Submission #259713

#	Time	Username	Problem	Language	Result	Execution time	Memory
259713		uacoder123	Boxes with souvenirs (IOI15_boxes)	C++14	0 / 100	1 ms	384 KiB

boxes

#include <bits/stdc++.h>
#include "boxes.h"
using namespace std;
#define F first
#define S second
#define FOR(i,a,b) for (auto i = (a); i <= (b); ++i)
#define NFOR(i,a,b) for(auto i = (a); i >= (b); --i)
#define all(x) (x).begin(), (x).end()
#define sz(x) int(x.size())
#define mp(i,a) make_pair(i,a)
#define pb(a) push_back(a)
#define bit(x,b) (x&(1LL<<b))

typedef int lli;
typedef pair <lli,lli> ii;
typedef pair <lli,ii> iii;
typedef vector <lli> vi;

int arr[10000000],arr1[10000000],ans=0;
long long delivery(int N, int K, int L, int p[]) 
{
    int n,k,l;
    n=N;
    k=K;
    l=L;
    for(int i=0;i<n;++i)
    {
        arr[i]=p[i]*2+((i-k>=0)?arr[i-k]:0);
    }
    for(int i=n-1;i>=0;--i)
        arr1[i]=(l-p[i])*2+((i+k<=n-1)?arr1[i+k]:0);
    ans=min(arr[n-1],arr1[0]);
    for(int i=0;i<n-1;++i)
        ans=min(ans,arr[i]+arr1[i+1]);
    for(int i=0;i<=n;++i)
        ans=min(ans,((i>0)?arr[i-1]:0)+l+((n-i-k>0)?arr1[(n)-(n-k-i)]:0));
    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