#include <bits/stdc++.h>
using namespace std;
#define int long long
const int inf = 2e18;
signed main(){
ios::sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n;
int sl,sc;
cin >> sl >> sc;
sl--;
sc--;
int el,ec;
cin >> el >> ec;
el--;
ec--;
int arr[n];
for(int &i : arr){
cin >> i;
++i;
}
int mns[n];
mns[sl]=arr[sl];
for(int i = sl-1;i>=0;i--){
mns[i]=min(mns[i+1],arr[i]);
}
for(int i = sl+1;i<n;i++){
mns[i]=min(mns[i-1],arr[i]);
}
int mne[n];
mne[el]=arr[el];
for(int i = el-1;i>=0;i--){
mne[i]=min(mne[i+1],arr[i]);
}
for(int i = el+1;i<n;i++){
mne[i]=min(mne[i-1],arr[i]);
}
int ans = inf;
//Case 1:
for(int i = 0;i<n;i++){
//start -> i -> end
int col = min({mns[i]-1,mne[i]-1,sc});
ans=min(ans,abs(i-sl)+abs(i-el)+abs(ec-col));
}
//Case 2:
int dists[n];
fill(dists,dists+n,inf);
for(int i = 0;i<n;i++){
int col = min(mns[i]-1,sc);
dists[i]=min(dists[i],abs(i-sl)+col);
if(i<n-1){
dists[i+1]=abs(i-sl)+(arr[i]-col);
}
}
for(int i = 1;i<n;i++){
dists[i]=min(dists[i],dists[i-1]+1);
}
for(int i = n-2;i>=0;i--){
dists[i]=min(dists[i],dists[i+1]+1);
}
for(int i = 1;i<n;i++){
ans=min(ans,dists[i]+1+abs((i-1)-el)+abs(mne[i-1]-1-ec));
}
ans=min(ans,dists[el]+ec);
cout << ans;
return 0;
}
