数组大小减半思路简单,主要是熟悉python中collections.Counter的用法,采用贪心策略即可。 示例: 图1 数组大小减半输入输出示例 代码: class Solution:def minSetSize(self, arr):count = Counter(arr)n, ans = 0, 0for i, value in count.most_common():n +
题目链接: 力扣https://leetcode-cn.com/problems/minimum-operations-to-halve-array-sum/ 【分析】按照从小到大的顺序排序,每次弹出最大的元素来减半再将减半后的元素插入回去,典型的优先队列的应用。 class Solution {public int halveArray(int[] nums) {int ans
机器遇见世界的插曲集锦(Episode Highlights from Machine Meets World) This week’s guests are the co-chairs of the Congressional Artificial Intelligence Caucus, Congressman Pete Olson (R-TX) and Congressman Je