Records of Practice

记录一下之后的练习，虽然之前的没有记录下来

6/12/2021

1. Tree

   a. Mirror of tree: https://www.nowcoder.com/practice/a9d0ecbacef9410ca97463e4a5c83be7?tpId=13&&tqId=11171&rp=1&ru=/ta/coding-interviews&qru=/ta/coding-interviews/question-ranking

   b. in-order traversal of tree (iteration): https://app.laicode.io/app/problem/43

   c. 二叉搜索树的后序遍历序列: https://www.nowcoder.com/practice/a861533d45854474ac791d90e447bafd?tpId=13&&tqId=11176&rp=1&ru=/ta/coding-interviews&qru=/ta/coding-interviews/question-ranking

6/15/2021

1. DP

   1. 子数组的最大累加和问题： https://www.nowcoder.com/practice/554aa508dd5d4fefbf0f86e5fe953abd?tpId=188&&tqId=38594&rp=1&ru=/activity/oj&qru=/ta/job-code-high-week/question-ranking

   2. 子数组最大乘积https://www.nowcoder.com/practice/9c158345c867466293fc413cff570356?tpId=188&&tqId=38656&rp=1&ru=/activity/oj&qru=/ta/job-code-high-week/question-ranking

   3. 三个数的最大乘积https://www.nowcoder.com/practice/8ae05c2913fe438b8b14f3968f64fc0b?tpId=188&&tqId=38616&rp=1&ru=/activity/oj&qru=/ta/job-code-high-week/question-ranking

2. LinkedList

   1. 删除链表的倒数第n个节点https://www.nowcoder.com/practice/f95dcdafbde44b22a6d741baf71653f6?tpId=188&&tqId=38587&rp=1&ru=/activity/oj&qru=/ta/job-code-high-week/question-ranking

6/17/2021

1. Tree

   1. 重建二叉树https://www.nowcoder.com/practice/8a19cbe657394eeaac2f6ea9b0f6fcf6?tpId=191&&tqId=35922&rp=1&ru=/activity/oj&qru=/ta/job-code-high-algorithm/question-ranking

   2. 判断二叉树是否对称https://www.nowcoder.com/practice/1b0b7f371eae4204bc4a7570c84c2de1?tpId=188&&tqId=38623&rp=1&ru=/activity/oj&qru=/ta/job-code-high-week/question-ranking

   3. 二叉树是否存在和为目标值的路径https://www.nowcoder.com/practice/508378c0823c423baa723ce448cbfd0c?tpId=188&&tqId=38614&rp=1&ru=/activity/oj&qru=/ta/job-code-high-week/question-ranking

6/22/2021

1. Divide and Conquer

   1. 找第K大的元素https://www.nowcoder.com/practice/e016ad9b7f0b45048c58a9f27ba618bf?tpId=188&&tqId=38572&rp=1&ru=/ta/job-code-high-week&qru=/ta/job-code-high-week/question-ranking

6/27/2021

1. Array

   1. 最长无重复子数组:https://www.nowcoder.com/practice/b56799ebfd684fb394bd315e89324fb4?tpId=188&&tqId=38553&rp=1&ru=/activity/oj&qru=/ta/job-code-high-week/question-ranking

   2. 链表的奇偶重排https://www.nowcoder.com/practice/02bf49ea45cd486daa031614f9bd6fc3?tpId=188&&tqId=38658&rp=1&ru=/activity/oj&qru=/ta/job-code-high-week/question-ranking

   3. 数组中的最长连续子序列https://www.nowcoder.com/practice/eac1c953170243338f941959146ac4bf?tpId=188&&tqId=38566&rp=1&ru=/ta/job-code-high-week&qru=/ta/job-code-high-week/question-ranking