#include "rail.h"
#include <bits/stdc++.h>
#define N 5005
using namespace std;
int d[N][N];
int get(int i,int j){
if(i > j)swap(i,j);
if(i == j)return 0;
if(d[i][j])
return d[i][j];
return d[i][j] = getDistance(i,j);
}
void findLocation(int n, int first, int location[], int stype[])
{
location[0] = first;
stype[0] = 1;
if(n == 1)return;
vector<pair<int,int>> v;
for(int i = 1;i<n;i++){
v.push_back({get(0,i),i});
}
sort(v.begin(),v.end());
int last = v[0].second;
location[last] = v[0].first + first;
stype[last] = 2;
for(int i = 1;i<n-1;i++){
if(get(last,v[i].second) != get(0,v[i].second) - location[last] + first){
last = v[i].second;
location[last] = v[i].first + first;
stype[last] = 2;
}
}
// for(int i = 0;i<n;i++){
// cout << location[i] << " " << stype[i] << endl;
// }
}
