제출 #1122980

#제출 시각아이디문제언어결과실행 시간메모리
1122980heey선물상자 (IOI15_boxes)C++17
0 / 100
0 ms324 KiB
#include<bits/stdc++.h> #define f first #define s second #define all(x) (x).begin(), (x).end() #define mod 1'000'000'007 #define inf 1'000'000'000'000'00 #define pb push_back #define vvi vector<vi> #define fst ios_base::sync_with_stdio(0);cin.tie(0); using namespace std; long long delivery(int n, int k, int L, int a[]){ int res = INT_MAX; vector<int> dpc(n+1), dpcc(n+1); for(int i = 1; i <= n; i++){ if(i >= k) dpc[i] = dpc[i-k]; dpc[i] += 2*a[i-1]; } for(int i = n-1; i >= 0; i--){ if(i < n-k) dpcc[i] = dpcc[i+k]; dpcc[i] += 2*(L - a[i]); } for(int i = 0; i <= n; i++){ res = min(res, dpc[i] + dpcc[i]); } return res; }
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