| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1215688 | byunjaewoo | 선물상자 (IOI15_boxes) | C++20 | 346 ms | 196148 KiB |
#include "boxes.h"
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
ll delivery(int n,int k,int L,int p[]){
ll ans=1e18, l[n+1], r[n+1];
l[0]=r[0]=0;
for(int i=1; i<=n; i++) r[i]=r[max(i-k,0)]+p[i-1]*2, l[i]=l[max(i-k,0)]+(L-p[n-i])*2;
for(int i=0; i<=n; i++) ans=min(ans, l[i]+min(r[n-i], r[max(n-i-k,0)]+L));
return ans;
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