| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1278988 | coderg300711 | 선물상자 (IOI15_boxes) | C++20 | 344 ms | 213716 KiB |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int maxn=2e7;
ll l[maxn],r[maxn];
long long delivery(int n,int k,int m,int p[]){
for(int i=1;i<=n;i++)l[i]=l[max(0,i-k)]+min(p[i-1]*2,m);
reverse(p,p+n);
for(int i=1;i<=n;i++)r[i]=r[max(0,i-k)]+min((m-p[i-1])*2,m);
ll rs=1e18;
for(int i=0;i<=n;i++)rs=min(rs,l[i]+r[n-i]);
return rs;
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