제출 #69097

#제출 시각아이디문제언어결과실행 시간메모리
69097TuGSGeReL선물상자 (IOI15_boxes)C++14
0 / 100
2 ms376 KiB
#include "boxes.h"
#include<bits/stdc++.h>
using namespace std;
int i;
vector<long long> a,b;
long long delivery(int n, int k, int l, int p[]) {
	sort(p,p+n);
	a.push_back(0);
	b.push_back(0);
	for(i=0;i<n;i++) a.push_back(min(p[i]*2,l)),p[i]=l-p[i];
	for(i=n-1;i>=0;i--) b.push_back(min(p[i]*2,l));
	for(i=0;i<=n;i++){
		if(i>=k){
			a[i]+=a[i-k];
			b[i]+=b[i-k];
		}
	}
	long long ans=1e15;
	for(i=0;i<n;i++)ans=min(ans,a[i]+b[i]);
    return ans;
}
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