06-25:数据类型一：数组

1、最长无重复元素子数组长度

https://www.nowcoder.com/practice/b56799ebfd684fb394bd315e89324fb4?tpId=117&&tqId=37816&rp=1&ru=/activity/oj&qru=/ta/job-code-high/question-ranking

核心思路：

（1）保存最长无重复子数组，通过列表/哈希实现存储

（2）不断遍历，产生全局最大值

2、合并有序数组

https://www.nowcoder.com/practice/89865d4375634fc484f3a24b7fe65665?tpId=117&&tqId=37727&rp=1&ru=/activity/oj&qru=/ta/job-code-high/question-ranking

核心思想：双指针

3、螺旋矩阵

https://www.nowcoder.com/practice/7edf70f2d29c4b599693dc3aaeea1d31?tpId=117&&tqId=37738&rp=1&ru=/activity/oj&qru=/ta/job-code-high/question-ranking

核心思想：四种边界怎么递推