Submission #1332721

#	Time	Username	Problem	Language	Result	Execution time	Memory
1332721		simplemind_31	Boxes with souvenirs (IOI15_boxes)	C++20	10 / 100	0 ms	344 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
#define REV(x) x.rbegin(),x.rend()
using namespace std;
typedef long long ll;
ll delivery(int N, int K, int L, int p[]) {
    vector<ll> a(p,p+N);
    sort(a.begin(),a.end());
    vector<ll> iz(N+1),de(N+1);
    for(int i=1;i<=N;i++){
        if(i<=K)iz[i]=2*a[i-1];
        else iz[i]=iz[i-K]+2*a[i-1];
    }
    for(int i=1;i<=N;i++){
        if(i<=K)de[i]=2*(L-a[N-i]);
        else de[i]=de[i-K]+2*(L-a[N-i]);
    }
    ll ans=1e18;
    for(int i=0;i<=N;i++)ans=min(ans,iz[i]+de[N-i]);
    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