#include <bits/stdc++.h>
#ifndef SKY
#include "meetings.h"
#endif // SKY
using namespace std;
#define N 5010
#define ll long long
#define fs first
#define sc second
#define ii pair<int,int>
#define pb push_back
int n,q;
ll a[N],sum_left[N][N],sum_right[N][N];
vector<ll> minimum_costs(vector<int> H, vector<int> L,vector<int> R)
{
n=H.size();
for(int i=0;i<n;i++)
a[i]=H[i];
q=L.size();
vector<ll>kq(q);
for(int i=0;i<n;i++)
{
ll sum=0,val=0;
for(int j=i;j>=0;j--)
{
val=max(val,a[j]);
sum+=val;
sum_left[i][j]=sum;
}
sum=0,val=0;
for(int j=i;j<n;j++)
{
val=max(val,a[j]);
sum+=val;
sum_right[i][j]=sum;
}
}
for(int t=0;t<q;t++)
{
int l=L[t],r=R[t];
ll res=1e18;
for(int i=l;i<=r;i++)
res=min(res,sum_left[i][l]+sum_right[i][r]-a[i]);
kq[t]=res;
}
return kq;
}
#ifdef SKY
int main()
{
freopen("A.inp","r",stdin);
freopen("A.out","w",stdout);
ios::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
return 0;
}
#endif
