Arc073_F Many Moves

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传送门题目大意有$n$个格子从左到右依次挨着,一开始有两枚棋子分布在$A,B$某一个或两个格子里,有$m$个操作,第$i$次操作要求你把其中一个棋子移到$X_i$上,移动一个棋子的代价是两个格子之间的距离,求移完所有棋子的代价之和的最小值. 题解首先这题显然不能贪心,后面的要求会对当前的选择产生影响. 考虑朴素的$n^2$的$DP$,设$F_{i,k}$表示满足恰好前$i$个操作时,除了处在$X_i$处的棋子,另一个棋子处在$k$的格子处的代价. 那么转移很显然$F_{i+1,k}=F_{…

[LeetCode] Minimum Moves to Equal Array Elements II 最少移动次数使数组元素相等之二

Given a non-empty integer array, find the minimum number of moves required to make all array elements equal, where a move is incrementing a selected element by 1 or decrementing a selected element by 1. You may assume the array's length is at most 10…

[LeetCode] Minimum Moves to Equal Array Elements 最少移动次数使数组元素相等

Given a non-empty integer array of size n, find the minimum number of moves required to make all array elements equal, where a move is incrementing n - 1 elements by 1. Example: Input: [1,2,3] Output: 3 Explanation: Only three moves are needed (remem…

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LeetCode Minimum Moves to Equal Array Elements

原题链接在这里:https://leetcode.com/problems/minimum-moves-to-equal-array-elements/ 题目: Given a non-empty integer array of size n, find the minimum number of moves required to make all array elements equal, where a move is incrementing n - 1 elements by 1.…

LeetCode 453 Minimum Moves to Equal Array Elements

Problem: Given a non-empty integer array of size n, find the minimum number of moves required to make all array elements equal, where a move is incrementing n - 1 elements by 1. Example: Input: [1,2,3] Output: 3 Explanation: Only three moves are need…