Submission #1014854

#	Time	Username	Problem	Language	Result	Execution time	Memory
1014854		Muhammet	Boxes with souvenirs (IOI15_boxes)	C++17	0 / 100	2 ms	348 KiB

boxes

#include <bits/stdc++.h>
#include "boxes.h"
 
#define N 10005
#define ll long long
 
using namespace std;

ll p[N], s[N];

ll delivery(int n, int k, int l, int a[]) {
	for(int i = 0; i < n; i++){
		int ind = i;
		while(ind >= 0){
			p[i+1] += (2*a[ind]);
			ind -= k;
		}
	}
	for(int i = n-1; i >= 0; i--){
		int ind = i;
		while(ind < n){
			s[i+1] += (2*(l-a[ind]+1));
			ind += k;
		}
	}
	ll ans = LLONG_MAX;
	for(int i = 0; i <= n; i++){
		for(int j = i + 1; j <= n+1; j++){
			ans = min(ans,p[i] + s[j] + ((j-i-1+k-1)/k)*l);
		}
	}
	return ans;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30