Submission #725815

#	Time	Username	Problem	Language	Result	Execution time	Memory
725815		TheSahib	Boxes with souvenirs (IOI15_boxes)	C++17	20 / 100	1 ms	308 KiB

boxes

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

#define ll long long

using namespace std;



ll delivery(int N, int K, int M, int p[])
{
    ll L[N + 1], R[N + 1];
    L[0] = 0;
    for (int i = 1; i <= N; i++)
    {
        L[i] = L[(i - 1) / K * K] + p[i - 1] * 2;
    }
    
    R[0] = 0;
    for (int i = 1; i <= N; i++)
    {
        R[i] = R[(i - 1) / K * K] + (M - p[N - i]) * 2;
    }
    ll ans = 1e18;
    for (int i = 0; i <= N; i++)
    {
        ans = min(ans, L[i] + R[N - i]);
        if(N - i - K >= 0){
            ans = min(ans, L[i] + R[N - i - K] + M);
        }
    }
    return ans;
}

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