#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define INF 2000000000
int main(){
ll n, sl, sc, el, ec;
cin>>n;
cin>>sl>>sc;
cin>>el>>ec;
vector<ll> v(n + 1, 0);
for (int i = 1; i <= n; i++){
cin>>v[i];
v[i]++;
}
if (sl > el){
swap(sl, el), swap(sc, ec);
for (int i = 1; i <= n / 2; i++){
swap(v[i], v[n - i + 1]);
}
}
ll ans = INF;
ll mi = sc;
for (int i = sl; i <= el; i++){
mi = min(v[i], mi);
}
ans = min(ans, abs(mi - ec) + abs(sl - el));
ll cur = mi;
for (int i = sl; i >= 1; i--){
cur = min(mi, v[i]);
ans = min(ans, abs(sl - i) + abs(el - i) + abs(cur - ec));
}
cur = mi;
for (int i = el; i <= n; i++){
cur = min(mi, v[i]);
ans = min(ans, abs(sl - i) + abs(el - i) + abs(cur - ec));
}
vector<ll> co1(n + 1, INF);
cur = sc;
for (int i = sl; i <= n; i++){
cur = min(cur, v[i]);
co1[i] = min(co1[i], abs(sl - i) + cur - 1);
if (i != n){
co1[i + 1] = min(co1[i + 1], abs(sl - i) + v[i] - cur + 1);
}
}
for (int i = sl; i >= 1; i--){
cur = min(cur, v[i]);
co1[i] = min(co1[i], abs(sl - i) + cur - 1);
if (i != n){
co1[i + 1] = min(co1[i + 1], abs(sl - i) + v[i] - cur + 1);
}
}
for (int i = 1; i <= n; i++){
co1[i] = min(co1[i], co1[i - 1] + 1);
}
for (int i = n - 1; i >= 1; i--){
co1[i] = min(co1[i], co1[i + 1] + 1);
}
for (int i = 1; i <= n; i++){
ans = min(ans, abs(el - i) + ec - 1 + co1[i]);
}
vector<ll> en(n + 1, INF);
for (int i = 1; i <= n; i++){
en[i] = min(en[i], min(co1[i + 1] + 1, co1[i] + v[i] - 1));
}
mi = INF;
for (int i = el; i <= n; i++){
mi = min(mi, v[i]);
ans = min(ans, en[i] + abs(i - el) + abs(mi - ec));
}
mi = INF;
for (int i = el; i >= 1; i--){
mi = min(mi, v[i]);
ans = min(ans, en[i] + abs(i - el) + abs(mi - ec));
}
cout<<ans;
}
