#include "shortcut.h"
using namespace std;
#include <vector>
#include <iostream>
long long inf=1e17;
long long spar[100005];
long long atarna[100005];
int n;
long long dist(int a,int b,int c,int d,int add)
{
long long minim=inf;
minim=min(minim,spar[b]-spar[a]);
minim=min(minim,abs(spar[b]-spar[d])+abs(spar[a]-spar[c])+add);
return minim;
}
pair<long long,long long>eval(int i,int j,int c)
{
long long worst=0;
if(c>spar[j]-spar[i])
{
return {inf,1};
}
long long worts=0,dir=1;
for(int z=1; z<=n; z++)
{
for(int z2=z+1; z2<=n; z2++)
{
long long dcurr=dist(z,z2,i,j,c)+atarna[z-1]+atarna[z2-1];
worst=max(worst,dcurr);
if(dcurr==worst)
{
if(z2>j)
{
dir=1;
}
else
{
dir=-1;
}
}
}
}
return make_pair(worst,dir);
}
long long find_shortcut(int m, std::vector<int> l, std::vector<int> d, int c)
{
n=m;
for(int i=2; i<=n; i++)
{
spar[i]=spar[i-1]+l[i-2];
}
for(int i=0;i<n;i++)
{
atarna[i]=d[i];
}
long long best=0;
for(int z=1; z<=n; z++)
{
for(int z2=z+1; z2<=n; z2++)
{
best=max(best,spar[z2]-spar[z]+d[z-1]+d[z2-1]);
}
}
for(int i=1; i<=n; i++)
{
int st=i+1,dr=n;
while(st<=dr)
{
int mij=(st+dr)/2;
pair<long long,long long>rez=eval(i,mij,c);
if(rez.second==1)
{
st=mij+1;
}
else
{
dr=mij-1;
}
best=min(best,rez.first);
}
}
return best;
}
Compilation message (stderr)
shortcut.h:1:9: warning: #pragma once in main file
1 | #pragma once
| ^~~~
shortcut_c.h:1:9: warning: #pragma once in main file
1 | #pragma once
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