Submission #1216999

#	Time	Username	Problem	Language	Result	Execution time	Memory
1216999		matere	Boxes with souvenirs (IOI15_boxes)	C++20	Compilation error	0 ms	0 KiB

boxes

#include "boxes.h"
#include<bits/stdc++.h>
#define int long long
using namespace std; 
int a[10000005],dp1[10000005],dp2[10000005];
int delivery(int n,int k,int l,int b[]){
    cin>>n>>k>>l;
    for(int i=1;i<=n;i++){
        a[i]=b[i-1];
        dp1[i]=dp1[a[max(0ll,i-k)]]+a[i]+min(a[i],(l-a[i]));
        // cout<<dp1[i]<<' ';
    }
    // cout<<endl;
    for(int i=n;i>=1;i--){
        dp2[i]=dp2[a[min(n+1,i+k)]]+(l-a[i])+min(a[i],(n-a[i]));
        // cout<<dp2[i]<<' ';
    }
    int ans=0;
    for(int i=1;i<=n;i++){
        ans=max(ans,dp1[i]+dp2[i+1]);
    }
    return ans;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cctg8OCU.o: in function `main':
grader.c:(.text.startup+0x1ec): undefined reference to `delivery(int, int, int, int*)'
collect2: error: ld returned 1 exit status