python code practice(四):树、图 1、平衡二叉树 给定一个二叉树,判断它是否是高度平衡的二叉树。 本题中,一棵高度平衡二叉树定义为: 一个二叉树每个节点 的左右两个子树的高度差的绝对值不超过1。 示例1: 给定二叉树 [3,9,20,null,null,15,7] 3 / \ 9 20 / \ 15 7 返回true 。 示例2: 给定...
i:0-10ifpChar[s[i]] >= 1: //pChar[s[i]]: pChar[s[0]]=pChar[c]=1count-= 1 //count减1. count为0表示没有需要匹配的字符了,此时窗口内的字符都是要求的字符.pChar[s[i]]-= 1 //pChar[*]字符数量减1ifi >=p_len://当遍历到的索引...
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so i was just learning hen the next was practice but when i wrote the code i can only comeplete the test case 1 and 3 but not 2 its is in the introduction to python plea
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Interview-code-practice-python/剑指offer/按之字形顺序打印二叉树.py / Jump to Find file Copy path Fetching contributors… 88 lines (80 sloc) 2.89 KB Raw Blame History ''' 题目:请实现一个函数按照之字形打印二叉树,即第一行按照从左到右的顺序打印,第二层按照从右至左的顺序打...
6. Python virtual environment best practices To ensure order and consistency across your data projects, creating a virtual environment for every project you start is a good practice. Virtual environments, also known as virtualenvs, help decouple and isolate versions of Python and the libraries re...
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Philosoft/leetcode-practice-python master BranchesTags Code Folders and files Latest commit Cannot retrieve latest commit at this time. History293 Commits .github/workflows lib .editorconfig .gitignore 0001__two_sum.py 0002__add_two_numbers.py 0003__longest_substring_without_repeating_cha...