Submission #1184663

#	Time	Username	Problem	Language	Result	Execution time	Memory
1184663		vivkostov	선물상자 (IOI15_boxes)	C++20	Compilation error	0 ms	0 KiB

boxes

#include "bits/stdc++.h"
#pragma once
#include "grader.cpp"
#include "boxes.h"
using namespace std;
long long int lef,rig,n,k,l,a[1000005],used[1000005],otg,ost,last=1e15,ma1,ma2;
void fix_l()
{
    for(int i=k-1;i<n;i+=k)
    {
        if(a[i]>lef||ost-k<k)break;
        ost-=k;
        otg+=a[i]*2;
        for(int j=i;j>=i-k+1;j--)used[j]=1;
    }
}
void fix_r()
{
    for(int i=n-k;i>=0;i-=k)
    {
        if(a[i]<rig||ost-k<k)break;
        ost-=k;
        otg+=(l-a[i]*2);
        for(int j=i;j<=i+k-1;j++)used[j]=1;
    }
}
void get_info()
{
    for(int i=0;i<n;i++)
    {
        if(!used[i])
        {
            if(a[i]<=lef)ma1=a[i];
            else if(!ma2)ma2=a[i];
        }
    }
}
void get_from_left()
{
    int num=0;
    for(int i=0;i<n;i++)
    {
        if(!used[i])num++;
        if(num==k)last=l+(l-a[i+1]);
    }
}
void get_from_right()
{
    int num=0;
    for(int i=n-1;i>=0;i--)
    {
        if(!used[i])num++;
        if(num==k)last=min(last,l+(a[i-1]));
    }
}
long long int delivery(int N, int K, int L, int P[])
{
    n=N;
    ost=N;
    k=K;
    l=L;
    for(int i=0;i<n;i++)
    {
        a[i]=P[i];
    }
    lef=(l-1)/2;
    rig=(l+1)/2;
    sort(a,a+n);
    //PREC
    fix_l();
    fix_r();
    get_info();
    otg=otg+min(ma1*2+(l-ma2)*2,last);
    //cout<<otg<<endl;
    return otg;
}

Compilation message (stderr)

boxes.cpp:2:9: warning: #pragma once in main file
    2 | #pragma once
      |         ^~~~
boxes.cpp:3:10: fatal error: grader.cpp: No such file or directory
    3 | #include "grader.cpp"
      |          ^~~~~~~~~~~~
compilation terminated.