#include <vector>
#include<bits/stdc++.h>
#define f first
#define s second
#define ent '\n'
using namespace std;
typedef long long ll;
const int mx=1e3+12;
vector<int> g[mx];
int was[mx][mx];
bool are_connected(std::vector<int> A, std::vector<int> B);
int ask(int a,int b){
if(!was[a][b]){
was[a][b]=was[b][a]=(int)are_connected({a},{b})+1;
}
return was[a][b]-1;
}
std::vector<int> longest_trip(int n, int d){
vector<int> ans;
for(int i=0;i<n;i++){
g[i].clear();
for(int j=0;j<n;j++){
was[i][j]=0;
}
}
srand(time(0));
vector<int> t;
for(int i=0;i<n;i++){
g[i].push_back(i);
t.push_back(i);
}
while(t.size()>2){
int a=t[0],b=t[1],c=t[2];
vector<pair<int,int>> d;
d.push_back({a,b});
d.push_back({a,c});
d.push_back({b,c});
random_shuffle(d.begin(),d.end());
int v,u;
if(ask(d[0].f,d[0].s)){
v=d[0].f,u=d[0].s;
}
else if(ask(d[1].f,d[1].s)){
v=d[1].f,u=d[1].s;
}
else{
v=d[2].f,u=d[2].s;
}
reverse(g[v].begin(),g[v].end());
for(int x:g[u]){
g[v].push_back(x);
}
g[u].clear();
int x=g[v][0];
if(x!=v){
for(int to:g[v]){
g[x].push_back(to);
}
g[v].clear();
}
t.clear();
for(int i=0;i<n;i++){
if((int)g[i].size()>0){
t.push_back(i);
}
}
}
int a=t[0],b=t[1];
if((int)g[a].size()>(int)g[b].size()){
return g[a];
}
else{
return g[b];
}
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
1 ms |
344 KB |
Incorrect |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Incorrect |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Incorrect |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
4 ms |
344 KB |
Output is correct |
| 2 |
Correct |
5 ms |
344 KB |
Output is correct |
| 3 |
Correct |
5 ms |
2648 KB |
Output is correct |
| 4 |
Correct |
6 ms |
2904 KB |
Output is correct |
| 5 |
Correct |
6 ms |
3160 KB |
Output is correct |
| 6 |
Correct |
6 ms |
344 KB |
Output is correct |
| 7 |
Correct |
5 ms |
344 KB |
Output is correct |
| 8 |
Correct |
5 ms |
2648 KB |
Output is correct |
| 9 |
Correct |
5 ms |
2648 KB |
Output is correct |
| 10 |
Correct |
7 ms |
2648 KB |
Output is correct |
| 11 |
Correct |
6 ms |
3216 KB |
Output is correct |
| 12 |
Correct |
6 ms |
3244 KB |
Output is correct |
| 13 |
Correct |
6 ms |
2844 KB |
Output is correct |
| 14 |
Correct |
6 ms |
344 KB |
Output is correct |
| 15 |
Correct |
5 ms |
344 KB |
Output is correct |
| 16 |
Correct |
6 ms |
600 KB |
Output is correct |
| 17 |
Correct |
7 ms |
344 KB |
Output is correct |
| 18 |
Correct |
6 ms |
2648 KB |
Output is correct |
| 19 |
Correct |
6 ms |
2648 KB |
Output is correct |
| 20 |
Correct |
6 ms |
3164 KB |
Output is correct |
| 21 |
Correct |
7 ms |
3456 KB |
Output is correct |
| 22 |
Correct |
6 ms |
2912 KB |
Output is correct |
| 23 |
Correct |
6 ms |
3160 KB |
Output is correct |
| 24 |
Correct |
6 ms |
3160 KB |
Output is correct |
| 25 |
Correct |
6 ms |
344 KB |
Output is correct |
| 26 |
Correct |
6 ms |
344 KB |
Output is correct |
| 27 |
Correct |
6 ms |
344 KB |
Output is correct |
| 28 |
Correct |
7 ms |
344 KB |
Output is correct |
| 29 |
Correct |
7 ms |
344 KB |
Output is correct |
| 30 |
Correct |
7 ms |
2696 KB |
Output is correct |
| 31 |
Correct |
7 ms |
2952 KB |
Output is correct |
| 32 |
Correct |
7 ms |
2700 KB |
Output is correct |
| 33 |
Correct |
6 ms |
2904 KB |
Output is correct |
| 34 |
Correct |
6 ms |
2904 KB |
Output is correct |
| 35 |
Correct |
7 ms |
3160 KB |
Output is correct |
| 36 |
Correct |
7 ms |
2904 KB |
Output is correct |
| 37 |
Correct |
9 ms |
3416 KB |
Output is correct |
| 38 |
Correct |
7 ms |
2992 KB |
Output is correct |
| 39 |
Correct |
10 ms |
3008 KB |
Output is correct |
| 40 |
Correct |
7 ms |
3416 KB |
Output is correct |
| 41 |
Correct |
8 ms |
2964 KB |
Output is correct |
| 42 |
Correct |
9 ms |
3424 KB |
Output is correct |
| 43 |
Correct |
10 ms |
3480 KB |
Output is correct |
| 44 |
Correct |
9 ms |
3672 KB |
Output is correct |
| 45 |
Correct |
5 ms |
344 KB |
Output is correct |
| 46 |
Correct |
6 ms |
344 KB |
Output is correct |
| 47 |
Correct |
5 ms |
344 KB |
Output is correct |
| 48 |
Correct |
6 ms |
596 KB |
Output is correct |
| 49 |
Correct |
5 ms |
344 KB |
Output is correct |
| 50 |
Correct |
7 ms |
2692 KB |
Output is correct |
| 51 |
Correct |
7 ms |
2692 KB |
Output is correct |
| 52 |
Correct |
7 ms |
2952 KB |
Output is correct |
| 53 |
Correct |
6 ms |
2836 KB |
Output is correct |
| 54 |
Correct |
6 ms |
2904 KB |
Output is correct |
| 55 |
Correct |
7 ms |
2904 KB |
Output is correct |
| 56 |
Correct |
6 ms |
3416 KB |
Output is correct |
| 57 |
Correct |
7 ms |
3316 KB |
Output is correct |
| 58 |
Correct |
11 ms |
3160 KB |
Output is correct |
| 59 |
Correct |
8 ms |
3064 KB |
Output is correct |
| 60 |
Correct |
7 ms |
3672 KB |
Output is correct |
| 61 |
Correct |
7 ms |
2944 KB |
Output is correct |
| 62 |
Correct |
8 ms |
2948 KB |
Output is correct |
| 63 |
Correct |
8 ms |
2904 KB |
Output is correct |
| 64 |
Correct |
8 ms |
3196 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Incorrect |
| 2 |
Halted |
0 ms |
0 KB |
- |
