Submission #1316121

#	Time	Username	Problem	Language	Result	Execution time	Memory
1316121		khanhphucscratch	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 delivery(int n, int k, int len, int p[]) {
    int l = 0, r = n-1;
    int ans = 0;
    while(l <= r){
        if(r-l+1 <= k){
            ans += 2*min(len-p[l], p[r]);
            r = -1;
        }
        else{
            if(len-p[r-k+1] < p[l+k-1]){
                ans += 2*(len-p[r-k+1]); r -= k;
            }
            else{
                ans += 2*p[l+k-1]; l += k;
            }
        }
    }
    return ans;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccpFjpuU.o: in function `main':
grader.c:(.text.startup+0x1e4): undefined reference to `delivery(int, int, int, int*)'
collect2: error: ld returned 1 exit status