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【leetcode】988. Smallest String Starting From Leaf
题目如下: Given the root of a binary tree, each node has a value from 0 to 25representing the letters 'a' to 'z': a value of 0 represents 'a', a value of  ...
分类:其他好文   时间:2019-02-06 15:52:32    阅读次数:192
#Leetcode# 373. Find K Pairs with Smallest Sums
https://leetcode.com/problems/find-k-pairs-with-smallest-sums/ You are given two integer arrays nums1 and nums2 sorted in ascending order and an integ ...
分类:其他好文   时间:2019-02-06 11:52:53    阅读次数:118
[Algorithm] Find Nth smallest value from Array
Q1: Find the smallest way from array: O(n), cannot be improved anymore, because we have to loop though the array once. Q2: Find 2nd smallest value, na ...
分类:其他好文   时间:2019-02-06 09:31:06    阅读次数:211
top sites to buy furnitures and cmd gummies
Taste the difference in Cali Beach Dreams CBD gummies. Using locally sourced hemp and organic ingredients, this cannabinoid-rich formula contains 225m ...
分类:其他好文   时间:2019-02-05 19:39:20    阅读次数:204
[LeetCode 988] Smallest String Starting From Leaf
Given the root of a binary tree, each node has a value from 0 to 25 representing the letters 'a' to 'z': a value of 0 represents 'a', a value of 1 rep ...
分类:其他好文   时间:2019-02-05 13:13:56    阅读次数:142
UVA - 11536 Smallest Sub-Array(尺取法)
题目: 思路: 读完题之后第一时间想到的是尺取法来做这个题,结果让自己写写崩了,还是练得少!! 到网上搜了一下学习了大佬的标记方法,用一个变量来判断是不是都已经出现,要比每次都判断一下快超多。 代码: ...
分类:其他好文   时间:2019-02-03 18:05:58    阅读次数:158
mysql count(*) vs count(1)
perfer count( ) 1. "官方文档" : _InnoDB handles SELECT COUNT( ) and SELECT COUNT(1) operations in the same way. There is no performance difference._ 2. 阿里 ...
分类:数据库   时间:2019-02-03 15:34:11    阅读次数:215
LC 988. Smallest String Starting From Leaf
Given the root of a binary tree, each node has a value from 0 to 25 representing the letters 'a' to 'z': a value of 0 represents 'a', a value of 1repr ...
分类:其他好文   时间:2019-02-03 14:11:35    阅读次数:195
LeetCode 908 Smallest Range I 解题报告
题目要求 Given an array A of integers, for each integer A[i] we may choose any x with -K <= x <= K, and add x to A[i]. After this process, we have some ar ...
分类:其他好文   时间:2019-02-03 10:42:23    阅读次数:195
集合set
集合set“”set是一个无序不重复元素集,基本功能包括关系测试和消除重复元素。set支持union(联合), intersection(交), difference(差)和sysmmetric difference(对称差集 )等数学运算。set支持x in set, len(set), for ...
分类:其他好文   时间:2019-02-02 23:20:27    阅读次数:206
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