#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);
for(int i=2;i<N;++i){
if(ask({v1.back()},{i})) v1.eb(i);
else if(ask({v2.back()},{i})) v2.eb(i);
else{
while(sz(v2)) v1.eb(v2.back()), v2.pop_back();
v2.eb(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:39:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
39 | int mid=l+r>>1;
| ~^~
longesttrip.cpp:49:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
49 | int mid=l+r>>1;
| ~^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
2 ms |
600 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 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 |
852 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
344 KB |
Output is correct |
| 2 |
Correct |
6 ms |
344 KB |
Output is correct |
| 3 |
Correct |
4 ms |
344 KB |
Output is correct |
| 4 |
Correct |
5 ms |
344 KB |
Output is correct |
| 5 |
Correct |
4 ms |
432 KB |
Output is correct |
| 6 |
Correct |
13 ms |
340 KB |
Output is correct |
| 7 |
Correct |
6 ms |
344 KB |
Output is correct |
| 8 |
Correct |
4 ms |
344 KB |
Output is correct |
| 9 |
Correct |
5 ms |
440 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 |
344 KB |
Output is correct |
| 13 |
Correct |
4 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
344 KB |
Output is correct |
| 2 |
Correct |
6 ms |
344 KB |
Output is correct |
| 3 |
Correct |
5 ms |
340 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 |
6 ms |
344 KB |
Output is correct |
| 8 |
Correct |
4 ms |
344 KB |
Output is correct |
| 9 |
Correct |
5 ms |
600 KB |
Output is correct |
| 10 |
Correct |
5 ms |
344 KB |
Output is correct |
| 11 |
Correct |
4 ms |
344 KB |
Output is correct |
| 12 |
Correct |
5 ms |
344 KB |
Output is correct |
| 13 |
Correct |
4 ms |
344 KB |
Output is correct |
| 14 |
Correct |
6 ms |
596 KB |
Output is correct |
| 15 |
Correct |
8 ms |
596 KB |
Output is correct |
| 16 |
Correct |
8 ms |
344 KB |
Output is correct |
| 17 |
Correct |
5 ms |
344 KB |
Output is correct |
| 18 |
Correct |
6 ms |
344 KB |
Output is correct |
| 19 |
Correct |
5 ms |
432 KB |
Output is correct |
| 20 |
Correct |
6 ms |
600 KB |
Output is correct |
| 21 |
Correct |
5 ms |
344 KB |
Output is correct |
| 22 |
Correct |
5 ms |
344 KB |
Output is correct |
| 23 |
Correct |
6 ms |
604 KB |
Output is correct |
| 24 |
Correct |
5 ms |
600 KB |
Output is correct |
| 25 |
Correct |
6 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 |
6 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 |
6 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 |
4 ms |
600 KB |
Output is correct |
| 37 |
Correct |
8 ms |
600 KB |
Output is correct |
| 38 |
Correct |
5 ms |
344 KB |
Output is correct |
| 39 |
Correct |
5 ms |
600 KB |
Output is correct |
| 40 |
Correct |
6 ms |
344 KB |
Output is correct |
| 41 |
Correct |
6 ms |
344 KB |
Output is correct |
| 42 |
Correct |
8 ms |
600 KB |
Output is correct |
| 43 |
Correct |
8 ms |
344 KB |
Output is correct |
| 44 |
Correct |
7 ms |
344 KB |
Output is correct |
| 45 |
Correct |
9 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 |
9 ms |
344 KB |
Output is correct |
| 49 |
Correct |
9 ms |
344 KB |
Output is correct |
| 50 |
Correct |
6 ms |
440 KB |
Output is correct |
| 51 |
Correct |
8 ms |
600 KB |
Output is correct |
| 52 |
Correct |
8 ms |
344 KB |
Output is correct |
| 53 |
Correct |
5 ms |
344 KB |
Output is correct |
| 54 |
Correct |
5 ms |
600 KB |
Output is correct |
| 55 |
Correct |
6 ms |
596 KB |
Output is correct |
| 56 |
Correct |
5 ms |
436 KB |
Output is correct |
| 57 |
Correct |
6 ms |
444 KB |
Output is correct |
| 58 |
Correct |
8 ms |
700 KB |
Output is correct |
| 59 |
Correct |
7 ms |
444 KB |
Output is correct |
| 60 |
Correct |
7 ms |
604 KB |
Output is correct |
| 61 |
Correct |
10 ms |
432 KB |
Output is correct |
| 62 |
Correct |
8 ms |
600 KB |
Output is correct |
| 63 |
Correct |
8 ms |
852 KB |
Output is correct |
| 64 |
Correct |
7 ms |
604 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 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 |
600 KB |
Output is correct |
| 5 |
Correct |
5 ms |
344 KB |
Output is correct |
| 6 |
Correct |
8 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 |
4 ms |
600 KB |
Output is correct |
| 10 |
Correct |
5 ms |
432 KB |
Output is correct |
| 11 |
Correct |
4 ms |
344 KB |
Output is correct |
| 12 |
Correct |
4 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 |
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 |
6 ms |
344 KB |
Output is correct |
| 20 |
Correct |
5 ms |
600 KB |
Output is correct |
| 21 |
Correct |
6 ms |
344 KB |
Output is correct |
| 22 |
Correct |
8 ms |
344 KB |
Output is correct |
| 23 |
Correct |
6 ms |
344 KB |
Output is correct |
| 24 |
Correct |
7 ms |
344 KB |
Output is correct |
| 25 |
Correct |
6 ms |
344 KB |
Output is correct |
| 26 |
Correct |
4 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 |
5 ms |
344 KB |
Output is correct |
| 32 |
Correct |
7 ms |
344 KB |
Output is correct |
| 33 |
Correct |
8 ms |
344 KB |
Output is correct |
| 34 |
Correct |
6 ms |
344 KB |
Output is correct |
| 35 |
Correct |
6 ms |
344 KB |
Output is correct |
| 36 |
Correct |
7 ms |
344 KB |
Output is correct |
| 37 |
Correct |
5 ms |
432 KB |
Output is correct |
| 38 |
Correct |
8 ms |
440 KB |
Output is correct |
| 39 |
Correct |
7 ms |
344 KB |
Output is correct |
| 40 |
Correct |
5 ms |
600 KB |
Output is correct |
| 41 |
Correct |
5 ms |
600 KB |
Output is correct |
| 42 |
Correct |
7 ms |
544 KB |
Output is correct |
| 43 |
Correct |
5 ms |
344 KB |
Output is correct |
| 44 |
Correct |
6 ms |
600 KB |
Output is correct |
| 45 |
Correct |
6 ms |
688 KB |
Output is correct |
| 46 |
Correct |
4 ms |
440 KB |
Output is correct |
| 47 |
Correct |
4 ms |
344 KB |
Output is correct |
| 48 |
Correct |
4 ms |
600 KB |
Output is correct |
| 49 |
Correct |
5 ms |
600 KB |
Output is correct |
| 50 |
Correct |
7 ms |
600 KB |
Output is correct |
| 51 |
Partially correct |
6 ms |
600 KB |
Output is partially correct |
| 52 |
Correct |
6 ms |
344 KB |
Output is correct |
| 53 |
Correct |
8 ms |
344 KB |
Output is correct |
| 54 |
Correct |
7 ms |
600 KB |
Output is correct |
| 55 |
Correct |
6 ms |
344 KB |
Output is correct |
| 56 |
Correct |
5 ms |
344 KB |
Output is correct |
| 57 |
Partially correct |
8 ms |
608 KB |
Output is partially correct |
| 58 |
Partially correct |
6 ms |
344 KB |
Output is partially correct |
| 59 |
Partially correct |
7 ms |
600 KB |
Output is partially correct |
| 60 |
Correct |
7 ms |
600 KB |
Output is correct |
| 61 |
Correct |
9 ms |
344 KB |
Output is correct |
| 62 |
Correct |
5 ms |
604 KB |
Output is correct |
| 63 |
Partially correct |
7 ms |
444 KB |
Output is partially correct |
| 64 |
Partially correct |
7 ms |
440 KB |
Output is partially correct |
| 65 |
Partially correct |
7 ms |
600 KB |
Output is partially correct |
| 66 |
Partially correct |
7 ms |
948 KB |
Output is partially correct |
| 67 |
Correct |
8 ms |
600 KB |
Output is correct |
| 68 |
Correct |
7 ms |
692 KB |
Output is 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 |
692 KB |
Output is correct |
| 72 |
Partially correct |
8 ms |
696 KB |
Output is partially correct |
| 73 |
Partially correct |
9 ms |
444 KB |
Output is partially correct |
| 74 |
Partially correct |
8 ms |
860 KB |
Output is partially correct |
| 75 |
Correct |
8 ms |
440 KB |
Output is correct |
| 76 |
Correct |
8 ms |
440 KB |
Output is correct |
| 77 |
Correct |
6 ms |
604 KB |
Output is correct |
| 78 |
Partially correct |
8 ms |
692 KB |
Output is partially correct |
| 79 |
Correct |
7 ms |
604 KB |
Output is correct |
| 80 |
Partially correct |
6 ms |
444 KB |
Output is partially correct |
| 81 |
Correct |
8 ms |
604 KB |
Output is correct |
| 82 |
Correct |
7 ms |
600 KB |
Output is correct |
