This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#ifndef SKY
#include "shortcut.h"
#endif // SKY
using namespace std;
#define ll long long
#define pb push_back
#define N 100010
#define ii pair<ll,int>
#define fs first
#define sc second
int n;
ll sum[N],C,d[N];
ll dis(int u,int v,int L,int R)
{
return d[u]+d[v]+min(abs(sum[u]-sum[v]),min( abs(sum[L]-sum[u])+abs(sum[R]-sum[v])+C, abs(sum[L]-sum[v])+abs(sum[R]-sum[u])+C ));
}
ll find_shortcut(int cc, vector<int> l, vector<int> DD, int vl)
{
n=cc;
C=vl;
for(int i=2;i<=n;i++)
sum[i]=l[i-2]+sum[i-1];
for(int i=1;i<=n;i++)
d[i]=DD[i-1];
ll res=1e18;
for(int L=1;L<=n;L++)
for(int R=L+1;R<=n;R++)
{
// if(L==2&&R==4)
// cout<<dis(2,4,L,R)<<endl;
/* int vt=1;
ll val=0;
for(int i=2;i<=n;i++)
{
ll cc=dis(1,i,L,R);
if(cc>val)
{
val=cc;
vt=i;
}
}*/
ll D=0;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
D=max(D,dis(j,i,L,R));
res=min(res,D);
}
return res;
}
#ifdef SKY
int main()
{
freopen("A.inp","r",stdin);
freopen("A.out","w",stdout);
int n,c;
vector<int>l,d;
cin>>n;
for(int i=0;i<n-1;i++)
{
int u;
cin>>u;
l.pb(u);
}
for(int i=0;i<n;i++)
{
int u;
cin>>u;
d.pb(u);
}
cin>>c;
cout<<find_shortcut(n,l,d,c);
}
#endif
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