思路: dp[i]表示摆放好前i本书所需要的最小代价. 实现: class Solution { public: int minHeightShelves(vector<vector<int>>& books, int shelf_width) { int n = books.size(); vector<, ); dp[] = ; dp[] = books[][]; ; i <= n; i++) { dp[i] = dp[i - ] + books[i - ]…

原题链接在这里:https://leetcode.com/problems/filling-bookcase-shelves/ 题目: We have a sequence of books: the i-th book has thickness books[i][0] and height books[i][1]. We want to place these books in order onto bookcase shelves that have total width shelf_w…

题目如下: We have a sequence of books: the i-th book has thickness books[i][0] and height books[i][1]. We want to place these books in order onto bookcase shelves that have total width shelf_width. We choose some of the books to place on this shelf (such…

D. Persistent Bookcase Recently in school Alina has learned what are the persistent data structures: they are data structures that always preserves the previous version of itself and access to it when it is modified. After reaching home Alina decided…

Persistent Bookcase Problem Description: Recently in school Alina has learned what are the persistent data structures: they are data structures that always preserves the previous version of itself and access to it when it is modified. After reaching…

Persistent Bookcase time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output Recently in school Alina has learned what are the persistent data structures: they are data structures that always prese…

D. Persistent Bookcase 题目连接: http://www.codeforces.com/contest/707/problem/D Description Recently in school Alina has learned what are the persistent data structures: they are data structures that always preserves the previous version of itself and a…

Description Recently in school Alina has learned what are the persistent data structures: they are data structures that always preserves the previous version of itself and access to it when it is modified. After reaching home Alina decided to invent…

题目链接: D. Persistent Bookcase time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output Recently in school Alina has learned what are the persistent data structures: they are data structures that alw…

Recently in school Alina has learned what are the persistent data structures: they are data structures that always preserves the previous version of itself and access to it when it is modified. After reaching home Alina decided to invent her own pers…