摘要:
原题链接在这里:https://leetcode.com/problems/make-array-non-decreasing-or-non-increasing/description/ 题目: You are given a 0-indexed integer array nums. In on 阅读全文
摘要:
原题链接在这里:https://leetcode.com/problems/number-of-good-leaf-nodes-pairs/description/ 题目: You are given the root of a binary tree and an integer distance 阅读全文