Submission #947609

#	Time	Username	Problem	Language	Result	Execution time	Memory
947609		4QT0R	Boxes with souvenirs (IOI15_boxes)	C++17	Compilation error	0 ms	0 KiB

boxes

#include <bits/stdc++.h>
using namespace std;
#define ll long long

ll pref[10000002];
ll suf[10000002];

ll delivery(ll n, ll k, ll l, ll positions[]){
	for (ll i = 0; i<k; i++)pref[i]=positions[i];
	for (ll i = k; i<n; i++)pref[i]=positions[i]+pref[i-k];
	for (ll i = n-1; i>n-k-1; i--)suf[i]=l-positions[i];
	for (ll i = n-k-1; i>=0; i--)suf[i]=l-positions[i]+suf[i+k];

	ll ans=suf[0];
	for (ll i = 0; i<n-1; i++)ans=min(ans,2*pref[i]+2*suf[i+1]);
	for (ll i = 0; i<n-1; i++)ans=min(ans,2*pref[i]+l+2*(i+k<n ? suf[i+k] : suf[n-1]));
	return ans;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccoL3pyl.o: in function `main':
grader.c:(.text.startup+0x1ef): undefined reference to `delivery(int, int, int, int*)'
collect2: error: ld returned 1 exit status