GitHub

Singleton tutorial.md

Last module you learned SOLID: five principles that tell you how to think about a class. This module is different. Design patterns don't tell you how to think — they hand you a finished shape you can ...
GitHub

loops-and-iterations

Dozens of looping exercises to sharpen your looping skills with for, forEach, map, filter, looping a dictionary, looping bidimensional arrays, adding conditions to loops, finding an element, and more!
blog.csdn

LeetCode 1086 High Five 高分五科平均分详解：排序、最大堆与最小堆三种解法

直觉 目标等价于：对每个学生，取他分数 降序排列后 的前 5 个分数求均值。那么一个非常自然的做法就是——先把整张表按“ID 升序、同 ID 内分数降序”排好，这样每个学生的前 5 条记录恰好就是他的最高 5 次成绩；随后逐学生累加前 5 条并计算均值即可。
blog.csdn

LeetCode 1338题解：贪心算法与哈希表应用

原创 最新推荐文章于 2026-09-18 23:00:52 发布 · 13 阅读 LeetCode 1338题"Reduce Array Size to The Half"是一个典型的贪心算法与哈希表结合的应用场景。题目给定一个整数数组arr，要求通过删除一组整数 ...