#include "rail.h"
#include<iostream>
using namespace std;
const int N = 1e6 + 123;
int dist[N];
int n;
const int inf = 1e9;
void findLocation(int N, int first, int location[], int stype[]) {
n = N;
location[0] = first;
stype[0] = 1;
for (int i = 1 ; i < n ; ++ i) {
stype[i] = 2;
}
int id = -1, mn = inf;
for (int i = 1 ; i < n ; ++ i) {
int cur = getDistance(0, i);
if (mn > cur) {
mn = cur;
id = i;
}
dist[i] = cur;
location[i] = cur + first;
}
for (int i = 1 ; i < n ; ++ i) {
if (i == id) continue;
int cur = getDistance(id, i);
if (cur < dist[i]) {
dist[i] = cur;
stype[i] = 1;
location[i] = location[id] - cur;
}
}
}
