leetcode_1049. Last Stone Weight II_[DP]

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leetcode_1049. Last Stone Weight II_[DP]

1049. Last Stone Weight II https://leetcode.com/problems/last-stone-weight-ii/ 题意:从一堆石头里任选两个石头s1,s2,若s1==s2,则两个石头都被销毁,否则加入s1<s2,剩下一块重量为s2-s1的石头.重复上面的操作,直至只剩一块石头,或没有石头.问最后剩下的石头的重量最小为多少(0表示没有剩余石头). 解法: 每次选两块石头进行相减问最后一块石头重量最小为多少,可以看作是将所有石头分为两波,使两波石头的差值的…

LeetCode 1049. Last Stone Weight II

原题链接在这里:https://leetcode.com/problems/last-stone-weight-ii/ 题目: We have a collection of rocks, each rock has a positive integer weight. Each turn, we choose any two rocks and smash them together. Suppose the stones have weights x and y with x <= y. …

Leetcode--Last Stone Weight II

Last Stone Weight II 欢迎关注H寻梦人公众号 You are given an array of integers stones where stones[i] is the weight of the ith stone. We are playing a game with the stones. On each turn, we choose any two stones and smash them together. Suppose the stones have…

LeetCode 1046. 最后一块石头的重量(1046. Last Stone Weight) 50

1046. 最后一块石头的重量 1046. Last Stone Weight 题目描述每日一算法2019/6/22Day 50LeetCode1046. Last Stone Weight Java 实现 and so on 参考资料 https://leetcode.com/problems/last-stone-weight/ https://leetcode-cn.com/problems/last-stone-weight/…

LeetCode 1046. Last Stone Weight

原题链接在这里:https://leetcode.com/problems/last-stone-weight/ 题目: We have a collection of rocks, each rock has a positive integer weight. Each turn, we choose the two heaviest rocks and smash them together. Suppose the stones have weights x and y with x…

【Leetcode_easy】1046. Last Stone Weight

problem 1046. Last Stone Weight 参考 1. Leetcode_easy_1046. Last Stone Weight; 完…

leetcode 57 Insert Interval & leetcode 1046 Last Stone Weight & leetcode 1047 Remove All Adjacent Duplicates in String & leetcode 56 Merge Interval

lc57 Insert Interval 仔细分析题目,发现我们只需要处理那些与插入interval重叠的interval即可,换句话说,那些end早于插入start以及start晚于插入end的interval都可以保留.我们只需要两个指针,i&j分别保存重叠interval中最早start和最晚end即可,然后将interval [i, j]插入即可 class Solution { public int[][] insert(int[][] intervals, int[] newInte…