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CodeForces 1073F Choosing Two Paths
Description You are given an undirected unweighted tree consisting of $n$ vertices. An undirected tree is a connected undirected graph with $n?1$ edge ...
分类:其他好文   时间:2018-11-18 14:11:08    阅读次数:295
653. Two Sum IV - Input is a BST
1. Question: 653. Two Sum IV - Input is a BST url: https://leetcode.com/problems/two-sum-iv-input-is-a-bst/description/ Given a Binary Search Tree and ...
分类:其他好文   时间:2018-11-17 22:20:29    阅读次数:215
617. Merge Two Binary Trees
1. Quetions: 617. Merge Two Binary Trees url: https://leetcode.com/problems/merge-two-binary-trees/description/ Given two binary trees and imagine tha ...
分类:其他好文   时间:2018-11-17 19:12:08    阅读次数:107
leetcode 入门第一题 4ms? 8ms? Two Sum
今天开启leetcode 入门第一题 题意很简单,就是一个数组中求取两数之和等于目标数的一对儿下标 1.暴力 n^2 两个for循环遍历 用时0.1s 开外 代码就不用写了 2.二分 nlogn 我们可以遍历选择每一个元素 ,然后二分剩余(target - ai) (一)从全序列二分剩余 这就需要考 ...
分类:其他好文   时间:2018-11-17 14:37:02    阅读次数:193
matrix上的下楼梯问题
Description XiaoMi walks down stairs from two floors. There are hhss 0<h<20,0<s<200<h<20,0<s<20 How many schemes are there for downstairs? Input Two n ...
分类:其他好文   时间:2018-11-17 14:34:36    阅读次数:148
Uncommon Words from Two Sentences
https://leetcode.com/problems/uncommon-words-from-two-sentences We are given two sentences A and B. (A sentence is a string of space separated words. ...
分类:其他好文   时间:2018-11-17 10:26:49    阅读次数:91
【LeetCode】Add Two Numbers(两数相加)
这道题是LeetCode里的第2到题。 这道题的条件判断很简单,如下: 1.是否为尾节点 2.是否产生进位 3.是否等于9 4.是否需要拓展空间 代码如下: 运行结果 ? 个人总结:在设计算法初期,造成了许多代码的累赘,以上代码是经过优化后得到的。但是在这里两个if条件中还是会有代码的重复,但能够做 ...
分类:其他好文   时间:2018-11-16 23:29:51    阅读次数:206
解决启用 codemirror后,jquery获取不到textarea 的值
例子<textareaid="config"name="config"class="form-control"></textarea>window.editor_two=CodeMirror.fromTextArea(document.getElementById("config"),{lineNumbers:true,matchBrackets:true,styleAct
分类:Web程序   时间:2018-11-16 18:22:06    阅读次数:587
#leetcode-algorithms-4 Median of Two Sorted Arrays
leetcode algorithms 4 Median of Two Sorted Arrays There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two ...
分类:其他好文   时间:2018-11-16 18:20:43    阅读次数:148
python 复数的数学四则运算
print("Addition of two complex numbers : ",(4+3j)+(3-7j)) print("Subtraction of two complex numbers : ",(4+3j)-(3-7j)) print("Multiplication of two co... ...
分类:编程语言   时间:2018-11-15 22:34:49    阅读次数:251
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