#include "grader.h"
#include<bits/stdc++.h>
#define ll long long
#define F first
#define S Second
#define pb push_back
#define pii pair<ll,ll>
#define mp make_pair
using namespace :: std;
const ll maxn=1e7+500;
const ll inf=1e17+900;
ll sagh(ll n,ll k){return (n/k)+(n%k!=0);}
ll dp[maxn];
ll r[maxn];
ll l[maxn];
long long delivery(int n, int k, int L, int p[]) {
fill(dp,dp+maxn,inf);
ll u=n%k;
for(ll i=0;i<=u;i++){
vector<ll> vec;
for(ll j=i+k;j<n;j+=k){
l[j/k]=2*p[j];
vec.pb(l[j/k]);
}
ll ii=u-i;
ll cnt=1;
for(ll j=n-ii-k;j>=0;j-=k){
r[cnt++]=2*(L-p[j]);
vec.pb(r[cnt-1]);
}
ll ct=0;
if(i)ct+=2*p[i-1];
if(ii)ct+=2*(L-p[n-ii]);
sort(vec.begin(),vec.end());
ll pr=0;
for(ll j=0;j<vec.size();j++){
dp[j*k+u]=min(dp[j*k+u],ct+pr);
pr+=vec[j];
}
dp[vec.size()*k+u]=min(dp[vec.size()*k+u],ct+pr);
}
ll ans=sagh(n,k)*L;
for(ll i=0;i*k<=n;i++){
ans=min(ans,dp[n-i*k]+L*i);
}
return ans;
}
Compilation message
boxes.cpp:1:10: fatal error: grader.h: No such file or directory
#include "grader.h"
^~~~~~~~~~
compilation terminated.
