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LeetCode 110 Balanced Binary Tree
Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as: a binary tree in which the dep ...
分类:其他好文   时间:2018-06-28 18:19:28    阅读次数:165
856. Score of Parentheses
Given a balanced parentheses string S, compute the score of the string based on the following rule: () has score 1 AB has score A + B, where A and B a ...
分类:其他好文   时间:2018-06-24 20:53:33    阅读次数:265
leetcode 856. Score of Parentheses
Given a balanced parentheses string S, compute the score of the string based on the following rule: Example 1: Input: "()" Output: 1 Example 2: Input: ...
分类:其他好文   时间:2018-06-24 16:12:06    阅读次数:435
[Cracking the Coding Interview] 4.4 Check Balanced
Implement a function to check if a binary tree is balanced. For the purpose of this question, a balanced tree is defined to be a tree such that the he ...
分类:其他好文   时间:2018-06-16 10:34:06    阅读次数:169
leetcode 110. Balanced Binary Tree
Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as: a binary tree in which the dep ...
分类:其他好文   时间:2018-06-13 23:29:31    阅读次数:188
Python 能干什么
二、Python 只适合测试? 关于Python是一种什么样的语言,这里不打算说对象、类之类的术语。我们可以先来看一看,时至今日 Python 都在哪些领域里得以应用: 电信基础设施 (Twilio) 支付系统 (PayPal, Balanced Payments) 神经科学和心理学 数值分析和工程 ...
分类:编程语言   时间:2018-06-06 15:48:36    阅读次数:188
BZOJ_2679_[Usaco2012 Open]Balanced Cow Subsets _meet in middle+双指针
BZOJ_2679_[Usaco2012 Open]Balanced Cow Subsets _meet in middle+双指针 Description Farmer John's owns N cows (2 <= N <= 20), where cow i produces M(i) uni ...
分类:其他好文   时间:2018-05-20 14:17:30    阅读次数:243
HDU 3709 Balanced Number
标签(空格分隔): 数位DP "题目链接" 枚举作为枢纽的点,注意零的情况 cpp include include include using namespace std; typedef long long ll; ll read() { ll x=0,f=1;char ch=getchar(); ...
分类:其他好文   时间:2018-05-10 13:16:01    阅读次数:112
bzoj 1702: [Usaco2007 Mar]Gold Balanced Lineup 平衡的队列【hash】
我%&&……&()&%????? 双模hashWA,unsigned long longAC,而且必须判断hash出来的数不能为0???? 我可能学了假的hash 这个题求个前缀和,然后目标是找到距离当前位置最远,且能使这两个数组差分后2—k位相同 hash把差分后数组的2到k位压起来即可,用map ...
分类:其他好文   时间:2018-05-09 20:59:48    阅读次数:159
LeetCode解题报告——Convert Sorted List to Binary Search Tree & Populating Next Right Pointers in Each Node & Word Ladder
1. Convert Sorted List to Binary Search Tree Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced ...
分类:其他好文   时间:2018-04-23 15:41:49    阅读次数:161
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