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 ...
We have a collection of stones, each stonehas a positive integer weight. Each turn, we choose the twoheavieststonesand smash them together. Suppose the stones have weightsxandywithx lt y. The result ...
2021-03-01 12:31 0 350 推荐指数:
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 ...
思路:原问题可以转换为将数组分割为两个集合(根据符号为正和符号为负划分),使得这两个集合和的差最小。 可以等价为01背包问题。那么dp[i][j]就是将前i个物品放到容量为j的背包能得到的最大值。 ...
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 ...
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 ...
1,汉明重量是一串符号中非零符号的个数 2,汉明距离是 两个等长字符串 对应位置的不同字符的个数 就是将一个字符串变换成另外一个字符串所需要替换的字符个数。例如: 1011101 与 1001001 之间的汉明距离是 2。 2143896 与 2233796 之间 ...
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Alex and Lee play a game with piles of stones. There are an even number of piles arranged in a row ...
题目: Nim 游戏:你和你的朋友,两个人一起玩 Nim 游戏:桌子上有一堆石头,每次你们轮流拿掉 1 - 3 块石头。 拿掉最后一块石头的人就是获胜者。你作为先手。 你们是聪明人,每一步都是最优解。 编写一个函数,来判断你是否可以在给定石头数量的情况下赢得游戏。 示例: 输入: 4输出 ...