#include "longesttrip.h"
#include<bits/stdc++.h>
using namespace std;
#define eb emplace_back
#define sz(x) (int)(x).size()
#define ask are_connected
std::vector<int> longest_trip(int N, int D)
{
vector<int> v1,v2;
v1.eb(0), v2.eb(1);
int cur=1;
for(int i=2;i<N;++i){
if(ask({v1.back()},{i})) v1.eb(i), cur=i;
else if(cur!=i-1||ask({v2.back()},{i})) v2.eb(i);
else{
while(sz(v2)) v1.eb(v2.back()), v2.pop_back();
v2.eb(i);
cur=i;
}
}
if(!ask(v1,v2)) return sz(v1)>sz(v2)?v1:v2;
if(ask({v1.back()},{v2.back()})){
for(int i=sz(v2)-1;i>=0;--i) v1.eb(v2[i]);
return v1;
}
if(ask({v1.front()},{v2.back()})){
for(auto &e:v1) v2.eb(e);
return v2;
}
if(ask({v1.back()},{v2.front()})){
for(auto &e:v2) v1.eb(e);
return v1;
}
int p1,p2;
vector<int> tmp;
{
int l=0,r=sz(v1)-1;
while(l<r){
int mid=l+r>>1;
tmp.clear();
for(int i=0;i<=mid;++i) tmp.eb(v1[i]);
if(ask(tmp,v2)) r=mid;
else l=mid+1;
}
p1=l;
}{
int l=0,r=sz(v2)-1;
while(l<r){
int mid=l+r>>1;
tmp.clear();
for(int i=0;i<=mid;++i) tmp.eb(v2[i]);
if(ask(tmp,{v1[p1]})) r=mid;
else l=mid+1;
}
p2=l;
}
tmp.clear();
for(int i=p1+1;i<sz(v1);++i) tmp.eb(v1[i]);
for(int i=0;i<=p1;++i) tmp.eb(v1[i]);
for(int i=p2;i<sz(v2);++i) tmp.eb(v2[i]);
for(int i=0;i<p2;++i) tmp.eb(v2[i]);
return tmp;
}
/*
2
5 1
1
1 1
0 0 1
0 0 0 1
4 1
1
0 0
0 0 1
*/
Compilation message
longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:41:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
41 | int mid=l+r>>1;
| ~^~
longesttrip.cpp:51:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
51 | int mid=l+r>>1;
| ~^~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
596 KB |
Output is correct |
2 |
Correct |
1 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 |
5 ms |
344 KB |
Output is correct |
5 |
Correct |
5 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 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 |
4 ms |
600 KB |
Output is correct |
6 |
Correct |
8 ms |
344 KB |
Output is correct |
7 |
Correct |
5 ms |
344 KB |
Output is correct |
8 |
Correct |
5 ms |
344 KB |
Output is correct |
9 |
Correct |
5 ms |
436 KB |
Output is correct |
10 |
Correct |
5 ms |
600 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 |
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 |
6 ms |
344 KB |
Output is correct |
5 |
Correct |
5 ms |
344 KB |
Output is correct |
6 |
Correct |
8 ms |
340 KB |
Output is correct |
7 |
Correct |
6 ms |
344 KB |
Output is correct |
8 |
Correct |
5 ms |
344 KB |
Output is correct |
9 |
Correct |
5 ms |
600 KB |
Output is correct |
10 |
Correct |
4 ms |
344 KB |
Output is correct |
11 |
Correct |
5 ms |
344 KB |
Output is correct |
12 |
Correct |
6 ms |
344 KB |
Output is correct |
13 |
Correct |
5 ms |
344 KB |
Output is correct |
14 |
Correct |
6 ms |
344 KB |
Output is correct |
15 |
Correct |
6 ms |
344 KB |
Output is correct |
16 |
Correct |
9 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 |
5 ms |
436 KB |
Output is correct |
20 |
Correct |
6 ms |
344 KB |
Output is correct |
21 |
Correct |
6 ms |
344 KB |
Output is correct |
22 |
Correct |
6 ms |
432 KB |
Output is correct |
23 |
Correct |
5 ms |
600 KB |
Output is correct |
24 |
Correct |
6 ms |
440 KB |
Output is correct |
25 |
Correct |
7 ms |
344 KB |
Output is correct |
26 |
Correct |
7 ms |
344 KB |
Output is correct |
27 |
Correct |
5 ms |
344 KB |
Output is correct |
28 |
Correct |
6 ms |
340 KB |
Output is correct |
29 |
Correct |
5 ms |
344 KB |
Output is correct |
30 |
Correct |
5 ms |
344 KB |
Output is correct |
31 |
Correct |
5 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 |
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 |
6 ms |
852 KB |
Output is correct |
40 |
Correct |
6 ms |
344 KB |
Output is correct |
41 |
Correct |
5 ms |
344 KB |
Output is correct |
42 |
Correct |
5 ms |
344 KB |
Output is correct |
43 |
Correct |
6 ms |
344 KB |
Output is correct |
44 |
Correct |
5 ms |
344 KB |
Output is correct |
45 |
Correct |
9 ms |
344 KB |
Output is correct |
46 |
Correct |
9 ms |
344 KB |
Output is correct |
47 |
Correct |
11 ms |
344 KB |
Output is correct |
48 |
Correct |
9 ms |
344 KB |
Output is correct |
49 |
Correct |
11 ms |
344 KB |
Output is correct |
50 |
Correct |
6 ms |
436 KB |
Output is correct |
51 |
Correct |
9 ms |
440 KB |
Output is correct |
52 |
Correct |
7 ms |
344 KB |
Output is correct |
53 |
Correct |
6 ms |
600 KB |
Output is correct |
54 |
Correct |
6 ms |
600 KB |
Output is correct |
55 |
Correct |
6 ms |
600 KB |
Output is correct |
56 |
Correct |
5 ms |
440 KB |
Output is correct |
57 |
Correct |
5 ms |
444 KB |
Output is correct |
58 |
Correct |
7 ms |
440 KB |
Output is correct |
59 |
Correct |
7 ms |
696 KB |
Output is correct |
60 |
Correct |
7 ms |
440 KB |
Output is correct |
61 |
Correct |
6 ms |
440 KB |
Output is correct |
62 |
Correct |
8 ms |
436 KB |
Output is correct |
63 |
Correct |
7 ms |
600 KB |
Output is correct |
64 |
Correct |
6 ms |
692 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
344 KB |
Output is correct |
2 |
Correct |
6 ms |
344 KB |
Output is correct |
3 |
Correct |
4 ms |
596 KB |
Output is correct |
4 |
Correct |
5 ms |
344 KB |
Output is correct |
5 |
Correct |
5 ms |
344 KB |
Output is correct |
6 |
Correct |
10 ms |
344 KB |
Output is correct |
7 |
Correct |
8 ms |
344 KB |
Output is correct |
8 |
Correct |
5 ms |
344 KB |
Output is correct |
9 |
Correct |
5 ms |
600 KB |
Output is correct |
10 |
Correct |
5 ms |
600 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 |
600 KB |
Output is correct |
14 |
Correct |
6 ms |
344 KB |
Output is correct |
15 |
Correct |
7 ms |
344 KB |
Output is correct |
16 |
Correct |
10 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 |
7 ms |
440 KB |
Output is correct |
20 |
Correct |
8 ms |
600 KB |
Output is correct |
21 |
Correct |
6 ms |
344 KB |
Output is correct |
22 |
Correct |
7 ms |
344 KB |
Output is correct |
23 |
Correct |
6 ms |
344 KB |
Output is correct |
24 |
Correct |
5 ms |
344 KB |
Output is correct |
25 |
Correct |
6 ms |
344 KB |
Output is correct |
26 |
Correct |
5 ms |
344 KB |
Output is correct |
27 |
Correct |
7 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 |
5 ms |
344 KB |
Output is correct |
31 |
Correct |
6 ms |
344 KB |
Output is correct |
32 |
Correct |
9 ms |
348 KB |
Output is correct |
33 |
Correct |
11 ms |
344 KB |
Output is correct |
34 |
Correct |
7 ms |
344 KB |
Output is correct |
35 |
Correct |
7 ms |
344 KB |
Output is correct |
36 |
Correct |
8 ms |
344 KB |
Output is correct |
37 |
Correct |
6 ms |
432 KB |
Output is correct |
38 |
Correct |
8 ms |
452 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 |
344 KB |
Output is correct |
44 |
Correct |
5 ms |
344 KB |
Output is correct |
45 |
Correct |
5 ms |
604 KB |
Output is correct |
46 |
Correct |
7 ms |
436 KB |
Output is correct |
47 |
Correct |
4 ms |
600 KB |
Output is correct |
48 |
Correct |
5 ms |
344 KB |
Output is correct |
49 |
Correct |
6 ms |
600 KB |
Output is correct |
50 |
Correct |
6 ms |
600 KB |
Output is correct |
51 |
Correct |
7 ms |
344 KB |
Output is correct |
52 |
Correct |
6 ms |
344 KB |
Output is correct |
53 |
Correct |
6 ms |
344 KB |
Output is correct |
54 |
Correct |
7 ms |
344 KB |
Output is correct |
55 |
Correct |
5 ms |
600 KB |
Output is correct |
56 |
Correct |
5 ms |
600 KB |
Output is correct |
57 |
Correct |
5 ms |
344 KB |
Output is correct |
58 |
Correct |
5 ms |
596 KB |
Output is correct |
59 |
Correct |
5 ms |
600 KB |
Output is correct |
60 |
Correct |
7 ms |
344 KB |
Output is correct |
61 |
Correct |
6 ms |
600 KB |
Output is correct |
62 |
Correct |
5 ms |
604 KB |
Output is correct |
63 |
Correct |
5 ms |
444 KB |
Output is correct |
64 |
Correct |
7 ms |
604 KB |
Output is correct |
65 |
Correct |
7 ms |
860 KB |
Output is correct |
66 |
Correct |
9 ms |
856 KB |
Output is correct |
67 |
Correct |
7 ms |
600 KB |
Output is correct |
68 |
Correct |
6 ms |
436 KB |
Output is correct |
69 |
Correct |
8 ms |
600 KB |
Output is correct |
70 |
Correct |
8 ms |
692 KB |
Output is correct |
71 |
Correct |
5 ms |
604 KB |
Output is correct |
72 |
Correct |
6 ms |
444 KB |
Output is correct |
73 |
Correct |
7 ms |
604 KB |
Output is correct |
74 |
Correct |
6 ms |
600 KB |
Output is correct |
75 |
Correct |
7 ms |
612 KB |
Output is correct |
76 |
Correct |
6 ms |
444 KB |
Output is correct |
77 |
Correct |
5 ms |
452 KB |
Output is correct |
78 |
Correct |
6 ms |
860 KB |
Output is correct |
79 |
Correct |
6 ms |
440 KB |
Output is correct |
80 |
Correct |
6 ms |
440 KB |
Output is correct |
81 |
Correct |
6 ms |
436 KB |
Output is correct |
82 |
Correct |
6 ms |
440 KB |
Output is correct |