题目 Petya has equal wooden bars of length n. He wants to make a frame for two equal doors. Each frame has two vertical (left and right) sides of length ...
分类:
其他好文 时间:
2020-11-30 16:00:25
阅读次数:
6
link /** * Definition for a binary tree node. * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x), left(NUL ...
分类:
其他好文 时间:
2020-11-27 11:14:59
阅读次数:
5
1、页面代码 <view class="right"> <picker mode="date" value="{{material.planToDate}}" bindchange="changeDate"> <input placeholder="请输入到货截止时间" name="planToDa ...
分类:
微信 时间:
2020-11-27 10:51:33
阅读次数:
25
/** * Definition for a binary tree node. * struct TreeNode { * int val; * struct TreeNode *left; * struct TreeNode *right; * }; */ /** * Return an arr ...
分类:
其他好文 时间:
2020-11-26 14:41:52
阅读次数:
8
准备工作 先来一段伪代码,首先你能看懂么? SELECT DISTINCT <select_list> FROM <left_table> <join_type> JOIN <right_table> ON <join_condition> WHERE <where_condition> GROUP ...
分类:
数据库 时间:
2020-11-24 12:33:32
阅读次数:
10
在二叉搜索树查找(请戳我)一文中主要介绍了二叉搜索树的查找,本文将继续介绍其插入和删除操作。二叉搜索树的插入和删除关键在于在插入和删除的过程中如何继续保持二叉搜索树的性质。二叉搜索树结点定义如下:typedefstructBSTreeNode{Typekey;//关键字(键值)structBSTreeNode*left;//左孩子structBSTreeNode*right;//右孩子struct
分类:
编程语言 时间:
2020-11-23 12:28:22
阅读次数:
8
SHA1 VS RSA: what's the difference between them? Fundamentally different. SHA1 is a hash algorithm, which is a one way function, turning an input of a ...
分类:
其他好文 时间:
2020-11-23 12:09:41
阅读次数:
4
env()和constant(),是IOS11新增特性,Webkit的css函数,用于设定安全区域与边界的距离,有4个预定义变量: safe-area-inset-left:安全区域距离左边边界的距离 safe-area-inset-right:安全区域距离右边边界的距离 safe-area-ins ...
分类:
Web程序 时间:
2020-11-20 12:07:27
阅读次数:
14
You are given a perfect binary tree where all leaves are on the same level, and every parent has two children. The binary tree has the following defin ...
分类:
其他好文 时间:
2020-11-20 12:00:39
阅读次数:
9
<el-form-item :prop="BeginDate" :rules="formContentRules.BeginDate" style="width:150px;float:left;margin-right:10px;"> <el-date-picker v-model="BeginD ...
分类:
其他好文 时间:
2020-11-17 12:31:26
阅读次数:
7