제출 #747224

#제출 시각아이디문제언어결과실행 시간메모리
747224Abrar_Al_Samit선물상자 (IOI15_boxes)C++17
10 / 100
2 ms328 KiB
#include <bits/stdc++.h> #include "boxes.h" using namespace std; const int nax = 1e3 + 3; const long long INF = 1e18; long long dp[nax]; int n, k, L; int a[nax]; //a[0] = a[n+1] = 0 int c[nax]; int get(int i, int j) { if(j<=n) { return min(a[j]-a[i], c[i]+c[i+1]+a[j]-a[i+1]); } else { return L-a[i]; } } long long delivery(int N, int K, int l, int p[]) { n = N, k = K, L = l; for(int i=1; i<=n; ++i) { a[i] = p[i-1]; c[i] = min(a[i], L-a[i]); } for(int i=1; i<=n+1; ++i) { dp[i] = INF; } for(int i=0; i<=n; ++i) { for(int j=1; j<=k && i+j+1<=n+1; ++j) { dp[i+j+1] = min(dp[i+j+1], dp[i] + get(i, i+j) + c[i+j] + c[i+j+1]); } } return dp[n+1]; }
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