Submission #832355

#	Time	Username	Problem	Language	Result	Execution time	Memory
832355		ttamx	Boxes with souvenirs (IOI15_boxes)	C++14	10 / 100	1 ms	212 KiB

boxes

#include "boxes.h"
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

ll delivery(int N, int K, int L, int p[]) {
    vector<ll> dpl(N+2),dpr(N+2);
    for(int i=1;i<=N;i++)dpl[i]=dpl[max(0,i-K)]+2ll*p[i-1];
    for(int i=N;i>=1;i--)dpr[i]=dpr[min(N+1,i+K)]+2ll*(L-p[i-1]);
    ll ans=LLONG_MAX;
    for(int i=0;i<=N;i++)ans=min(ans,dpl[i]+dpr[i+1]);
    return ans;
}

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