Submission #239007

#	Time	Username	Problem	Language	Result	Execution time	Memory
239007		Autoratch	Boxes with souvenirs (IOI15_boxes)	C++14	0 / 100	5 ms	384 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;

const int N = 1e7 + 2;

long long dp[N],dr[N],ans = LLONG_MAX;

long long delivery(int n,int k,int l,int p[]) 
{
    for(int i = 1;i <= n;i++)
    {
        dp[i] = dp[max(i-l,0)]+p[i-1]*2;
    }
    for(int i = n;i >= 1;i--)
    {
        dr[i] = dr[min(i+l,n+1)]+(l-p[i-1])*2;
    }
    for(int i = 0;i <= n;i++) ans = min(ans,dp[i]+dr[i+1]);
    return ans;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:9:30: warning: unused parameter 'k' [-Wunused-parameter]
 long long delivery(int n,int k,int l,int p[]) 
                              ^

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