longesttrip.cpp:30:31: warning: narrowing conversion of '(a.std::vector<int>::size() - 1)' from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing]
longesttrip.cpp:30:48: warning: narrowing conversion of '(b.std::vector<int>::size() - 1)' from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing]
30 | vector <int> x={0,a.size()-1},y={0,b.size()-1};
| ~~~~~~~~^~
longesttrip.cpp:30:48: warning: narrowing conversion of '(b.std::vector<int>::size() - 1)' from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing]
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
600 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
344 KB |
Output is correct |
2 |
Correct |
5 ms |
344 KB |
Output is correct |
3 |
Correct |
4 ms |
344 KB |
Output is correct |
4 |
Correct |
4 ms |
344 KB |
Output is correct |
5 |
Correct |
4 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
344 KB |
Output is correct |
2 |
Correct |
6 ms |
344 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 |
600 KB |
Output is correct |
6 |
Correct |
9 ms |
344 KB |
Output is correct |
7 |
Correct |
6 ms |
344 KB |
Output is correct |
8 |
Correct |
5 ms |
344 KB |
Output is correct |
9 |
Correct |
4 ms |
600 KB |
Output is correct |
10 |
Correct |
4 ms |
344 KB |
Output is correct |
11 |
Correct |
4 ms |
600 KB |
Output is correct |
12 |
Correct |
4 ms |
344 KB |
Output is correct |
13 |
Correct |
4 ms |
608 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
344 KB |
Output is correct |
2 |
Correct |
5 ms |
344 KB |
Output is correct |
3 |
Correct |
4 ms |
344 KB |
Output is correct |
4 |
Correct |
5 ms |
356 KB |
Output is correct |
5 |
Correct |
5 ms |
608 KB |
Output is correct |
6 |
Correct |
10 ms |
344 KB |
Output is correct |
7 |
Correct |
5 ms |
344 KB |
Output is correct |
8 |
Correct |
4 ms |
344 KB |
Output is correct |
9 |
Correct |
4 ms |
600 KB |
Output is correct |
10 |
Correct |
5 ms |
600 KB |
Output is correct |
11 |
Correct |
4 ms |
344 KB |
Output is correct |
12 |
Correct |
4 ms |
600 KB |
Output is correct |
13 |
Correct |
5 ms |
344 KB |
Output is correct |
14 |
Correct |
6 ms |
344 KB |
Output is correct |
15 |
Correct |
8 ms |
344 KB |
Output is correct |
16 |
Correct |
6 ms |
344 KB |
Output is correct |
17 |
Correct |
6 ms |
344 KB |
Output is correct |
18 |
Correct |
7 ms |
344 KB |
Output is correct |
19 |
Correct |
6 ms |
600 KB |
Output is correct |
20 |
Correct |
5 ms |
600 KB |
Output is correct |
21 |
Correct |
5 ms |
344 KB |
Output is correct |
22 |
Correct |
5 ms |
444 KB |
Output is correct |
23 |
Correct |
4 ms |
344 KB |
Output is correct |
24 |
Correct |
5 ms |
344 KB |
Output is correct |
25 |
Correct |
5 ms |
344 KB |
Output is correct |
26 |
Correct |
8 ms |
344 KB |
Output is correct |
27 |
Correct |
5 ms |
344 KB |
Output is correct |
28 |
Correct |
6 ms |
344 KB |
Output is correct |
29 |
Correct |
5 ms |
344 KB |
Output is correct |
30 |
Correct |
4 ms |
344 KB |
Output is correct |
31 |
Correct |
6 ms |
344 KB |
Output is correct |
32 |
Correct |
6 ms |
344 KB |
Output is correct |
33 |
Correct |
4 ms |
344 KB |
Output is correct |
34 |
Correct |
5 ms |
344 KB |
Output is correct |
35 |
Correct |
5 ms |
344 KB |
Output is correct |
36 |
Correct |
5 ms |
600 KB |
Output is correct |
37 |
Correct |
4 ms |
344 KB |
Output is correct |
38 |
Correct |
5 ms |
344 KB |
Output is correct |
39 |
Correct |
6 ms |
344 KB |
Output is correct |
40 |
Correct |
6 ms |
344 KB |
Output is correct |
41 |
Correct |
7 ms |
344 KB |
Output is correct |
42 |
Correct |
7 ms |
600 KB |
Output is correct |
43 |
Correct |
7 ms |
344 KB |
Output is correct |
44 |
Correct |
6 ms |
608 KB |
Output is correct |
45 |
Correct |
8 ms |
344 KB |
Output is correct |
46 |
Correct |
10 ms |
344 KB |
Output is correct |
47 |
Correct |
7 ms |
344 KB |
Output is correct |
48 |
Correct |
7 ms |
344 KB |
Output is correct |
49 |
Correct |
8 ms |
344 KB |
Output is correct |
50 |
Correct |
5 ms |
436 KB |
Output is correct |
51 |
Correct |
7 ms |
440 KB |
Output is correct |
52 |
Correct |
7 ms |
344 KB |
Output is correct |
53 |
Correct |
6 ms |
856 KB |
Output is correct |
54 |
Correct |
5 ms |
340 KB |
Output is correct |
55 |
Correct |
6 ms |
344 KB |
Output is correct |
56 |
Correct |
5 ms |
436 KB |
Output is correct |
57 |
Correct |
5 ms |
436 KB |
Output is correct |
58 |
Correct |
7 ms |
600 KB |
Output is correct |
59 |
Correct |
6 ms |
860 KB |
Output is correct |
60 |
Correct |
9 ms |
604 KB |
Output is correct |
61 |
Correct |
7 ms |
600 KB |
Output is correct |
62 |
Correct |
8 ms |
600 KB |
Output is correct |
63 |
Correct |
7 ms |
600 KB |
Output is correct |
64 |
Correct |
7 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
344 KB |
Output is correct |
2 |
Correct |
5 ms |
348 KB |
Output is correct |
3 |
Correct |
4 ms |
344 KB |
Output is correct |
4 |
Correct |
4 ms |
344 KB |
Output is correct |
5 |
Correct |
4 ms |
340 KB |
Output is correct |
6 |
Correct |
8 ms |
344 KB |
Output is correct |
7 |
Correct |
5 ms |
344 KB |
Output is correct |
8 |
Correct |
4 ms |
344 KB |
Output is correct |
9 |
Correct |
4 ms |
344 KB |
Output is correct |
10 |
Correct |
4 ms |
608 KB |
Output is correct |
11 |
Correct |
4 ms |
596 KB |
Output is correct |
12 |
Correct |
4 ms |
344 KB |
Output is correct |
13 |
Correct |
4 ms |
344 KB |
Output is correct |
14 |
Correct |
7 ms |
344 KB |
Output is correct |
15 |
Correct |
7 ms |
344 KB |
Output is correct |
16 |
Correct |
7 ms |
344 KB |
Output is correct |
17 |
Correct |
6 ms |
344 KB |
Output is correct |
18 |
Correct |
6 ms |
344 KB |
Output is correct |
19 |
Correct |
5 ms |
600 KB |
Output is correct |
20 |
Correct |
5 ms |
344 KB |
Output is correct |
21 |
Correct |
6 ms |
344 KB |
Output is correct |
22 |
Correct |
8 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 |
7 ms |
596 KB |
Output is correct |
26 |
Correct |
5 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 |
4 ms |
344 KB |
Output is correct |
30 |
Correct |
5 ms |
344 KB |
Output is correct |
31 |
Correct |
4 ms |
596 KB |
Output is correct |
32 |
Correct |
8 ms |
344 KB |
Output is correct |
33 |
Correct |
8 ms |
344 KB |
Output is correct |
34 |
Correct |
9 ms |
344 KB |
Output is correct |
35 |
Correct |
8 ms |
344 KB |
Output is correct |
36 |
Correct |
8 ms |
344 KB |
Output is correct |
37 |
Correct |
5 ms |
684 KB |
Output is correct |
38 |
Correct |
7 ms |
436 KB |
Output is correct |
39 |
Correct |
7 ms |
344 KB |
Output is correct |
40 |
Correct |
5 ms |
344 KB |
Output is correct |
41 |
Correct |
6 ms |
344 KB |
Output is correct |
42 |
Correct |
6 ms |
344 KB |
Output is correct |
43 |
Correct |
5 ms |
608 KB |
Output is correct |
44 |
Correct |
6 ms |
344 KB |
Output is correct |
45 |
Correct |
5 ms |
604 KB |
Output is correct |
46 |
Correct |
5 ms |
436 KB |
Output is correct |
47 |
Correct |
5 ms |
608 KB |
Output is correct |
48 |
Correct |
4 ms |
432 KB |
Output is correct |
49 |
Partially correct |
6 ms |
600 KB |
Output is partially correct |
50 |
Partially correct |
7 ms |
344 KB |
Output is partially correct |
51 |
Partially correct |
6 ms |
344 KB |
Output is partially correct |
52 |
Correct |
7 ms |
600 KB |
Output is correct |
53 |
Correct |
6 ms |
344 KB |
Output is correct |
54 |
Correct |
6 ms |
344 KB |
Output is correct |
55 |
Correct |
6 ms |
440 KB |
Output is correct |
56 |
Partially correct |
6 ms |
344 KB |
Output is partially correct |
57 |
Partially correct |
6 ms |
540 KB |
Output is partially correct |
58 |
Partially correct |
7 ms |
600 KB |
Output is partially correct |
59 |
Partially correct |
6 ms |
344 KB |
Output is partially correct |
60 |
Correct |
7 ms |
436 KB |
Output is correct |
61 |
Correct |
7 ms |
436 KB |
Output is correct |
62 |
Correct |
5 ms |
696 KB |
Output is correct |
63 |
Correct |
5 ms |
436 KB |
Output is correct |
64 |
Correct |
6 ms |
696 KB |
Output is correct |
65 |
Correct |
8 ms |
608 KB |
Output is correct |
66 |
Partially correct |
7 ms |
604 KB |
Output is partially correct |
67 |
Partially correct |
7 ms |
856 KB |
Output is partially correct |
68 |
Partially correct |
7 ms |
600 KB |
Output is partially correct |
69 |
Partially correct |
7 ms |
600 KB |
Output is partially correct |
70 |
Partially correct |
7 ms |
604 KB |
Output is partially correct |
71 |
Correct |
6 ms |
604 KB |
Output is correct |
72 |
Correct |
6 ms |
604 KB |
Output is correct |
73 |
Partially correct |
6 ms |
608 KB |
Output is partially correct |
74 |
Partially correct |
7 ms |
600 KB |
Output is partially correct |
75 |
Partially correct |
7 ms |
600 KB |
Output is partially correct |
76 |
Partially correct |
9 ms |
688 KB |
Output is partially correct |
77 |
Correct |
6 ms |
604 KB |
Output is correct |
78 |
Correct |
6 ms |
860 KB |
Output is correct |
79 |
Partially correct |
8 ms |
448 KB |
Output is partially correct |
80 |
Partially correct |
8 ms |
600 KB |
Output is partially correct |
81 |
Partially correct |
7 ms |
600 KB |
Output is partially correct |
82 |
Partially correct |
7 ms |
600 KB |
Output is partially correct |