#include <bits/stdc++.h>
#include "rail.h"
using namespace std;
#define vt vector
#define pb push_back
#define all(x) (x).begin(),(x).end()
#define rep(i,x) for(int (i) = 0; (i) < (x); (i)++)
#define INF 0x3f3f3f3f
#define MOD 1000000007
typedef long long ll;
typedef long double ld;
typedef vt<int> vi;
typedef pair<int,int> pii;
int dist[5003][5003];
void findLocation(int n,int first, int location[], int stype[]){
for(int i = 0; i < n; i++){
for(int j = i+1; j < n; j++){
dist[i][j] = dist[j][i] = getDistance(i,j);
}
}
location[0] = first;
stype[0] = 1;
int c = -1;
int MinDist = INF;
for(int i =1; i < n; i++){
if(dist[0][i]<MinDist){
MinDist = dist[0][i];
c = i;
}
}
location[c] = first+dist[0][c];
stype[c] = 2;
int b = -1;
MinDist = INF;
for(int i =0; i < n; i++){
if(i==c)continue;
if(dist[c][i]<MinDist){
MinDist = dist[c][i];
b = i;
}
}
location[b] = location[c] - dist[c][b];
stype[b] = 1;
for(int i = 0; i < n; i++){
if(i==c||i==b)continue;
if(dist[b][i]-dist[c][i]==dist[b][c]){
bool bol = false;
int idex;
for(int j = 0; j < n; j++){
if(j==i||j==c||j==b)continue;
if(dist[c][j]+dist[j][i] == dist[c][i]){
bol = true;
idex = j;
break;
}
}
if(!bol){
location[i] = location[c]-dist[c][i];
stype[i] = 1;
}else{
location[i] = location[c] - dist[c][idex]+dist[idex][i];
stype[i] = 2;
}
}else{
bool bol = false;
int idex;
for(int j = 0; j < n; j++){
if(j==b||j==c||j==i)continue;
if(dist[b][j]+dist[j][i]==dist[b][i]){
bol = true;
idex = j;
break;
}
}
if(!bol){
location[i] = location[b] + dist[b][i];
stype[i] = 2;
}else{
location[i] = location[b] + dist[b][idex] - dist[idex][i];
stype[i] = 1;
}
}
}
}
