Submission #1034217

#	Time	Username	Problem	Language	Result	Execution time	Memory
1034217		vjudge1	Boxes with souvenirs (IOI15_boxes)	C++17	20 / 100	1 ms	600 KiB

boxes

#include "boxes.h"

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

long long delivery(int N, int K, int L, int p[]) {
    int n=N,k=K;
    long long l[n+1],r[n+1];
    l[0]=0;
    for(int i=0;i<n;i+=k){
        for(int j=i+1;j<=n&&j<=i+k;j++){
            l[j]=l[i]+min(p[j-1]*2,L);
        }
    }
    r[0]=0;
    for(int i=0;i<n;i+=k){
        for(int j=i+1;j<=n&&j<=i+k;j++){
            r[j]=r[i]+min((L-p[n-j])*2,L);
        }
    }
    long long ans=LLONG_MAX;
    for(int i=0;i<=n;i++){
        ans=min(ans,l[i]+r[n-i]);
    }
    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